IEC 63251:2023 defines the thermal endurance test methods for reliability assessment of flexible opto-electric circuit boards. The purpose of this document is to accommodate the uniform thermal characteristics required by the flexible opto-electric circuit in high temperature environments such as automobiles. In particular, this document specifies a test method to inspect the occurrence of colour exchange, deformation and delamination of flexible opto-electric circuit boards under thermal stress.

  • Standard
    42 pages
    English and French language
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IEC 63215-2:2023 applies to the die attach materials and joining system applied to discrete type power electronic devices.
This document specifies the temperature cycling test method which takes into account the actual usage conditions of discrete type power electronic devices to evaluate reliability of the die attach joint materials and joining system, and establishes a classification level for joining reliability (reliability performance index).
The test method specified in this document is not intended to evaluate power semiconductor devices themselves.
The test method specified in this document is not regarded as the one for use to guarantee the reliability of the power semiconductor device packages.
NOTE The test result obtained using this document will not be used as absolute quantitative data, but for intercomparison with the other die attach materials results using the same setup.

  • Standard
    46 pages
    English and French language
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IEC 63501-2416:2023 describes a parameterized and abstracted power model enabling system, software, and hardware intellectual property (IP)-centric power analysis and optimization. It defines concepts for the development of parameterized, accurate, efficient, and complete power models for systems and hardware IP blocks usable for system power analysis and optimization. These concepts include, but are not limited to, process, voltage, and temperature (PVT) independence; power and thermal management interface; and workload and architecture parameterization. This standard also defines the necessary requirements for the information content of parameterized, accurate, efficient, and complete power models to help guide development and usage of other related power, workload, and functional modeling standards. This standard is published as a double logo IEC-IEEE standard.

  • Standard
    62 pages
    English language
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IEC 63504-2804:2023 defines an architecture description standard from the software design perspective - this provides a common interface that abstracts the hardware properties that are critical to enable multicore tools. The standard includes performance estimation accuracy for complex processors like Very Long Instruction Word (VLIW) core and complex contention scenarios, description of caches to include uncached memory regions and caches for subsets of memories, properties for coarse power consumption estimation, and reusability by separating eXtensible Markup Language (XML) files for processor description and other memory/communication-related information. This is an IEC/IEEE dual logo standard.

  • Standard
    83 pages
    English language
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IEC 61691-1-1:2023 defines the syntax and semantics of the VHSIC Hardware Description Language (VHDL). The acronym VHSIC (Very High Speed Integrated Circuits) in the language’s name comes from the U.S. government program that funded early work on the standard. This is an IEC/IEEE dual logo standard.

  • Standard
    672 pages
    English language
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IEC 61523-4:2023 defines the syntax and semantics of a format used to express power intent in energy-aware electronic system design. Power intent includes the concepts and information required for specification and validation, implementation and verification, and modeling and analysis of power-managed electronic systems. This standard also defines the relationship between the power intent captured in this format and design intent captured via other formats (e.g., standard hardware description languages and cell libraries). This is an IEC/IEEE dual logo standard.
The contents of the corrigendum 1 (2024-02) have been included in this copy.

  • Standard
    547 pages
    English language
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IEC 63055:2023 defines a common interoperable format that will be used for the design of a) large-scale integration (LSI), b) packages for such LSI, and c) printed circuit boards on which the packaged LSIs are interconnected. Collectively, such designs are referred to as LSI-Package-Board (LPB) designs. The format provides a common way to specify information/data about the project management, netlists, components, design rules, and geometries used in LPB designs. This is an IEC/IEEE dual logo standard.

  • Standard
    292 pages
    English language
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IEC 61523-1:2023 focuses on delay and power calculation for integrated circuit design with support for modeling logical behavior and signal integrity.
The standard specifications covered in this document are as follows:
- Description language for timing and power modeling, called the “delay calculation language” (DCL)
- Software procedural interface (PI) for communications between EDA applications and compiled libraries of DCL descriptions
- Standard file exchange format for parasitic information about the chip design: Standard Parasitic Exchange Format (SPEF)
- Informative usage examples
- Informative notes.
This is an IEC/IEEE dual logo standard.

  • Standard
    640 pages
    English language
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IEC 62530-2:2023 establishes the Universal Verification Methodology (UVM), a set of application programming interfaces (APIs) that defines a base class library (BCL) definition used to develop modular, scalable, and reusable components for functional verification environments. The APIs and BCL are based on the IEEE standard for SystemVerilog, IEEE Std 1800™.1. This is an IEC/IEEE dual logo standard.

  • Standard
    457 pages
    English language
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IEC 61189-2-804:2023 specifies a test method to determine the time to delamination of base materials and printed boards using a thermomechanical analyser (TMA). Temperatures used for this evaluation are typically 260 °C, 288 °C and 300 °C, but are not limited to these values.

  • Standard
    16 pages
    English and French language
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IEC 61189-2-801:2023 defines a test method to be followed for thermal performance via carbon ink heating. The method employs a screened-on pattern of carbon ink used to determine the thermal performance of a dielectric layer on a metal base plate.

  • Standard
    21 pages
    English and French language
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IEC 61189-2-803:2023 specifies a test method to determine the Z-axis expansion of base materials and printed boards using a thermomechanical analyser (TMA).

  • Standard
    16 pages
    English and French language
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IEC 61249-6-3:2023 covers finished fabrics woven from ‘‘E’’ glass electrical grade glass fibre yarns that are intended as a reinforcing material in laminated plastics for electrical and electronic use. All fabrics covered by this specification are plain weave.
This specification determines the nomenclature, definitions, general and chemical requirements for the glass, and physical requirements for finished woven glass fibre fabrics.
Annex A of this document provides a style designator for each finished fabric glass style, with specifications on yarn, fabric count, thickness and weight in both SI and US system.
This standard cancels and replaces IEC/PAS 61249-6-3 published in 2011. This edition constitutes a technical revision.

  • Standard
    42 pages
    English and French language
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IEC TR 61191-9:2023, which is a Technical Report, applies to electronic and electromechanical automotive circuit board assemblies and describes current best practices for dealing with electrochemical reactions like migration or corrosion and ionic contamination on the surface of a circuit board as one failure mode under humidity load. This document deals with the evaluation of materials and manufacturing processes for the manufacturing of electronic assemblies with focus on their reliability under humidity loads. The electrical operation of a device in a humid environment can trigger electrochemical reactions that can lead to short circuits and malfunctions on the assembly. In this context, a large number of terms and methods are mentioned, such as CAF (conductive anodic filament), anodic migration phenomena, dendrite growth, cathodic migration, ROSE (resistivity of solvent extract), ionic contamination, SIR (surface insulation resistance), impedance spectroscopy, etc., which are used and interpreted differently. The aim of the document is to achieve a uniform use of language and to list the possibilities and limitations of common measurement methods. The focus of the document is on the error pattern of electrochemical migration on the surface of assemblies with cathodic formation of dendrites.
Evaluation of different test methods of control units under high humidity load are not part of this document.

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    72 pages
    English language
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IEC 61249-2-51:2023 specifies the construction, materials, property requirements, quality assurance, packaging, marking, storage of base materials for integrated circuit card carrier tape, unclad (hereinafter referred to as IC carrier tape base materials).
This document is applicable to IC carrier tape base materials, which is a glue-coated material, one side is woven E-glass reinforced epoxy underlayer, and the other side is coated with adhesive and protected by release film.

  • Standard
    33 pages
    English and French language
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IEC 61636-2:2023 (E) provides the definition of an exchange format, utilizing XML, for exchanging maintenance action information (MAI) associated with the removal, repair, and replacement of system components to maintain/support an operational system. This standard is published as a double log IEC-IEEE standard.

  • Standard
    25 pages
    English language
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IEC 62496-2-5:2022 defines a test method for folding flexibility inspection of flexible opto-electric circuits with a flexibility tester endurance tester and presents a guideline for a step stress test method for finding the predetermined minimum mechanical folding radii below which the flexible opto-electric circuits can be damaged by intended folding distortion. Here, test samples are used instead of products for the flexibility test of their flexible opto-electric circuits, and the test samples have the same material, layer structure, processing technology and equipment as the products.

  • Standard
    41 pages
    English and French language
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IEC TR 60068-3-12:2022(E) which is a Technical Report, describes the creation of temperature-time profiles (in specific envelope profiles) for reflow soldering of electronic assemblies, considering tolerances resulting from the accuracy of the measuring equipment, preparation method and specifications of the manufacturers of components, circuit boards, solder paste, etc.).
This edition includes the following significant technical changes with respect to the previous edition: a) Extended purpose Guidance is added on how to create a reflow profile considering the tolerances resulting from the accuracy of the measuring equipment, preparation method and specifications of the component manufacturers (components, PCB, solder paste, etc.). b) Distinction from existing standards The envelope profile given in this document does not represent a temperature-time profile for the qualification of materials but defines the reflow process limits for the soldering of electronic assemblies.
The schematic temperature-time-limit curves of the envelope profile are derived from generally valid findings (literature data). Additionally, tolerance considerations are given for all envelope points of the envelope profile.
In contrast to IEC TR 60068-3-12:2014, the creation of the envelope profile is not primarily linked to a concrete example. c) Subclause 8.2 presents an approach for establishing a possible temperature profile for a lead-free reflow soldering process using SnAgCu solder paste that is taken from IEC TR 60068-3-12:2014. d) Synergies with existing standards Limit values and tolerances from standards and guidelines for the qualification of materials are included in this document and are listed as examples in the references.

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    34 pages
    English language
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IEC PAS 61191-10:2022(E) provides guidelines which deal with the requirements for the protective coating,
its properties, as well as the application of liquid coating materials for electronic assemblies. These guidelines help control in practice the application of protective coatings from the layout to the functional test of the assembly after coating.

  • Technical specification
    209 pages
    English language
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IEC TR 61760-3-1:2022(E) supplements IEC 61760-3 to describe examples of solder paste supply methods, the relationship between the terminal position tolerance and the through hole diameter, and provides guidelines for the design of printed circuit boards with solder paste surface printing method, including specific examples.

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    26 pages
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IEC TR 62878-2-9:2022(E) comprises the long-term discussion among Jisso International Council (JIC) members during 1999 and 2005, when the interim agreement among all JIC members about the “concept of Jisso” as well as the “Jisso product level” for the common understanding on IEC TC 91 (electronic assembly technology) activities was reached. Further discussion on “Jisso Product Level” could be needed among the current JIC members to finalize it in the near future based on this technical report.

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    15 pages
    English language
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IEC 61189-2-501:2022 establishes a method suitable for testing the softness of FCCL (Flexible Copper Clad Laminate) products and related materials. This method determines the resilience under specified conditions. The test is performed on the sample as manufactured and without conditioning. The test does not apply to the resilience force lower than 10 mN.

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    32 pages
    English and French language
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IEC 61189-2-807:2021 specifies a test method to determine the decomposition temperature (Td) of base laminate materials using thermogravimetric analysis (TGA).

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    17 pages
    English and French language
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IEC 62530:2021(E) provides the definition of the language syntax and semantics for the IEEE 1800™ SystemVerilog language, which is a unified hardware design, specification, and verification language. The standard includes support for behavioral, register transfer level (RTL), and gate-level hardware descriptions; testbench, coverage, assertion, object-oriented, and constrained random constructs; and also provides application programming interfaces (APIs) to foreign programming languages.
This edition corrects errors and clarifies aspects of the language definition in IEEE Std 1800-2012.1 This revision also provides enhanced features that ease design, improve verification, and enhance cross-language interactions.
This publication has the status of a double logo IEEE/IEC standard.

  • Standard
    1315 pages
    English language
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IEC 62530-2:2021(E) establishes the Universal Verification Methodology (UVM), a set of application programming
interfaces (APIs) that defines a base class library (BCL) definition used to develop modular, scalable, and reusable components for functional verification environments. The APIs and BCL are based on the IEEE standard for SystemVerilog, IEEE Std 1800™. This publication has the status of a double logo IEC/IEEE standard.

  • Standard
    471 pages
    English language
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IEC 61691-8:2021(E) defines the Analog/Mixed-Signal extensions for SystemC®, as an ANSI standard C++ class
library based on SystemC for system and hardware design including analog/mixed-signal elements. The general purpose of the SystemC AMS extensions is to provide a C++ standard for designers and architects, who need to address complex heterogeneous systems that are a hybrid between hardware and software. This standard is built on the IEEE Std 1666™-2011 (SystemC Language Reference Manual) and extends it to create analog/mixed-signal, multi-disciplinary models to simulate continuous-time, discrete-time, and discrete-event behavior simultaneously.
This standard is published as a double logo IEC-IEEE standard.

  • Standard
    221 pages
    English language
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IEC 61760-2:2021 is available as IEC 61760-2:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61760-2:2021 specifies the transportation and storage conditions for surface mounting devices (SMDs) that are fulfilled in order to enable trouble-free processing of surface mounting devices, both active and passive. (Conditions for printed boards are not taken into consideration.)
The object of this document is to ensure that users of SMDs receive and store products that can be further processed (e.g. positioned, soldered) without prejudice to quality and reliability. Improper transportation and storage of SMDs can cause deterioration and result in assembly problems such as poor solderability, delamination and "popcorning". Cross-references for references from this edition 3 to the previous edition 2 of this document are listed in Annex X of this document.

  • Standard
    29 pages
    English and French language
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IEC 60068-2-21:2021 is applicable to all electrical and electronic components whose terminations or integral mounting devices are liable to be submitted to stresses during normal assembly or handling operations and is also applicable to surface mount devices (SMDs).
This seventh edition cancels and replaces the sixth edition, published in 2006, and IEC 60068‑2‑77:1999. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:  
integration of parts of IEC 60068-2-77 (see Annex X); IEC 60068-2-77 is withdrawn with the publication of this document;
Annex X is added to show the correlation of the clauses and subclauses in this edition of IEC 60068-2-21 with the clauses in IEC 60068-2-21:2006 and IEC 60068-2-77:1999.

  • Standard
    86 pages
    English and French language
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IEC TR 62878-2-8:2021(E) describes a warpage control of active device embedded substrate along with parameters for determining warpage, which are useful during package assembly. Warpage results are explained using warpage driving force, resistance and neutral axis, for typical die embedded substrate, where the discrete active dies are placed in the core of substrate and interconnected to the substrate by direct Cu bonding. The same principles are applicable in other device embedded substrates. Even though the detailed structure of other device embedded substrates might be different, the origin and determination of the parameters of warpage are the same and thus the purpose of this report is to help engineers improve the warpage behaviours of their products by applying this principle.

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    14 pages
    English language
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IEC 62878-2-602:2021 specifies the requirements and evaluation methods of electrical connectivity. It is applicable to stacked electronic modules.

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    24 pages
    English and French language
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IEC 61636:2021 (E) is an implementation-independent specification for a software interface to information systems containing data pertinent to the diagnosis and maintenance of complex systems consisting of hardware, software, or any combination thereof. These interfaces support service definitions for creating application programming interfaces (API) for the access, exchange, and analysis of historical diagnostic and maintenance information. This standard is published as a double logo IEC-IEEE standard.

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    45 pages
    English language
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IEC 61691-6:2021(E) defines IEC 61691-6/IEEE Std 1076.1 language, a hardware description language for the description and the simulation of analog, digital, and mixed-signal systems. The language, also informally known as VHDL-AMS, is built on the IEC 61691-1-1/IEEE 1076 (VHDL) language and extends it to provide capabilities of writing and simulating analog and mixed-signal models. This standard is published as a double logo IEC-IEEE standard.

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    671 pages
    English language
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IEC 61636-1:2021 (E) provides the definition of an exchange format, utilizing XML, for exchanging data resulting from executing tests of a unit under test (UUT) via a test program in an automatic test environment. This standard is published as a double logo IEC-IEEE standard.

  • Standard
    34 pages
    English language
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IEC 60068-2-20:2021 is available as IEC 60068-2-20:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60068-2-20:2021 outlines Tests Ta and Tb, applicable to devices with leads and leads themselves. Soldering tests for surface mounting devices (SMD) are described in IEC 60068-2-58. This document provides procedures for determining the solderability and resistance to soldering heat of devices in applications using solder alloys, which are eutectic or near eutectic tin lead (Pb), or lead-free alloys. The procedures in this document include the solder bath method and soldering iron method. The objective of this document is to ensure that component lead or termination solderability meets the applicable solder joint requirements of IEC 61191-3 and IEC 61191-4. In addition, test methods are provided to ensure that the component body can be resistant to the heat load to which it is exposed during soldering. This edition includes the following significant technical changes with respect to the previous edition:
- update of and clarification of pre-conditioning (former "aging") and its relation to natural aging.

  • Standard
    42 pages
    English and French language
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IEC TR 61191-8:2021(E) gives guidelines for dealing with voiding in surface-mount solder joints of printed board assemblies for use in automotive electronics. This technical report focuses exclusively on voids in solder joints connecting packaged electronic or electromechanical components with printed boards (PBs). Voids in other solder joints (e.g. in a joint between a silicon die and a substrate within an electronic component, solder joints of through-hole components, etc.) are not considered. The technical background for the occurrence of voids in solder joints, the potential impact of voiding on printed board assembly reliability and functionality, the investigation of voiding levels in sample- and series-production by use of X‑ray inspection as well as typical voiding levels in different types of solder joints are discussed. Recommendations for the control of voiding in series production are also given. Annex A collects typical voiding levels of components and recommendations for acceptability.

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    34 pages
    English language
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IEC 61189-5-301:2021 specifies methods for testing the characteristics of soldering paste using fine solder particles (hereinafter referred to as solder paste).
This document is applicable to the solder paste using fine solder particle such as type 6, type 7 specified in IEC 61190-1-2 or finer particle sizes.
This type of solder paste is used for connecting wiring and components in high-density printed circuit boards which are used in electronic or communication equipment and such, equipping fine wiring (e.g., minimum conductor widths and minimum conductor gaps of 60 µm or less).
Test methods for the characteristics of solder paste in this document are considering the effect of surface activation force due to the fine sized solder particles which could affect the test result by existing test methods.

  • Standard
    64 pages
    English and French language
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IEC 61188-6-1:2021 specifies the requirements for soldering surfaces on circuit boards. This includes lands and land pattern for surface mounted components and also solderable hole configurations for through-hole mounted components. These requirements are based on the solder joint requirements of the IEC 61191-1, IEC 61191-2, IEC 61191-3 and IEC 61191-4.

  • Standard
    63 pages
    English and French language
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IEC 60194-1:2021 covers terms and definitions closely related with TC91 technology.
This document, together with IEC 60194-2:2017, cancel and replace IEC 60194:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
1) exclusion of 32 general terms better served by other TCs;
2) exclusion of 47 terms no longer used by the electronic assembly industry;
3) inclusion of 14 new terms related with device embedded substrate technology;
4) inclusion of 113 synonymous terms;
5) removal of identification codes for terms and annexes.

  • Standard
    403 pages
    English and French language
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IEC 61188-6-2:2021 describes the requirements of design and use for soldering surfaces of land pattern on circuit boards. This document includes land pattern for surface mounted components. These requirements are based on the solder joint requirements of IEC 61191‑2:2017.

  • Standard
    49 pages
    English and French language
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IEC 61760-3:2021 gives a reference set of requirements, process conditions and related test conditions to be used when compiling specifications of electronic components that are intended for usage in through-hole reflow soldering technology.
The object of this document is to ensure that components with leads intended for through-hole reflow and surface mounting components can be subjected to the same placement and mounting processes. Hereto, this document defines test and requirements that need to be part of any component generic, sectional or detail specification, when through-hole reflow soldering is intended.
Furthermore, this document provides component users and manufacturers with a reference set of typical process conditions used in through-hole reflow soldering technology.
This edition includes the following significant technical changes with respect to the previous edition:
a) change position tolerance requirement (0,4 mm maximum to between 0,2 mm and 0,4 mm);
b) introduce through-hole vacant method as a solder paste supply method.

  • Standard
    57 pages
    English and French language
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IEC 61189-5-601:2021 specifies the reflow soldering ability test method for components mounted on organic rigid printed boards, the reflow heat resistance test method for organic rigid printed boards, and the reflow soldering ability test method for the lands of organic rigid printed boards in applications using solder alloys, which are eutectic or near-eutectic tin-lead (Pb), or lead-free alloys.
The printed boards materials for this organic rigid printed boards are epoxide woven E-glass laminated sheets that are specified in IEC 61249-2 (all parts).
The objective of this document is to ensure the soldering ability of the solder joint and of the lands of the printed boards. In addition, test methods are provided to ensure that the printed boards can resist the heat load to which they are exposed during soldering.

  • Standard
    80 pages
    English and French language
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IEC 61189-5-502:2021 is used for evaluating the changes to the surface insulation resistance of a pre-selected material set on a representative test coupon and quantifies the deleterious effects of improperly used materials and processes that can lead to decreases in electrical resistance.

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    45 pages
    English and French language
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IEC 61189-5-501:2021 is used to quantify the deleterious effects of flux residues on surface insulation resistance (SIR) in the presence of moisture.

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    37 pages
    English and French language
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IEC TR 61188-8:2021(E) describes the configuration of part shape data of semiconductor devices and electrical components registered in the CAD library. This document mainly describes the configuration of 2D and 3D parts shape data.

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    17 pages
    English language
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IEC 61760-1:2020 defines requirements for component specifications of electronic components that are intended for usage in surface mounting technology. To this end, it specifies a reference set of process conditions and related test conditions to be considered when compiling component specifications.
The objective of this document is to ensure that a wide variety of SMDs can be subjected to the same placement, mounting and subsequent processes (e.g. cleaning, inspection) during assembly. This document defines tests and requirements that need to be part of any SMD component's general, sectional or detail specification. In addition, this document provides component users and manufacturers with a reference set of typical process conditions used in surface mounting technology.
Some of the requirements for component specifications in this document are also applicable to components with leads intended for mounting on a circuit board. Cases for which this is appropriate are indicated in the relevant subclauses.
This edition includes the following significant technical changes with respect to the previous edition:
a) inclusion of additional mounting methods: conductive glue bonding, sintering and solderless interconnection.

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    87 pages
    English and French language
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IEC 61189-5-504:2020 is a test method designed to determine the proportion of soluble ionic residues present upon a circuit board, electronic component or assembly. The conductivity of the solution used to dissolve the ionic residues is measured to evaluate the level of ionic residues.

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    49 pages
    English and French language
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IEC TR 61191-7:2020(E) serves as a Technical Report and provides information, how technical cleanliness can be assessed within the electronics assembly industry. Technical cleanliness concerns sources, analysis, reduction and control as well as associated risks of particulate matter, so-called foreign-object debris, on components and electronic assemblies in the electronics industry.

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    115 pages
    English language
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IEC 62878-1:2019 specifies the generic requirements and test methods for device-embedded substrates. The basic test methods for printed board substrate materials and substrates themselves are specified in IEC 61189-3.
This part of IEC 62878 is applicable to device-embedded substrates fabricated by use of organic base material, which includes, for example, active or passive devices, discrete components formed in the fabrication process of electronic printed boards, and sheet-formed components.
The IEC 62878 series applies neither to the re-distribution layer (RDL) nor to electronic modules defined in IEC 62421.

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    38 pages
    English and French language
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IEC 62878-2-5:2019 specifies requirements based on XML schema that represents a design data format for device embedded substrate, which is a board comprising embedded active and passive devices whose electrical connections are made by means of a via, electroplating, conductive paste or printing of conductive material.
This data format is to be used for simulation (e.g. stress, thermal, EMC), tooling, manufacturing, assembly, and inspection requirements. Furthermore, the data format is used for transferring information among printed board designers, printed board simulation engineer, manufacturers, and assemblers.
IEC 62878-2-5:2019 applies to substrates using organic material. It neither applies to the re-distribution layer (RDL) nor to the electronic modules defined as M-type business model in IEC 62421.

  • Standard
    112 pages
    English and French language
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IEC TR 61189-5-506:2019(E) is an intercomparison supporting the development of IEC 61189-5-501 in relation to the SIR method. This document sets out to validate the introduction of a new 200-µm gap SIR pattern, and was benched marked against existing SIR gap patterns of 318 µm and 500 µm.

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    23 pages
    English language
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