IEC 61249-2-47:2018
Materials for printed boards and other interconnecting structures - Part 2-47: Reinforced base materials clad and unclad - Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 2,0 W/(m•K) and defined flammability (vertical burning test), copper-clad for lead-free assembly
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About This Item
IEC 61249-2-47:2018 defines requirements for reinforced base materials clad and unclad, specifically non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets with thermal conductivity of 2,0 W/(m•K) and defined flammability for copper-clad use in lead-free assembly. It is relevant when engineering teams, procurement specialists, and laboratories need a technical reference for material selection, documented evaluation, and conformity assessment of printed board base materials. IEC 61249-2-47:2018 supports consistent technical review of laminate properties where thermal management, flammability behavior, and assembly compatibility may affect product reliability.
Overview of IEC 61249-2-47:2018
This document forms part of the IEC 61249 series for materials used in printed boards and other interconnecting structures. Its scope is focused on a defined laminate material family rather than general board construction, making it useful for technical specification review and supplier qualification. The requirements are especially relevant where lead-free assembly processes, controlled thermal conductivity, and defined burning performance are part of the engineering specification. For quality workflows, it can serve as a compliance reference during material verification and product evaluation.
Compliance applications of IEC 61249-2-47:2018
Organizations may use IEC 61249-2-47:2018 during procurement review, incoming material acceptance, and laboratory evaluation of copper-clad laminate sheets for printed circuit applications. It is most useful where documentation must show that the selected base material aligns with performance criteria for thermal behavior and flammability. The reference can also support engineering documentation, supplier declarations, and testing workflows tied to conformity assessment preparation. In practice, it helps align technical validation with the material characteristics expected for lead-free assembly environments.
Importance of compliance with IEC 61249-2-47:2018
Compliance with IEC 61249-2-47:2018 helps reduce risk in material selection and supports more consistent verification activities across design, sourcing, and testing functions. For organizations handling printed board materials, it can improve operational consistency by defining a clearer technical basis for acceptance decisions and regulatory preparation. The document also supports safety-oriented review through defined flammability behavior, while the thermal conductivity requirement may be relevant to engineering validation. For procurement and conformity assessment teams, it provides a stable technical document for comparison and traceability.
- Reinforced base material specification for printed board applications
- Non-halogenated epoxide, E-glass reinforced laminate focus
- Thermal conductivity and flammability criteria for technical review
- Relevant to copper-clad materials intended for lead-free assembly
- Useful in supplier qualification, testing workflows, and conformity assessment
- Publication Date: 2018-10-01
- Standard Status: Original
- Publisher: IEC
- Edition: 1
- This Version: IEC 61249-2-47:2018 (2018-10-01)
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