Specification for solderable tin or tin-lead coated wires for component terminations
Specification for solderable tin or tin-lead coated wires for component terminations
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What is BS 4393 - Requirements for tin or tin-lead coated wires about?
BS 4393 specifies requirements for the solderability, mechanical properties, sampling, packaging and materials of manufacture for tin and tin-lead coated wire. BS 4393 applies to coated wire which is primarily intended for component leads in the electronics industry, where good solderability is the main criterion, and where the basis wire has a nominal diameter within the range 0.25 mm to 1.20 mm. A range of materials is specified for the basis wire. Details of information to be supplied by the purchaser are given in appendix A of BS 4393 . The coating thickness range, necessary to achieve good solderability, is specified. Test methods, particularly for use in cases of dispute, for the measur...
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