JIS C 60695-1-2:1993 English Edition

Fire hazard testing Part 1: Guidance for the preparation of requirements and test specifications for assessing fire hazard of electerotechnical products Guidance for electronic components

Abstract

Fire hazard testing of electronic components is influenced by the following: Electronic components are made of heterogeneous materials in relatively small amounts arranged in such a complex construction that synergistic effects may be various and are generally unforeseeable. Functioning of electronic components implies a supply of electrical energy; in normal operation heat dissipation is generally small but sparks may be produced (e.g. by relays). However, when operated under faulty or abnormal conditions, a large amount of energy may be liberated as heat. Electronic components of various kinds are generally associated into equipments in quite a large number and for various purposes, so that each type of component has to perform in a wide range of situations and a typical situation can therefore not be defined. Only in exceptional cases where some components may be particularly dangerous or endangered with regard to fire hazard a study of the actual situation may be useful and specified requirements may be necessary.

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