Low voltage surge protective devices Specifications for avalanche breakdown diode (ABD)
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Standard number:
BS EN 61643-321:2002
Pages:
20
Released:
2002-03-21
ISBN:
0 580 39230 9
Status:
Standard
DESCRIPTION
BS EN 61643-321:2002
This standard BS EN 61643-321:2002 Low voltage surge protective devices is classified in these ICS categories:
29.120.50 Fuses and other overcurrent protection devices
31.080.10 Diodes
Is applicable to avalanche breakdown diodes (ABDs) which represent one type of surge protective device component (hereinafter referred to as SPDC) used in the design and construction of surge protective devices connected to low-voltage power distribution systems, transmission, and signalling networks. Test specifications in this standard are for single ABDs consisting of two terminals. However, multiple ABDs may be assembled within a single package defined as a diode array. Each diode within the array can be tested to this specification. This standard contains a series of test criteria for determining the electrical characteristics of the ABD. From the standard test methods described herein, the performance characteristics and ratings of the ABD can be verified or established for specific packaged designs.
