EIA/ECA 932-2006

$30.55

Surge Withstand Telecommunications Fuse Qualification Specification

Published By	Publication Date	Number of Pages
ECIA	2006	40

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Category: ECIA

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Description

Description

This specification defines the qualification program for surge
withstand telecommunication fuses. Fuses covered will be limited to
axial-leaded, radial-leaded and surface mount configurations having
a current rating of no greater than 60 A, maximum voltage rating of
600 VAC/DC and interrupting rating of 10,000 A maximum. The
qualification program is defined in table 1, and the How diagram.
Specification sheets can be added, as required, lo define specific
products or to cover unique / specific requirements. This document
does not relieve the suppliers Of their responsibility to maintain
their own company's internal qualification program and the fuses
shall continue to mew all applicable requirements of UL 248-14
CSA-C22.2 No. 248.14. Test procedures and requirements described in
this specification have been generated for a Type II fuse, unless
stated otherwise.

Three types of fuses are covered in this specification. They
include:

Type-I-The type 1 fuses is designed lo operate (open) within a
given time period at 200% overload. For a Type 1 fuse, the 200%
overload shall be substituted throughout this specification where
250% overload is noted. All other requirements shall continue to be
met.

Type II- The type II fuse is designed to operate (open) within a
given time period at 250% overload. The remainder of this
specification is written with the 250% overload test used as the
standard.

Type III – The type 111 fuse is designed lo operate (open)
within a given lime period at 300% overload. For a Type III fuse,
the 300% overload shall be substituted throughout this
specification where 250% overload is noted. All other requirements
shall continue to be met.

Preconditioning

This process is intended to simulate exposure to the thermal and
cleaning environments of the assembly process before qualification
testing The component assembly process simulation requirements for
different types of processes are described in annex A.

Additional information