EIA RS-186-11-E-1978

$20.15

Passive Electronic Component Parts, Test Methods for; Method 11: Thermal Shock in Air

Published By	Publication Date	Number of Pages
ECIA	1978	5

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Category: ECIA

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Description

PURPOSE

This test is conducted for the purpose of determining the
resistance of a component part to exposures at ! extremes of high
and low temperatures in air, and to the shock of alternate
exposures to these extremes. Permanent changes in operating
characteristics and physical damage produced during thermal shock
result principally from variations in dimensions and other physical
properties. Effects of thermal shock include cracking and
delamination of finishes, cracking and crazing of embedding and
encapsulating compounds, opening of terminal seals and case seams,
leakage of filling materials, and change in electrical
characteristics- due to mechanical displacement or rupture of
conductors or of insulating materials.