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December 2002

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Subject:
Thermal Shock formula
From:
Larry Russell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 11 Dec 2002 15:40:33 +0800
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We have a question about the Delta R% formula for themal Shock testing.
Is before value subtracted from after value, or the reverse?
The only difference in the final value is the sign, but what is the standard?
AV in Ohms - BV in Ohms /BV x 100% = Delta R; is this correct?
 
Thanks from QA Dept.

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