MIL-PRF-38535K
APPENDIX F
F.4.7.4.1 Highly accelerated stress testing (HAST). HAST shall be performed in accordance with J-STD-020, and
shall be performed using a sample size number (accept number) of 15(0) for 50 hours at +130°C at 85 percent
relative humidity and a voltage bias applied. As an option, 85/85 testing in accordance with JESD22-A101 shall be
performed using 15(0) sample size (accept number) for 1,000 hours.
F.4.7.4.2 Post-test visual examinations. Post-test visual examinations shall be performed in accordance with
F.4.6.6 of this appendix.
F.4.8 Major changes. Major changes shall be as set forth in MIL-PRF-38535 as applicable. In addition, the
following shall be considered as a major change:
a. Any change to baselined items in this appendix.
b. Bond characterization parameters.
L > W
FIGURE F-1. Lead contact length.
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