MIL-PRF-19500/448F
3. REQUIREMENTS
3.1 General. The individual item requirements shall be as specified in MIL-PRF-19500 and as modified herein.
3.2 Qualification. Devices furnished under this specification shall be products that are manufactured by a
manufacturer authorized by the qualifying activity for listing on the applicable qualified manufacturers list before
3.3 Abbreviations, symbols, and definitions. Abbreviations, symbols, and definitions used herein shall be as
specified in MIL-PRF-19500.
PCB
Printed circuit board
RθJA
Thermal resistance junction to ambient.
Thermal resistance junction to case.
RθJC
Thermal resistance junction to solder pads (adhesive mount to PCB).
RθJSP(AM)
Thermal resistance junction to solder pads (infinite sink mount to PCB).
RθJSP(IS)
3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in
3.4.1 Lead finish. Lead finish shall be solderable in accordance with MIL-PRF-19500, MIL-STD-750, and herein.
Where a choice of lead finish is desired, it shall be specified in the acquisition document (see 6.2).
3.5 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance
3.6 Electrical test requirements. The electrical test requirements shall be as specified in table I.
3.7 Marking. Marking shall be in accordance with MIL-PRF-19500. At the option of the manufacturer, marking
may be omitted from the body, but shall be retained on the initial container.
3.8 Workmanship. Semiconductor devices shall be processed in such a manner as to be uniform in quality and
shall be free from other defects that will affect life, serviceability, or appearance.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. Qualification inspection (see 4.2).
b. Screening (see 4.3).
c. Conformance inspection (see 4.4, and tables I and II).
4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and as
specified herein.
4.2.1 Group E qualification. Group E inspection shall be performed for qualification or re-qualification only. In
case qualification was awarded to a prior revision of the specification sheet that did not request the performance of
table II tests, the tests specified in table II herein that were not performed in the prior revision shall be performed on
the first inspection lot of this revision to maintain qualification.
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