MIL-PRF-19500/168K
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
contract award (see 4.2 and 6.3).
3.3 Abbreviations, symbols, and definitions. The abbreviations, symbols, and definitions used herein shall be as
specified in MIL-PRF-19500 and as follows:
VAA - Anode power supply voltage (dc).
3.4 Interface and physical dimensions. The interface and physical dimensions shall be as specified in
MIL-PRF-19500 and on figure 1 herein.
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).
3.4.2 Lead material. Where a choice of lead material is desired, it shall be specified in the acquisition document
(see 6.2).
3.4.3 Construction. These devices shall be constructed in a manner and using materials which enable the
thyristors to meet the applicable requirements of MIL-PRF-19500 and this document.
3.5 Marking. Marking shall be in accordance with MIL-PRF-19500.
3.6 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance
3.7 Electrical test requirements. The electrical test requirements shall be as specified in table I herein.
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).
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 require the performance of
table III tests, the tests specified in table III 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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