MIL-PRF-19500/424B
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 manufacturer's list (QML)
before contract award (see 4.2 and 6.3).
3.3 Abbreviations, symbols, and definitions. Abbreviations, symbols, and definitions used herein shall be as
specified in MIL-PRF-19500.
3.4 Interface and physical dimensions. The interface and physical dimensions shall be as specified in
MIL-PRF-19500 and on figure 1 (DO-41) herein.
3.4.2 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 contract or order (see 6.2).
3.4.3 Diode construction. All devices shall be in accordance with the requirements of MIL-PRF-19500 and herein.
3.5 Marking. Marking shall be in accordance with MIL-PRF-19500.
* 3.5.1 Polarity. The polarity of all types shall be indicated with a contrasting color band to denote the cathode end.
* 3.6 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance
characteristics are as specified in 1.3 and table I herein.
* 3.7 Electrical test requirements. The electrical test requirements shall be the subgroups 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).
c. Conformance inspection (see 4.4).
* 4.1.1 Sampling and inspection. Sampling and inspection shall be in accordance with MIL-PRF-19500 and herein.
* 4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and 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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