MIL-PRF-19500/359K
3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in
MIL-PRF-19500, and on figure 1 herein. All devices shall be metallurgically bonded-thermally matched-noncavity-
double plug construction as defined in MIL-PRF-19500.
3.4.1 Diode construction. These devices shall be constructed utilizing non-cavity double plug construction with
high temperature metallurgical bonding between both sides of the silicon die and terminal pins. Metallurgical bond
shall be in accordance with the requirements of category I appendix A, MIL-PRF-19500. No point contacts. Silver
button dumet design is prohibited.
3.4.2 Lead finish. Lead finish shall be solderable in accordance with MIL-PRF-19500, and as specified herein.
Where a choice of lead finish is desired, it shall be specified in the acquisition document (see 6.2).
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 and tables I, II, and III).
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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