 |
|||
|
Page Title:
Interface and physical dimensions |
|
||
| ||||||||||
|
|  MIL-S-19500/37E
* 3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in
MIL-PRF-19500, and on figure 1 and figure 2.
3.4.1 Lead material and finish. Lead material shall be Kovar or Alloy 52. Lead finish shall be gold-plated. (Leads
may be tin-coated if specified in the contract or order, and this requirement shall not be construed as adversely
affecting the qualified product status of the device, or applicable JAN marking, see 6.2).
3.4.1.1 Selectivity of lead material. Where choice of lead material (see 3.4.1) is desired, it shall be specified in
the contract or order (see 6.2).
3.4.2 Terminal-lead length. Terminal-lead length(s) other than that specified in figure 1 may be furnished when so
stipulated under contract or order (see 6.2) where the devices covered herein are required directly for particular
equipment-circuit installation or for automatic-assembly-technique programs. Where other lead lengths are required
and provided, it shall not be construed as adversely affecting the qualified product status of the device, or applicable
JAN marking.
* 3.5 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance
characteristics are as specified in 1.3, 1.4, and tables I, II, and III.
* 3.6 Electrical test requirements. The electrical test requirements shall be group A as specified herein.
* 3.7 Marking. Marking shall be in accordance with MIL-PRF-19500. At the option of the manufacturer, the
following marking may be omitted from the body of the transistor.
a. Country of origin.
b. Manufacturer's identification.
* 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. Conformance inspection (see 4.3).
* 4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and as specified
in tables I, II, and III and herein.
* 4.3 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500 and as
specified in groups A, B, and C herein.
4.3.1 Group A inspection. Group A inspection shall consist of the inspections and tests specified in table I.
4.3.2 Group B inspection. Group B inspection shall consist of the inspections and tests specified in table II.
4.3.3 Group C inspection. Group C inspection shall consist of the inspections and tests specified in table III. This
inspection shall be conducted on the initial lot and thereafter every 6 months during production.
5
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals