MIL-PRF-19500-127 Semiconductor Devices, Diode, Silicon, Voltage Regulator, Types 1N4370A 1 Through 1N4372A-1 And 1N746A-1 Through 1N759A-1, 1N4370Aur-1 Through 1N4372Aur-1 And 1N746Aur-1 Through 1N759Aur-1, 1N4370C-1 Through 1N4372C-1 And 1N746C-1 Through 1N759C-1, 1N4370Cur-1 Through 1N4372Cur 1 And 1N746Cur-1 Through 1N759Cur-1, 1N4370D-1 Through 1N4372D-1 And 1N746D-1 Through 1N759D-...This specification covers the performance requirements for 500 milliwatt, silicon, voltage regulator diodes with voltage tolerances of 5, 2, and 1 percent. Three levels of product assurance are provided for each encapsulated device type as specified in MIL-PRF-19500. Two levels of product assurance is provided for each unencapsulated device.

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MIL-PRF-19500/127W

TABLE III. Group B, C, and E delta requirements. 1/ 2/ 3/

MIL-STD-750

Limits

Step

Inspection

Symbol

Unit

Method

Conditions

Min

Max

C/W

ZJX

Thermal

3101

See 4.3.2

�10

impedance

percent

of initial

value

1/ The electrical measurements for table E-VIb of MIL-PRF-19500 are as follows:

Subgroup 2, see table III herein, step 1.

Subgroup 3, see table III herein, step 1.

2/ The electrical measurements for table E-VII of MIL-PRF-19500 are as follows:

Subgroup 2, see table III herein, step 1.

Subgroup 6, see table III herein, step 1.

3/ The electrical measurements for table E-IX of MIL-PRF-19500 are as follows:

Subgroup 1, see table III herein, step 1.

Subgroup 2, see table III herein, step 1.