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

Dimensions

Inches

Millimeters

Symbol

Notes

Min

Max

Min

Max

.055

.090

1.40

2.29

.120

.200

3.05

5.08

.018

.023

0.46

0.58

1.000

1.500

25.40

38.10

.050

1.27

NOTES:

1. Dimensions are in inches.

2. Millimeters are given for general information only.

3. Dimension BD shall be measured at the largest diameter.

4. The BL dimension shall include the entire body including slugs.

5. Dimension LU shall include the sections of the lead over which the diameter is uncontrolled. This uncontrolled

area is defined as the zone between the edge of the diode body and extending .050 inch (1.27 mm) onto the

leads.

6. In accordance with ASME Y14.5M, diameters are equivalent to x symbology.

FIGURE 1. Physical dimensions for types 1N4370A-1 through 1N4372A-1, 1N4370C-1 through 1N4372C-1,

1N4370D-1 through 1N4372D-1, 1N746A-1 through 1N759A-1, 1N746C-1 through 1N759C-1,

and 1N746D-1 through 1N759D-1 (DO-35).