1N4957

View detailed technical data, stock status, and sourcing information for: 1N4957
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5961 Semiconductor Devices and Associated Hardware

National Stock Number

5961-00-009-4485

Item Name Code

20589

Assigment Date

08/04/1972 (54 years ago)

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes:light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

0.140 inches minimum and 0.300 inches maximum overall length, 0.090 inches minimum and 0.145 inches maximum overall diameter, hermetically sealed case features provided, 0.900 inches minimum and 1.500 inches maximum terminal length, terminal mounting method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 0.140 inches minimum and 0.300 inches maximum
Terminal Length: 0.900 inches minimum and 1.500 inches maximum
Overall Diameter: 0.090 inches minimum and 0.145 inches maximum
Mounting Method: terminal
Features Provided: hermetically sealed case
Voltage Rating In Volts Per Characteristic: 9.6 maximum breakdown voltage, dc
Current Rating Per Characteristic: 520.00 milliamperes maximum maximum reverse surge current
Power Rating Per Characteristic: 5.0 watts maximum total power dissipation
Maximum Operating Temp Per Measurement Point: 175.0 celsius ambient air
Material: glass inclosure
Material: silicon semiconductor
Test Data Document: "81349-mil-s-19500 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Terminal Type And Quantity: 2 uninsulated wire lead
Specification/Standard Data: 81349-mil-s-19500/356 government specification

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
000-8005-689	Diode Semiconductor Device
1N4957	Diode Semiconductor Device
588103-1	Diode Semiconductor Device
JAN1N4957	Diode Semiconductor Device
JAN1N4957A	Diode Semiconductor Device

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5961-00-009-4485?

The FSCG of the NSN 5961-00-009-4485 is 5961

Does the NSN 5961-00-009-4485 have a Schedule B code assigned?

Yes, the Schedule B code is 8541100070

Does NSN 5961-00-009-4485 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5961-00-009-4485 contain precious materials?

Precious metal content is unknown

Does NSN 5961-00-009-4485 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5961-00-009-4485 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Aug 4, 1972