R40502

View detailed technical data, stock status, and sourcing information for: R40502
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5961 Semiconductor Devices and Associated Hardware

National Stock Number

5961-00-148-3787

Item Name Code

20589

Assigment Date

10/06/1971 (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.

1 mounting facility quantity, hermetically sealed case features provided, threaded stud mounting method, 0.450 inches maximum overall length, 0.668 inches minimum and 0.678 inches maximum overall width across flats

Product Characteristics

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

Overall Length: 0.450 inches maximum
Mounting Facility Quantity: 1
Mounting Method: threaded stud
Features Provided: hermetically sealed case
Overall Width Across Flats: 0.668 inches minimum and 0.678 inches maximum
Nominal Thread Size: 0.250 inches
Voltage Rating In Volts Per Characteristic: 200.0 maximum forward voltage, peak
Current Rating Per Characteristic: 40.00 amperes maximum forward current, average
Material: silicon semiconductor
Thread Series Designator: unf
Terminal Type And Quantity: 1 screw and 1 tab, solder lug

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
0557-AE	Diode Semiconductor Device
1544204-2	Diode Semiconductor Device
R40502	Diode Semiconductor Device

FAQs

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

What is the FSCG of the NSN 5961-00-148-3787?

The FSCG of the NSN 5961-00-148-3787 is 5961

Does the NSN 5961-00-148-3787 have a Schedule B code assigned?

Yes, the Schedule B code is 8541100070

Does NSN 5961-00-148-3787 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 5961-00-148-3787 contain precious materials?

Precious metal content is unknown

Does NSN 5961-00-148-3787 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 5961-00-148-3787 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Oct 6, 1971