U291

View detailed technical data, stock status, and sourcing information for: U291
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5961 Semiconductor Devices and Associated Hardware

National Stock Number

5961-01-330-5435

Item Name Code

20588

Assigment Date

12/05/1990 (35 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.

0.115 inches minimum and 0.150 inches maximum overall length, 0.209 inches minimum and 0.230 inches maximum overall diameter, unable to decode inclosure material, field effect internal configuration, 0.500 inches minimum terminal length

Product Characteristics

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

Inclosure Material: unable to decode
Overall Length: 0.115 inches minimum and 0.150 inches maximum
Terminal Length: 0.500 inches minimum
Overall Diameter: 0.209 inches minimum and 0.230 inches maximum
Internal Configuration: field effect
Joint Electronic Device Engineering Council/Jedec/Case Outline Designation: to-52
Mounting Method: terminal
Terminal Circle Diameter: 0.100 inches nominal
Features Provided: hermetically sealed case and electrostatic sensitive
Semiconductor Material: silicon
Voltage Rating In Volts Per Characteristic: -30.0 maximum gate to source voltage
Current Rating Per Characteristic: 1.50 amperes maximum drain current and 100.00 milliamperes maximum gate current
Power Rating Per Characteristic: 500.0 milliwatts maximum total device dissipation
Maximum Operating Temp Per Measurement Point: 125.0 celsius ambient air
Terminal Type And Quantity: 3 uninsulated wire lead

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5961-01-208-3503	No Name Available	06/01/2007
5961-01-273-8017	No Name Available	08/01/2007

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
8256289-491	Transistor
FN5288	Transistor
U291	Transistor
U291-Q8B	Transistor

FAQs

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

What is the FSCG of the NSN 5961-01-330-5435?

The FSCG of the NSN 5961-01-330-5435 is 5961

Does the NSN 5961-01-330-5435 have a Schedule B code assigned?

Yes, the Schedule B code is 8541500080

Does NSN 5961-01-330-5435 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 5961-01-330-5435 contain precious materials?

Item does not contain precious metal.

Does NSN 5961-01-330-5435 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 5961-01-330-5435 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Dec 5, 1990