PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3291Semiconductor Device,diode

St-Semicon Inc · NSN 5961-00-088-2673 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-088-2673 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-088-2673. Primary manufacturer part number: 1N3291.
Features
  • Semiconductor Device,diode — FSC 5961
  • Current Rating Per Characteristic: 2300.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Nominal Thread Size: 0.375 INCHES IN
  • Mounting Method: THREADED STUD(S)
  • Overall Diameter: 1.063 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Maximum Operating Temp Per Measurement Point: 130.0 CELSIUS CASE DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-088-2673, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is St-Semicon Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-088-2673
Primary Part Number1N3291
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSt-Semicon Inc
StatusACTIVE
Current Rating Per Characteristic2300.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Nominal Thread Size0.375 INCHES IN
Mounting MethodTHREADED STUD(S)
Overall Diameter1.063 INCHES MAXIMUM IN
Mounting Facility Quantity1
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM REVERSE VOLTAGE, PEAK
Maximum Operating Temp Per Measurement Point130.0 CELSIUS CASE DEGC
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-8
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG
Specification/standard Data80131-RELEASE3383 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-824-1486 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N3291 St-Semicon Inc (USA)
1N3291 General Electric Co Semi-Conductor Products Dept (USA)
1N3291 Infineon Technologies Americas Corp (USA)
1N3291 Westinghouse Electric Corp Semiconductor Div (USA)
1N3291 Electronic Industries Association
1N3291 Solid State Devices, Inc (USA)
1N3291 Edal Industries, Inc. Dba Edal Industries Inc (USA)
1N3291 Semitronics Corp (USA)
1N3291 Cooper Industries Inc Champion Aviation Products (USA)
Related Parts
5961-00-824-1486INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-088-2673?

NSN 5961-00-088-2673 is a Semiconductor Device,diode, manufactured by St-Semicon Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-088-2673?

NSN 5961-00-088-2673 has 9 cross-referenced part numbers: 1N3291 (St-Semicon Inc), 1N3291 (General Electric Co Semi-Conductor Products Dept), 1N3291 (Infineon Technologies Americas Corp), 1N3291 (Westinghouse Electric Corp Semiconductor Div), 1N3291 (Electronic Industries Association) and 4 more.

What NSN replaces 5961-00-088-2673?

There is 1 known substitute for 5961-00-088-2673: 5961-00-824-1486. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3291?

Key specifications for 1N3291: Current Rating Per Characteristic: 2300.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE; Nominal Thread Size: 0.375 INCHES IN; Mounting Method: THREADED STUD(S); Overall Diameter: 1.063 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com