PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3263RSemiconductor Device,diode

Westinghouse Electric Corp Semiconductor Div · NSN 5961-01-029-6624 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-029-6624 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-029-6624. Primary manufacturer part number: 1N3263R.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG
  • Material: SILICON SEMICONDUCTOR
  • Thread Series Designator: UNF
  • Mounting Facility Quantity: 1
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Nominal Thread Size: 0.750 INCHES IN
  • Specification/standard Data: 80131-RELEASE3277 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
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 5961-01-029-6624, 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 Westinghouse Electric Corp Semiconductor Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5961-01-029-6624
Primary Part Number1N3263R
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp Semiconductor Div
StatusACTIVE
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
MaterialSILICON SEMICONDUCTOR
Thread Series DesignatorUNF
Mounting Facility Quantity1
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Nominal Thread Size0.750 INCHES IN
Specification/standard Data80131-RELEASE3277 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Overall Width Across Flats1.212 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S)
Maximum Operating Temp Per Measurement Point190.0 CELSIUS CASE DEGC
Current Rating Per Characteristic160.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-105-9683 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N3263R Westinghouse Electric Corp Semiconductor Div (USA)
1N3263R Powerex, Inc. (USA)
1N3263R Electronic Industries Association
RELEASE3277 Electronic Industries Association
Related Parts
5961-01-105-9683INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-029-6624?

NSN 5961-01-029-6624 is a Semiconductor Device,diode, manufactured by Westinghouse Electric Corp Semiconductor Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-029-6624?

NSN 5961-01-029-6624 has 4 cross-referenced part numbers: 1N3263R (Westinghouse Electric Corp Semiconductor Div), 1N3263R (Powerex, Inc.), 1N3263R (Electronic Industries Association), RELEASE3277 (Electronic Industries Association).

What NSN replaces 5961-01-029-6624?

There is 1 known substitute for 5961-01-029-6624: 5961-01-105-9683. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3263R?

Key specifications for 1N3263R: Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG; Material: SILICON SEMICONDUCTOR; Thread Series Designator: UNF; Mounting Facility Quantity: 1. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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