PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3911Semiconductor Device,diode

Westinghouse Electric Corp · NSN 5961-00-903-7477 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-903-7477 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-903-7477. Primary manufacturer part number: 1N3911.
Features
  • Semiconductor Device,diode — FSC 5961
  • Overall Width Across Flats: 0.687 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Thread Series Designator: UNF
  • Overall Diameter: 0.667 INCHES MAXIMUM IN
  • Specification/standard Data: 80131-RELEASE3944 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Mounting Method: THREADED STUD(S)
  • Mounting Facility Quantity: 1
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 5961-00-903-7477, 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. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-903-7477
Primary Part Number1N3911
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Thread Series DesignatorUNF
Overall Diameter0.667 INCHES MAXIMUM IN
Specification/standard Data80131-RELEASE3944 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic30.00 AMPERES MAXIMUM OFF-STATE CURRENT, INSTANTANEOUS
Nominal Thread Size0.250 INCHES IN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS CASE DEGC
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-135-8613 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-172-7865 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-194-9074 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-350-1470 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-463-7171 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-472-1103 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-487-81311N3889 INTERCHANGEABLE
Semiconductor Device,diode
Palomar Products, Inc.
5961-00-491-44011N3909 INTERCHANGEABLE
Semiconductor Device,diode
Palomar Products, Inc.
5961-00-498-8410 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-056-5017UFR3120 INTERCHANGEABLE
Semiconductor Device,diode
Micro Uspd Inc
Cross-Reference Index
Part NumberManufacturer
RELEASE3944 Electronic Industries Association
1N3911 Westinghouse Electric Corp Semiconductor Div (USA)
1N3911 PRIMARY Westinghouse Electric Corp (USA)
1N3911 Electronic Industries Association
1N3911 Stellant Systems Inc (USA)
Related Parts
5961-00-135-8613INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-172-7865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-194-9074INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-350-1470INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-463-7171INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-472-1103INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-487-8131INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3889
5961-00-491-4401INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3909
5961-00-498-8410INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-056-5017INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
UFR3120
5961-01-073-3785INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-084-4072INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-903-7477?

NSN 5961-00-903-7477 is a Semiconductor Device,diode, manufactured by Westinghouse Electric Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-903-7477?

NSN 5961-00-903-7477 has 5 cross-referenced part numbers: RELEASE3944 (Electronic Industries Association), 1N3911 (Westinghouse Electric Corp Semiconductor Div), 1N3911 (Westinghouse Electric Corp), 1N3911 (Electronic Industries Association), 1N3911 (Stellant Systems Inc).

What NSN replaces 5961-00-903-7477?

There are 12 known substitutes for 5961-00-903-7477: 5961-00-135-8613, 5961-00-172-7865, 5961-00-194-9074 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3911?

Key specifications for 1N3911: Overall Width Across Flats: 0.687 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK; Thread Series Designator: UNF; Overall Diameter: 0.667 INCHES MAXIMUM IN. 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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