PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N4143Semiconductor Device,diode

Electronic Industries Association · NSN 5961-00-937-7375 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-937-7375 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-937-7375. Primary manufacturer part number: 1N4143.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Material: GLASS ENCLOSURE
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Features Provided: HERMETICALLY SEALED CASE
  • Specification/standard Data: 80131-RELEASE4399 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Terminal Length: 0.750 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
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 5961-00-937-7375, 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 Electronic Industries Association. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-937-7375
Primary Part Number1N4143
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
MaterialGLASS ENCLOSURE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Features ProvidedHERMETICALLY SEALED CASE
Specification/standard Data80131-RELEASE4399 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Length0.750 INCHES MINIMUM IN
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic600.0 MAXIMUM REVERSE VOLTAGE, PEAK
Current Rating Per Characteristic3.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Overall Diameter0.315 INCHES MAXIMUM IN
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-251-7557 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-938-7649 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N4143 Electronic Industries Association
1N4143 Solitron Devices, Inc. (USA)
1N4143 Electronic Devices Inc Dba E D I (USA)
RELEASE4399 Electronic Industries Association
Q531784271 Rheinmetall Air Defence Ag (CHE)
1N4143 Texas Instruments Incorporated (USA)
1N4143 Edal Industries, Inc. Dba Edal Industries Inc (USA)
1N4143 Diodes Inc (USA)
1N4143 International Diode Corp (USA)
1N4143 Vishay (GBR)
1N4143 Diodes Inc Power Components Div (USA)
27031000063 Sapa Operaciones SL (ESP)
Related Parts
5961-00-251-7557INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-938-7649INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-937-7375?

NSN 5961-00-937-7375 is a Semiconductor Device,diode, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-937-7375?

NSN 5961-00-937-7375 has 12 cross-referenced part numbers: 1N4143 (Electronic Industries Association), 1N4143 (Solitron Devices, Inc.), 1N4143 (Electronic Devices Inc Dba E D I), RELEASE4399 (Electronic Industries Association), Q531784271 (Rheinmetall Air Defence Ag) and 7 more.

What NSN replaces 5961-00-937-7375?

There are 2 known substitutes for 5961-00-937-7375: 5961-00-251-7557, 5961-00-938-7649. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N4143?

Key specifications for 1N4143: Material: SILICON SEMICONDUCTOR; Overall Length: 0.370 INCHES MAXIMUM IN; Material: GLASS ENCLOSURE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC. 12 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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