PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N979ASemiconductor Device,diode

General Semiconductor Industries Inc · NSN 5961-00-454-9239 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-454-9239 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-454-9239. Primary manufacturer part number: 1N979A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Specification/standard Data: 80131-RELEASE2959 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Material: GLASS ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Function for Which Designed: ZENER DIODE
  • Power Rating Per Characteristic: 400.00 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-454-9239, 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 General Semiconductor Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 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
NSN5961-00-454-9239
Primary Part Number1N979A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Semiconductor Industries Inc
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE2959 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Function for Which DesignedZENER DIODE
Power Rating Per Characteristic400.00 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Overall Diameter0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.000 INCHES MINIMUM IN
Voltage Tolerance in Percent-10.0 TO 10.0
Current Rating Per Characteristic2.20 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
Mounting MethodTERMINAL
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-204AA
Voltage Rating in Volts Per Characteristic56.0 NOMINAL NOMINAL REGULATOR VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-050-5627 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-1986 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-1988 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-1990 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-1992 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-761-2030 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-778-8437 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-880-5192 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-883-1924CR0201 INTERCHANGEABLE
Semiconductor Device,diode
Emcore Corporation Div Concord Division
5961-00-903-6178 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N979A General Semiconductor Industries Inc (USA)
1N979A International Diode Corp (USA)
1N979AA Adelco Elektronik Gmbh (DEU)
1N979A N a P Smd Technology Inc
RELEASE 2959 Electronic Industries Association
1N979A Electronic Transistors Corp (USA)
1N979A Burns and Towne Inc (USA)
1N979A Freescale Semiconductor, Inc. (USA)
1N979A Fairchild Semiconductor Corp (USA)
1N979A Microsemi Corp.-Scottsdale Dba Microsemi (USA)
1N979A Electronic Industries Association
1N979A Espey Mfg and Electronics Corp (USA)
1N979A Coherent Component Corp Standard Rectifier Div (USA)
187757 Fluke Corp (USA)
1N979A Itt Semiconductors Div (USA)
Related Parts
5961-00-050-5627INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-1986INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-1988INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-1990INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-1992INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-761-2030INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-778-8437INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-880-5192INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-883-1924INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
CR0201
5961-00-903-6178INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-903-8021INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
2836-307
5961-00-909-7379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-454-9239?

NSN 5961-00-454-9239 is a Semiconductor Device,diode, manufactured by General Semiconductor Industries Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-454-9239?

NSN 5961-00-454-9239 has 15 cross-referenced part numbers: 1N979A (General Semiconductor Industries Inc), 1N979A (International Diode Corp), 1N979AA (Adelco Elektronik Gmbh), 1N979A (N a P Smd Technology Inc), RELEASE 2959 (Electronic Industries Association) and 10 more.

What NSN replaces 5961-00-454-9239?

There are 12 known substitutes for 5961-00-454-9239: 5961-00-050-5627, 5961-00-400-1986, 5961-00-400-1988 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N979A?

Key specifications for 1N979A: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Specification/standard Data: 80131-RELEASE2959 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Material: GLASS ENCLOSURE; Material: SILICON SEMICONDUCTOR. 15 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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