PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N4149Semiconductor Device,diode

Fairchild Semiconductor Corp · NSN 5961-00-450-3022 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-450-3022 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-450-3022. Primary manufacturer part number: 1N4149.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Specification/standard Data: 80131-RELEASE4443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: D0-35
  • Material: SILICON SEMICONDUCTOR
  • Overall Diameter: 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM REVERSE VOLTAGE, PEAK
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 5961-00-450-3022, 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 Fairchild Semiconductor Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 19 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
NSN5961-00-450-3022
Primary Part Number1N4149
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
MaterialGLASS ENCLOSURE
Specification/standard Data80131-RELEASE4443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Joint Electronic Device Engineering Council/jedec/case Outline DesignationD0-35
MaterialSILICON SEMICONDUCTOR
Overall Diameter0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM REVERSE VOLTAGE, PEAK
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Terminal Length0.500 INCHES MINIMUM IN
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-110-21785656 INTERCHANGEABLE
Shaft,shouldered
Eaton Aerospace, Llc Dba Jackson South
4730-00-132-99485656 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
8915-00-143-328512-422 INTERCHANGEABLE
Potatoes,white,dehydrated
Simplot J R Co Food Div
5960-00-193-5131 INTERCHANGEABLE
Electron Tube
5330-00-298-3767154A50 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5960-00-617-8928 INTERCHANGEABLE
Electron Tube
6685-00-772-8853 INTERCHANGEABLE
Indicator,pressure
5961-00-835-4755CR0150 INTERCHANGEABLE
Semiconductor Device,diode
Emcore Corporation Div Concord Division
5961-00-899-8924 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-924-4587 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N4149 Fairchild Semiconductor Corp (USA)
SS450-F-375-001A Raytheon Systems Ltd (GBR)
1N4149 American Power Devices Inc (USA)
RELEASE4443 Electronic Industries Association
1N4149 Electronic Industries Association
1N4149 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1N4149 Itt Semiconductors Div (USA)
56-56 Heathkit Co Inc Dba Heathkit Educational Systems (USA)
914898 Thales Uk Limited Secure Communications and Information Systems (GBR)
1N4149 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N4149A Adelco Elektronik Gmbh (DEU)
PS400866 Leonardo Mw Ltd (GBR)
SM-C-651870 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
1N4149 General Electric Co Semi-Conductor Products Dept (USA)
PS400866 G E C Marconi Communications Ltd (GBR)
58-005765-011 Thomson Multimedia Broadcast Solutions Inc (USA)
1N4149 Texas Instruments Incorporated (USA)
914898 Racal Radio Ltd (GBR)
112-0204-001 Thermo Electron Scientific Instruments Llc (USA)
1N4149 Adelco Elektronik Gmbh (DEU)
Related Parts
3040-00-110-2178INTERCHANGEABLE
SHAFT,SHOULDERED
5656
4730-00-132-9948INTERCHANGEABLE
CLAMP,HOSE
5656
8915-00-143-3285INTERCHANGEABLE
POTATOES,WHITE,DEHYDRATED
12-422
5960-00-193-5131INTERCHANGEABLE
ELECTRON TUBE
5330-00-298-3767INTERCHANGEABLE
GASKET
154A50
5960-00-617-8928INTERCHANGEABLE
ELECTRON TUBE
6685-00-772-8853INTERCHANGEABLE
INDICATOR,PRESSURE
5961-00-835-4755INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
CR0150
5961-00-899-8924INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-924-4587INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-169-4683INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-196-5246INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3130088G001

Frequently Asked Questions

What is NSN 5961-00-450-3022?

NSN 5961-00-450-3022 is a Semiconductor Device,diode, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-450-3022?

NSN 5961-00-450-3022 has 21 cross-referenced part numbers: 1N4149 (Fairchild Semiconductor Corp), SS450-F-375-001A (Raytheon Systems Ltd), 1N4149 (American Power Devices Inc), RELEASE4443 (Electronic Industries Association), 1N4149 (Electronic Industries Association) and 16 more.

What NSN replaces 5961-00-450-3022?

There are 12 known substitutes for 5961-00-450-3022: 3040-00-110-2178, 4730-00-132-9948, 8915-00-143-3285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N4149?

Key specifications for 1N4149: Material: GLASS ENCLOSURE; Specification/standard Data: 80131-RELEASE4443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: D0-35. 13 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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