PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5401Transistor

National Semiconductor Corporation · NSN 5961-00-173-3428 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-173-3428 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-173-3428. Primary manufacturer part number: 2N5401.
Features
  • Transistor — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Criticality Code Justification: FEAT
  • Current Rating Per Characteristic: 600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 350.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Mounting Method: TERMINAL
  • Semiconductor Material: SILICON
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-173-3428, 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 National Semiconductor Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 26 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
NSN5961-00-173-3428
Primary Part Number2N5401
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
MaterialPLASTIC ENCLOSURE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Criticality Code JustificationFEAT
Current Rating Per Characteristic600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic350.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting MethodTERMINAL
Semiconductor MaterialSILICON
Terminal Length0.500 INCHES MINIMUM IN
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 150.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-92
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE5887 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1320-00-039-0811423831 INTERCHANGEABLE
Projectile Body Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5985-00-234-922115154 INTERCHANGEABLE
Support,antenna
Dayton-Granger, Inc.
6250-00-299-574912-71-XP-4-MIL INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5961-00-320-7603 INTERCHANGEABLE
Transistor
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5915-00-439-383233031-1 INTERCHANGEABLE
Filter Assembly,electrical
Microwave Devices Inc
5915-00-501-4062 INTERCHANGEABLE
Filter,low Pass
5330-00-508-1249450352SSR INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5120-00-596-1075 INTERCHANGEABLE
Face,hammer,inserted
5310-00-933-8121004-003005-020 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
330311 Ametek Programmable Power, Inc. (USA)
151-540 Autek Systems Corp (USA)
TR2N5401 Leonardo Tactical Systems (GBR)
S37073 Fairchild Semiconductor Corp (USA)
99088724 Thales Sa (FRA)
2N5401 Freescale Semiconductor, Inc. (USA)
735165-02 Dage-Mti, Inc (USA)
3718367-801 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
3010100196 Integra Microwave Div of Integra Inc
151-54 Systron-Donner Corp Microwave/instrument Div (USA)
2N5401 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N5401 PRIMARY National Semiconductor Corporation (USA)
2N5401 Electronic Industries Association
2N5401A Adelco Elektronik Gmbh (DEU)
TR2N5401 Drs Rugged Systems (europe) Ltd (GBR)
330311 California Instruments Corp (USA)
RELEASE5887 Electronic Industries Association
2N5401 Adelco Elektronik Gmbh (DEU)
1853-0264 Keysight Technologies, Inc. (USA)
604-0200-919 Seismic Engineering Co (USA)
Related Parts
1320-00-039-0811INTERCHANGEABLE
PROJECTILE BODY ASSEMBLY
423831
5985-00-234-9221INTERCHANGEABLE
SUPPORT,ANTENNA
15154
6250-00-299-5749INTERCHANGEABLE
LAMPHOLDER
12-71-XP-4-MIL
5961-00-320-7603INTERCHANGEABLE
TRANSISTOR
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
5915-00-439-3832INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
33031-1
5915-00-501-4062INTERCHANGEABLE
FILTER,LOW PASS
5330-00-508-1249INTERCHANGEABLE
SEAL,PLAIN ENCASED
450352SSR
5120-00-596-1075INTERCHANGEABLE
FACE,HAMMER,INSERTED
5310-00-933-8121INTERCHANGEABLE
WASHER,LOCK
004-003005-020
2030-00-938-3330INTERCHANGEABLE
WINCH,BOAT DAVIT
5950-00-987-6945INTERCHANGEABLE
TRANSFORMER,POWER
9104

Frequently Asked Questions

What is NSN 5961-00-173-3428?

NSN 5961-00-173-3428 is a Transistor, manufactured by National Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-173-3428?

NSN 5961-00-173-3428 has 32 cross-referenced part numbers: 330311 (Ametek Programmable Power, Inc.), 151-540 (Autek Systems Corp), TR2N5401 (Leonardo Tactical Systems), S37073 (Fairchild Semiconductor Corp), 99088724 (Thales Sa) and 27 more.

What NSN replaces 5961-00-173-3428?

There are 12 known substitutes for 5961-00-173-3428: 1320-00-039-0811, 5985-00-234-9221, 6250-00-299-5749 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5401?

Key specifications for 2N5401: Material: PLASTIC ENCLOSURE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Overall Length: 0.210 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 18 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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