PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3997Transistor

Texas Instruments Incorporated · NSN 5961-00-442-9454 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-442-9454 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-442-9454. Primary manufacturer part number: 2N3997.
Features
  • Transistor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 5.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
  • Overall Diameter: 0.348 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG AND 1 THREADED STUD
  • Internal Junction Configuration: NPN
  • Overall Width Across Flats: 0.437 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-442-9454, 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 Texas Instruments Incorporated. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-442-9454
Primary Part Number2N3997
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic5.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
Overall Diameter0.348 INCHES NOMINAL IN
Terminal Type and Quantity3 TAB, SOLDER LUG AND 1 THREADED STUD
Internal Junction ConfigurationNPN
Overall Width Across Flats0.437 INCHES NOMINAL IN
Thread Series DesignatorUNF
Nominal Thread Size0.190 INCHES IN
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTHREADED STUD(S)
Semiconductor MaterialSILICON
Current Rating Per Characteristic5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Specification/standard Data80131-RELEASE5148 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-482-8491361590-2 INTERCHANGEABLE
Transistor
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
Cross-Reference Index
Part NumberManufacturer
RELEASE5148 Electronic Industries Association
2N3997 General Semiconductor Industries Inc (USA)
2N3997 Raytheon Systems Ltd (GBR)
2N3997A Adelco Elektronik Gmbh (DEU)
2N3997 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N3997 Electronic Industries Association
2N3997 Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave (USA)
2N3997 Trw Electronics and Defense Sector Rf Devices (USA)
2N3997 Adelco Elektronik Gmbh (DEU)
2N3997 Solid State Devices, Inc (USA)
2N3997 Microsemi Ppc Inc (USA)
2N3997 Raytheon Systems Ltd (weapons Support Group) (GBR)
2N3997 Lacon Electronic Gmbh (DEU)
2N3997 PRIMARY Texas Instruments Incorporated (USA)
2N3997 Micro Uspd Inc (USA)
2N3997 Csr Industries Inc (USA)
2N3997 Solitron Devices, Inc. (USA)
2N3997 Osi Optoelectronics, Inc Dba Semicoa (USA)
Related Parts
5961-00-482-8491INTERCHANGEABLE
TRANSISTOR
361590-2

Frequently Asked Questions

What is NSN 5961-00-442-9454?

NSN 5961-00-442-9454 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-442-9454?

NSN 5961-00-442-9454 has 18 cross-referenced part numbers: RELEASE5148 (Electronic Industries Association), 2N3997 (General Semiconductor Industries Inc), 2N3997 (Raytheon Systems Ltd), 2N3997A (Adelco Elektronik Gmbh), 2N3997 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp) and 13 more.

What NSN replaces 5961-00-442-9454?

There is 1 known substitute for 5961-00-442-9454: 5961-00-482-8491. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3997?

Key specifications for 2N3997: Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Power Rating Per Characteristic: 30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 5.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC; Overall Diameter: 0.348 INCHES NOMINAL IN. 17 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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