PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N2191Transistor

Texas Instruments Incorporated · NSN 5961-00-057-0465 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-057-0465 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-057-0465. Primary manufacturer part number: 2N2191.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Overall Diameter: 0.266 INCHES NOMINAL IN
  • Internal Configuration: POINT CONTACT
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Circle Diameter: 0.100 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 5961-00-057-0465, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-057-0465
Primary Part Number2N2191
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Mounting MethodTERMINAL
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Overall Diameter0.266 INCHES NOMINAL IN
Internal ConfigurationPOINT CONTACT
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Length1.500 INCHES MINIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 2.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Semiconductor MaterialGERMANIUM
Power Rating Per Characteristic125.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Specification/standard Data80131-RELEASE3959 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-251-7580 INTERCHANGEABLE
Transistor
5961-00-715-2871 INTERCHANGEABLE
Transistor
5961-00-732-7638 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N2191 Texas Instruments Incorporated (USA)
2N2191 Raytheon Company Dba Raytheon (USA)
RELEASE3959 Electronic Industries Association
2N2191 Semitronics Corp (USA)
2N2191 British Sarozal Ltd (GBR)
232676 Rca Corp Distributor and Special Products Div
2N2191 Electronic Industries Association
Related Parts
5961-00-251-7580INTERCHANGEABLE
TRANSISTOR
5961-00-715-2871INTERCHANGEABLE
TRANSISTOR
5961-00-732-7638INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-057-0465?

NSN 5961-00-057-0465 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 5961-00-057-0465?

NSN 5961-00-057-0465 has 7 cross-referenced part numbers: 2N2191 (Texas Instruments Incorporated), 2N2191 (Raytheon Company Dba Raytheon), RELEASE3959 (Electronic Industries Association), 2N2191 (Semitronics Corp), 2N2191 (British Sarozal Ltd) and 2 more.

What NSN replaces 5961-00-057-0465?

There are 3 known substitutes for 5961-00-057-0465: 5961-00-251-7580, 5961-00-715-2871, 5961-00-732-7638. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N2191?

Key specifications for 2N2191: Mounting Method: TERMINAL; Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC; Overall Length: 0.335 INCHES NOMINAL IN. 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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