PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N1691Transistor

Texas Instruments Incorporated · NSN 5961-00-052-4114 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-052-4114 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-052-4114. Primary manufacturer part number: 2N1691.
Features
  • Transistor — FSC 5961
  • Mounting Facility Quantity: 1
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Overall Diameter: 0.460 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-052-4114, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5961-00-052-4114
Primary Part Number2N1691
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Mounting Facility Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Overall Diameter0.460 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 10.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTHREADED STUD(S)
Features ProvidedHERMETICALLY SEALED CASE
Specification/standard Data80131-RELEASE2992 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Nominal Thread Size0.138 INCHES IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-226-86942N1049A INTERCHANGEABLE
Transistor
New Jersey Semi-Conductor Products, Inc.
Cross-Reference Index
Part NumberManufacturer
2N1691 Texas Instruments Incorporated (USA)
2N1691 Silicon Transistor Corporation Dba Same (USA)
2N1691 Esco Inc (USA)
2N1691 Alpine Industries Inc (USA)
2N1691 Electronic Industries Association
2N1691 Raytheon Company Dba Raytheon (USA)
2N1691 Electronic Transistors Corp (USA)
RELEASE2992 Electronic Industries Association
Related Parts
5961-00-226-8694INTERCHANGEABLE
TRANSISTOR
2N1049A

Frequently Asked Questions

What is NSN 5961-00-052-4114?

NSN 5961-00-052-4114 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 5961-00-052-4114?

NSN 5961-00-052-4114 has 8 cross-referenced part numbers: 2N1691 (Texas Instruments Incorporated), 2N1691 (Silicon Transistor Corporation Dba Same), 2N1691 (Esco Inc), 2N1691 (Alpine Industries Inc), 2N1691 (Electronic Industries Association) and 3 more.

What NSN replaces 5961-00-052-4114?

There is 1 known substitute for 5961-00-052-4114: 5961-00-226-8694. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N1691?

Key specifications for 2N1691: Overall Length: 0.215 INCHES MAXIMUM IN; Mounting Facility Quantity: 1; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com