PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N1253Transistor

Fairchild Semiconductor Corp · NSN 5961-00-814-2693 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-814-2693 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-814-2693. Primary manufacturer part number: 2N1253.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Internal Configuration: JUNCTION CONTACT
  • Specification/standard Data: 80131-RELEASE2591 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-814-2693, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-814-2693
Primary Part Number2N1253
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Specification/standard Data80131-RELEASE2591 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Overall Diameter0.370 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Terminal Length1.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5961-00-586-5784 INTERCHANGEABLE
Transistor
5961-00-752-0150352-0197-000 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
2N1253 Fairchild Semiconductor Corp (USA)
2N1253 Texas Instruments Incorporated (USA)
2N1253 Electronic Industries Association
2N1253 National Semiconductor Corp (USA)
RELEASE2591 Electronic Industries Association
Related Parts
5961-00-586-5784INTERCHANGEABLE
TRANSISTOR
5961-00-752-0150INTERCHANGEABLE
TRANSISTOR
352-0197-000

Frequently Asked Questions

What is NSN 5961-00-814-2693?

NSN 5961-00-814-2693 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-814-2693?

NSN 5961-00-814-2693 has 5 cross-referenced part numbers: 2N1253 (Fairchild Semiconductor Corp), 2N1253 (Texas Instruments Incorporated), 2N1253 (Electronic Industries Association), 2N1253 (National Semiconductor Corp), RELEASE2591 (Electronic Industries Association).

What NSN replaces 5961-00-814-2693?

There are 2 known substitutes for 5961-00-814-2693: 5961-00-586-5784, 5961-00-752-0150. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N1253?

Key specifications for 2N1253: Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Features Provided: HERMETICALLY SEALED CASE; Power Rating Per Characteristic: 600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-814-2693 still in active supply?

NSN 5961-00-814-2693 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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