PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4249Transistor

Semitronics Corp · NSN 5961-00-246-2427 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-246-2427 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-246-2427. Primary manufacturer part number: 2N4249.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Length: 0.400 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-246-2427, 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 Semitronics Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-246-2427
Primary Part Number2N4249
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusCANCELLED
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Internal ConfigurationJUNCTION CONTACT
Terminal Length0.400 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Overall Diameter0.215 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity3 PIN
MaterialPLASTIC ENCLOSURE
Specification/standard Data80131-RELEASE5285 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5961-00-021-7849 INTERCHANGEABLE
Transistor
5961-00-132-5466 INTERCHANGEABLE
Transistor
5961-00-487-8132200022 INTERCHANGEABLE
Transistor
Astronics Test Systems Inc
5961-00-780-8368 INTERCHANGEABLE
Transistor
5961-00-998-93142N4429 INTERCHANGEABLE
Transistor
New Jersey Semi-Conductor Products, Inc.
Cross-Reference Index
Part NumberManufacturer
2N4249 Semitronics Corp (USA)
2N4249 Itt Semiconductors Div (USA)
2N4249 Electronic Industries Association
2N4249 Fairchild Semiconductor Corp (USA)
TQAC4249 Comtec Information Systems Inc Digitronics Div (USA)
PN4249-18 National Semiconductor Corporation (USA)
2N4249 Solid State Devices, Inc (USA)
S32264 Fairchild Semiconductor Corp (USA)
151-0342-00 Spacelabs-Hillsboro Operations Squibb Vitatek Inc (USA)
SM 62123 National Semiconductor Corporation (USA)
007000900 Kustom Electronics Inc (USA)
7900130-137 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
2N4249 Newark Electronics Corporation Dba Newark (USA)
2N4249 Telcom Semiconductor Inc (USA)
5961PL0933003 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4249-18 National Semiconductor Corporation (USA)
832-424-9X Ametek Programmable Power, Inc. (USA)
2N4249 Hybrid Semiconductors & Electronics Inc Dba Hybrid Semi Conductors & Electronics (USA)
151-0342-00 Tektronix, Inc. (USA)
2N4249 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-021-7849INTERCHANGEABLE
TRANSISTOR
5961-00-132-5466INTERCHANGEABLE
TRANSISTOR
5961-00-487-8132INTERCHANGEABLE
TRANSISTOR
200022
5961-00-780-8368INTERCHANGEABLE
TRANSISTOR
5961-00-998-9314INTERCHANGEABLE
TRANSISTOR
2N4429

Frequently Asked Questions

What is NSN 5961-00-246-2427?

NSN 5961-00-246-2427 is a Transistor, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-246-2427?

NSN 5961-00-246-2427 has 31 cross-referenced part numbers: 2N4249 (Semitronics Corp), 2N4249 (Itt Semiconductors Div), 2N4249 (Electronic Industries Association), 2N4249 (Fairchild Semiconductor Corp), TQAC4249 (Comtec Information Systems Inc Digitronics Div) and 26 more.

What NSN replaces 5961-00-246-2427?

There are 5 known substitutes for 5961-00-246-2427: 5961-00-021-7849, 5961-00-132-5466, 5961-00-487-8132 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4249?

Key specifications for 2N4249: Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Internal Configuration: JUNCTION CONTACT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-246-2427 still in active supply?

NSN 5961-00-246-2427 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.
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