PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3640Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-424-9604 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-424-9604 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-424-9604. Primary manufacturer part number: 2N3640.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
  • Semiconductor Material: SILICON
  • Internal Junction Configuration: PNP
  • 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 5961-00-424-9604, 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 Freescale Semiconductor, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-424-9604
Primary Part Number2N3640
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
Semiconductor MaterialSILICON
Internal Junction ConfigurationPNP
Mounting MethodTERMINAL
Transfer Ratio20.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Current Rating Per Characteristic80.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.215 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.400 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2240-00-367-4095517910 INTERCHANGEABLE
Stop,choochoo
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5961-00-426-8211 INTERCHANGEABLE
Transistor
5961-00-950-1642 INTERCHANGEABLE
Transistor
5961-01-167-3219 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N3640 Texas Instruments Incorporated (USA)
2N3640 Fairchild Semiconductor Corp (USA)
517910 Raytheon Technical Services Company (USA)
2N3640 On Semiconductor Corporation (USA)
517910 Cae Usa Inc. (USA)
2N3640 PRIMARY Freescale Semiconductor, Inc. (USA)
Related Parts
2240-00-367-4095INTERCHANGEABLE
STOP,CHOOCHOO
517910
5961-00-426-8211INTERCHANGEABLE
TRANSISTOR
5961-00-950-1642INTERCHANGEABLE
TRANSISTOR
5961-01-167-3219INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-424-9604?

NSN 5961-00-424-9604 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-424-9604?

NSN 5961-00-424-9604 has 6 cross-referenced part numbers: 2N3640 (Texas Instruments Incorporated), 2N3640 (Fairchild Semiconductor Corp), 517910 (Raytheon Technical Services Company), 2N3640 (On Semiconductor Corporation), 517910 (Cae Usa Inc.) and 1 more.

What NSN replaces 5961-00-424-9604?

There are 4 known substitutes for 5961-00-424-9604: 2240-00-367-4095, 5961-00-426-8211, 5961-00-950-1642 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3640?

Key specifications for 2N3640: Overall Length: 0.250 INCHES MAXIMUM IN; Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED CASE. 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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