PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3303Transistor

Fairchild Semiconductor Corp · NSN 5961-00-105-7409 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-105-7409 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-105-7409. Primary manufacturer part number: 2N3303.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Terminal Length: 0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Semiconductor Material: SILICONSILICON
  • Voltage Rating in Volts Per Characteristic: 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-105-7409, 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 11 commercial cross-references from 10 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
NSN5961-00-105-7409
Primary Part Number2N3303
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Current Rating Per Characteristic1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Terminal Length0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
Overall Diameter0.335 INCHES MINIMUM AND 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Semiconductor MaterialSILICONSILICON
Voltage Rating in Volts Per Characteristic25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 12.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Mounting MethodTERMINALTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Internal Junction ConfigurationNPNNPN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-007-0730723020-57 INTERCHANGEABLE
Transistor
Raytheon Company Div Rmd Strategic
5961-00-490-4266 INTERCHANGEABLE
Transistor
5826-01-694-8922200-02020-0000 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe
Cross-Reference Index
Part NumberManufacturer
2N3303 Fairchild Semiconductor Corp (USA)
000-8004-539 The Boeing Company Div Legacy Boeing Hb1 (USA)
2N3303 Solid State Devices, Inc (USA)
2N3303 Osi Optoelectronics, Inc Dba Semicoa (USA)
2N3303 Electronic Industries Association
2N3303 Freescale Semiconductor, Inc. (USA)
2N3303 Semitronics Corp (USA)
2N3303 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
200202-000 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
RELEASE4699B Electronic Industries Association
2N3303 On Semiconductor Corporation (USA)
Related Parts
5961-00-007-0730INTERCHANGEABLE
TRANSISTOR
723020-57
5961-00-490-4266INTERCHANGEABLE
TRANSISTOR
5826-01-694-8922INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
200-02020-0000

Frequently Asked Questions

What is NSN 5961-00-105-7409?

NSN 5961-00-105-7409 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-105-7409?

NSN 5961-00-105-7409 has 11 cross-referenced part numbers: 2N3303 (Fairchild Semiconductor Corp), 000-8004-539 (The Boeing Company Div Legacy Boeing Hb1), 2N3303 (Solid State Devices, Inc), 2N3303 (Osi Optoelectronics, Inc Dba Semicoa), 2N3303 (Electronic Industries Association) and 6 more.

What NSN replaces 5961-00-105-7409?

There are 3 known substitutes for 5961-00-105-7409: 5961-00-007-0730, 5961-00-490-4266, 5826-01-694-8922. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3303?

Key specifications for 2N3303: Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC300.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD; Terminal Length: 0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN; Overall Diameter: 0.335 INCHES MINIMUM AND 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN. 14 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