PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N2903Semiconductor Devices,unitized

General Semiconductor Inc · NSN 5961-00-492-7902 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-492-7902 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-492-7902. Primary manufacturer part number: 2N2903.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Component Name and Quantity: 2 TRANSISTOR
  • Mounting Method: TERMINAL
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-77
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-00-492-7902, 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 General Semiconductor Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-492-7902
Primary Part Number2N2903
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Semiconductor Inc
StatusCANCELLED
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Component Name and Quantity2 TRANSISTOR
Mounting MethodTERMINAL
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-77
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN ALL TRANSISTOR
Terminal Type and Quantity6 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON ALL TRANSISTOR
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3040-00-081-9670 INTERCHANGEABLE
Shaft,straight
5961-00-936-57881563074 INTERCHANGEABLE
Semiconductor Devices,unitized
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
8320-01-202-055823216-1 INTERCHANGEABLE
Pad,cushioning
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
2N2903 General Semiconductor Inc (USA)
2N2903 Fairchild Semiconductor Corp (USA)
2N2903 Raytheon Company Dba Raytheon Co (USA)
2N2903 General Electric Co Semi-Conductor Products Dept (USA)
2N2903 Solitron Devices, Inc. (USA)
2N2903 Raytheon Company Div Corp (USA)
2N2903 Csr Industries Inc (USA)
2N2903 Telcom Semiconductor Inc (USA)
2N2903 Electronic Industries Association
RELEASE4282 Electronic Industries Association
2N2903 Freescale Semiconductor, Inc. (USA)
232161 Woodward, Inc. (USA)
2N2903 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N2903 National Semiconductor Corp (USA)
2N2903 Solid State Devices, Inc (USA)
Related Parts
3040-00-081-9670INTERCHANGEABLE
SHAFT,STRAIGHT
5961-00-936-5788INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
1563074
8320-01-202-0558INTERCHANGEABLE
PAD,CUSHIONING
23216-1

Frequently Asked Questions

What is NSN 5961-00-492-7902?

NSN 5961-00-492-7902 is a Semiconductor Devices,unitized, manufactured by General Semiconductor Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-492-7902?

NSN 5961-00-492-7902 has 15 cross-referenced part numbers: 2N2903 (General Semiconductor Inc), 2N2903 (Fairchild Semiconductor Corp), 2N2903 (Raytheon Company Dba Raytheon Co), 2N2903 (General Electric Co Semi-Conductor Products Dept), 2N2903 (Solitron Devices, Inc.) and 10 more.

What NSN replaces 5961-00-492-7902?

There are 3 known substitutes for 5961-00-492-7902: 3040-00-081-9670, 5961-00-936-5788, 8320-01-202-0558. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N2903?

Key specifications for 2N2903: Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Component Name and Quantity: 2 TRANSISTOR. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-492-7902 still in active supply?

NSN 5961-00-492-7902 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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