PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STSWTC56-2Transistor

Lockheed Martin Corp · NSN 5961-01-332-9503 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-332-9503 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-332-9503. Primary manufacturer part number: STSWTC56-2.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 0.6 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Precious Material and Location: TERMINAL SURFACES AND INTERNAL WIRE GOLD
  • Terminal Type and Quantity: 4 BONDING PAD
  • Mounting Method: COMPRESSION
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-332-9503, 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 Lockheed Martin Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-332-9503
Primary Part NumberSTSWTC56-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic0.6 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Precious Material and LocationTERMINAL SURFACES AND INTERNAL WIRE GOLD
Terminal Type and Quantity4 BONDING PAD
Mounting MethodCOMPRESSION
Current Rating Per Characteristic800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MaterialPLASTIC ENCLOSURE
Internal ConfigurationJUNCTION CONTACT
Precious MaterialGOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-226-67652N2222 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-490-7299 INTERCHANGEABLE
Transistor
5961-00-719-42972459237-4 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-858-3826 INTERCHANGEABLE
Transistor
5961-01-050-4825114368 INTERCHANGEABLE
Transistor
Tdk-Lambda Americas Inc. Div High Power Division
5961-01-136-82802N2222A INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-01-182-308320-01011-001 INTERCHANGEABLE
Transistor
Raytheon Company
5961-01-488-4457 INTERCHANGEABLE
Transistor
5961-01-596-93672N2222A INTERCHANGEABLE
Transistor
Silicon Transistor Corporation Dba Same
Cross-Reference Index
Part NumberManufacturer
2N2222A Philips Circuit Assemblies Div of Mepco/cemtralab Inc Div of North American Philips Co (USA)
STSWTC56-2 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5961-00-226-6765INTERCHANGEABLE
TRANSISTOR
2N2222
5961-00-490-7299INTERCHANGEABLE
TRANSISTOR
5961-00-719-4297INTERCHANGEABLE
TRANSISTOR
2459237-4
5961-00-858-3826INTERCHANGEABLE
TRANSISTOR
5961-01-050-4825INTERCHANGEABLE
TRANSISTOR
114368
5961-01-136-8280INTERCHANGEABLE
TRANSISTOR
2N2222A
5961-01-182-3083INTERCHANGEABLE
TRANSISTOR
20-01011-001
5961-01-488-4457INTERCHANGEABLE
TRANSISTOR
5961-01-596-9367INTERCHANGEABLE
TRANSISTOR
2N2222A

Frequently Asked Questions

What is NSN 5961-01-332-9503?

NSN 5961-01-332-9503 is a Transistor, manufactured by Lockheed Martin Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-332-9503?

NSN 5961-01-332-9503 has 2 cross-referenced part numbers: 2N2222A (Philips Circuit Assemblies Div of Mepco/cemtralab Inc Div of North American Philips Co), STSWTC56-2 (Lockheed Martin Corp).

What NSN replaces 5961-01-332-9503?

There are 9 known substitutes for 5961-01-332-9503: 5961-00-226-6765, 5961-00-490-7299, 5961-00-719-4297 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STSWTC56-2?

Key specifications for STSWTC56-2: Semiconductor Material: SILICON; Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Overall Length: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC. 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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