PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N656ATransistor

Semiconductor Technology, Inc. Dba Semiconductor Technology Inc · NSN 5961-00-729-2786 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-729-2786 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-729-2786. Primary manufacturer part number: 2N656A.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Specification/standard Data: 80131-RELEASE3021 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Terminal Length: 1.500 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-729-2786, 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 Semiconductor Technology, Inc. Dba Semiconductor Technology Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN5961-00-729-2786
Primary Part Number2N656A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemiconductor Technology, Inc. Dba Semiconductor Technology Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE3021 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Overall Diameter0.370 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Terminal Length1.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic4.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-043-1335 INTERCHANGEABLE
Transistor
5961-00-087-1078 INTERCHANGEABLE
Transistor
5961-00-724-6904 INTERCHANGEABLE
Transistor
5961-00-806-83092N657A INTERCHANGEABLE
Transistor
Central Semiconductor, Llc Dba Central Semiconductor Corp
Cross-Reference Index
Part NumberManufacturer
2N656A Bae Systems Information and Electronic Systems Integration I (USA)
2N656A Martin Marietta Corp Electronics Laboratory (USA)
2N656A Texas Instruments Incorporated (USA)
2N656A PRIMARY Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
1532887-3 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
RELEASE3021 Electronic Industries Association
2N656A General Electric Co Semi-Conductor Products Dept (USA)
2N656A Electronic Industries Association
2N656-A Memec Ltd (GBR)
2N656A Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
Related Parts
5961-00-043-1335INTERCHANGEABLE
TRANSISTOR
5961-00-087-1078INTERCHANGEABLE
TRANSISTOR
5961-00-724-6904INTERCHANGEABLE
TRANSISTOR
5961-00-806-8309INTERCHANGEABLE
TRANSISTOR
2N657A

Frequently Asked Questions

What is NSN 5961-00-729-2786?

NSN 5961-00-729-2786 is a Transistor, manufactured by Semiconductor Technology, Inc. Dba Semiconductor Technology Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-729-2786?

NSN 5961-00-729-2786 has 10 cross-referenced part numbers: 2N656A (Bae Systems Information and Electronic Systems Integration I), 2N656A (Martin Marietta Corp Electronics Laboratory), 2N656A (Texas Instruments Incorporated), 2N656A (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), 1532887-3 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site) and 5 more.

What NSN replaces 5961-00-729-2786?

There are 4 known substitutes for 5961-00-729-2786: 5961-00-043-1335, 5961-00-087-1078, 5961-00-724-6904 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N656A?

Key specifications for 2N656A: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Specification/standard Data: 80131-RELEASE3021 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN. 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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