PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4012810Transistor

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5961-01-212-9758 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-212-9758 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-212-9758. Primary manufacturer part number: B4012810.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 10.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Semiconductor Material: SILICON
  • Transfer Ratio: 120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • 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 5961-01-212-9758, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5961-01-212-9758
Primary Part NumberB4012810
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
Power Rating Per Characteristic10.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Transfer Ratio120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Current Rating Per Characteristic1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 120.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-01-016-99062N5682 INTERCHANGEABLE
Transistor
Microsemi Corp - Massachusetts
5961-01-119-41782135192-3 INTERCHANGEABLE
Transistor
Honeywell Intl Inc Defense Avionics Systems
5961-01-276-8829 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N5682 Freescale Semiconductor, Inc. (USA)
B4012810 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
2N5682 Silicon Transistor Corporation Dba Same (USA)
2N5682 Powerex, Inc. (USA)
Related Parts
5961-01-016-9906INTERCHANGEABLE
TRANSISTOR
2N5682
5961-01-119-4178INTERCHANGEABLE
TRANSISTOR
2135192-3
5961-01-276-8829INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-212-9758?

NSN 5961-01-212-9758 is a Transistor, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-212-9758?

NSN 5961-01-212-9758 has 4 cross-referenced part numbers: 2N5682 (Freescale Semiconductor, Inc.), B4012810 (Department of the Army Hq United States Army Communications Research and Development Command), 2N5682 (Silicon Transistor Corporation Dba Same), 2N5682 (Powerex, Inc.).

What NSN replaces 5961-01-212-9758?

There are 3 known substitutes for 5961-01-212-9758: 5961-01-016-9906, 5961-01-119-4178, 5961-01-276-8829. Verify interchangeability with system specifications before substitution.

What are the specifications of B4012810?

Key specifications for B4012810: Overall Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Power Rating Per Characteristic: 10.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Terminal Length: 0.500 INCHES MINIMUM IN; Maximum Operating Temp Per Measurement Point: 200.0 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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