PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-2395Transistor

Semiconductor Technology, Inc. Dba Semiconductor Technology Inc · NSN 5961-01-142-0644 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-142-0644 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-142-0644. Primary manufacturer part number: 51-2395.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Length: 0.500 INCHES NOMINAL IN
  • Overall Diameter: 0.360 INCHES NOMINAL IN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
  • Terminal Circle Diameter: 0.016 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-142-0644, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-142-0644
Primary Part Number51-2395
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemiconductor Technology, Inc. Dba Semiconductor Technology Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Power Rating Per Characteristic5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Length0.500 INCHES NOMINAL IN
Overall Diameter0.360 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Terminal Circle Diameter0.016 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic250.0 NOMINAL BREAKOVER VOLTAGE, DC
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-494-4899 INTERCHANGEABLE
Transistor
6830-01-360-186651-2395 INTERCHANGEABLE
Calibrating Gas Mixture
Bacharach, Inc.
Cross-Reference Index
Part NumberManufacturer
12272123 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
2N4927 Freescale Semiconductor, Inc. (USA)
51-2395 PRIMARY Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
Related Parts
5961-00-494-4899INTERCHANGEABLE
TRANSISTOR
6830-01-360-1866INTERCHANGEABLE
CALIBRATING GAS MIXTURE
51-2395

Frequently Asked Questions

What is NSN 5961-01-142-0644?

NSN 5961-01-142-0644 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 5961-01-142-0644?

NSN 5961-01-142-0644 has 3 cross-referenced part numbers: 12272123 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 2N4927 (Freescale Semiconductor, Inc.), 51-2395 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc).

What NSN replaces 5961-01-142-0644?

There are 2 known substitutes for 5961-01-142-0644: 5961-00-494-4899, 6830-01-360-1866. Verify interchangeability with system specifications before substitution.

What are the specifications of 51-2395?

Key specifications for 51-2395: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Terminal Length: 0.500 INCHES NOMINAL IN; Overall Diameter: 0.360 INCHES NOMINAL IN. 12 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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