PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

379271Transistor

Fluke Corp · NSN 5961-01-078-9494 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-078-9494 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-078-9494. Primary manufacturer part number: 379271.
Features
  • Transistor — FSC 5961
  • Internal Configuration: FIELD EFFECT
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
  • Material: PLASTIC ENCLOSURE
  • Voltage Rating in Volts Per Characteristic: 25.0 NOMINAL BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Mounting Method: TERMINAL
  • Terminal Type and Quantity: 6 UNINSULATED WIRE LEAD
  • Semiconductor Material: SILICON
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-078-9494, 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 Fluke Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-078-9494
Primary Part Number379271
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFluke Corp
StatusACTIVE
Internal ConfigurationFIELD EFFECT
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
MaterialPLASTIC ENCLOSURE
Voltage Rating in Volts Per Characteristic25.0 NOMINAL BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Mounting MethodTERMINAL
Terminal Type and Quantity6 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Power Rating Per Characteristic350.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-121-0551200241 INTERCHANGEABLE
Cap,sight Gage
Huck International, Inc
4730-00-278-2070111605 INTERCHANGEABLE
Clamp,hose
Chrysler Realty Company Llc Dba Daimler Chrysler
4210-00-279-28261FC175 INTERCHANGEABLE
Hub,elevation
Oshkosh Defense Llc
5340-00-367-4670B420 INTERCHANGEABLE
Cover,access
Dresser, Llc
6695-00-477-4552FM1206 INTERCHANGEABLE
Meter Movement
Ideal Precision Meter Co Dba Ideal Precision Meter Co
3455-00-517-555517446 INTERCHANGEABLE
Cutter,milling,side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5961-01-007-67781855-0202 INTERCHANGEABLE
Semiconductor Devices,unitized
Avago Technologies Us Inc Div Avago Technologies
5945-01-198-6231307A8805P1 INTERCHANGEABLE
Relay,electromagnetic
Bae Systems Controls Inc.
6515-01-394-4769200-241 INTERCHANGEABLE
Perforator,cranial
Acra Cut, Inc. Dba Acra-Cut Inc
5998-01-463-6984B420 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
379271 Fluke Corp (USA)
E421 Siliconix Incorporated Div Siliconix (USA)
B420 Siliconix Incorporated Div Siliconix (USA)
200104211 Zodiac Data Systems Inc. Dba Enertec America (USA)
200241 Astronics Test Systems Inc (USA)
200104211 Safran Data Systems (FRA)
Related Parts
6680-00-121-0551INTERCHANGEABLE
CAP,SIGHT GAGE
200241
4730-00-278-2070INTERCHANGEABLE
CLAMP,HOSE
111605
4210-00-279-2826INTERCHANGEABLE
HUB,ELEVATION
1FC175
5340-00-367-4670INTERCHANGEABLE
COVER,ACCESS
B420
6695-00-477-4552INTERCHANGEABLE
METER MOVEMENT
FM1206
3455-00-517-5555INTERCHANGEABLE
CUTTER,MILLING,SIDE
17446
5961-01-007-6778INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
1855-0202
5945-01-198-6231INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
307A8805P1
6515-01-394-4769INTERCHANGEABLE
PERFORATOR,CRANIAL
200-241
5998-01-463-6984INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B420
7025-01-477-1679INTERCHANGEABLE
DISPLAY UNIT
V422
1560-01-681-0852INTERCHANGEABLE
PANEL,STRUCTURAL,AIRCRAFT
UH60-PM12-2025

Frequently Asked Questions

What is NSN 5961-01-078-9494?

NSN 5961-01-078-9494 is a Transistor, manufactured by Fluke Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-078-9494?

NSN 5961-01-078-9494 has 6 cross-referenced part numbers: 379271 (Fluke Corp), E421 (Siliconix Incorporated Div Siliconix), B420 (Siliconix Incorporated Div Siliconix), 200104211 (Zodiac Data Systems Inc. Dba Enertec America), 200241 (Astronics Test Systems Inc) and 1 more.

What NSN replaces 5961-01-078-9494?

There are 12 known substitutes for 5961-01-078-9494: 6680-00-121-0551, 4730-00-278-2070, 4210-00-279-2826 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 379271?

Key specifications for 379271: Internal Configuration: FIELD EFFECT; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT; Overall Length: 0.120 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Material: PLASTIC ENCLOSURE. 11 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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