PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RELEASE 5198Transistor

Electronic Industries Association · NSN 5961-00-078-6860 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-078-6860 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-078-6860. Primary manufacturer part number: RELEASE 5198.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Semiconductor Material: SILICONSILICON
  • Mounting Method: TERMINALTERMINAL
  • Overall Diameter: 0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 1.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION1.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Internal Configuration: FIELD EFFECTFIELD EFFECT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-078-6860, 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 Electronic Industries Association. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-078-6860
Primary Part NumberRELEASE 5198
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Semiconductor MaterialSILICONSILICON
Mounting MethodTERMINALTERMINAL
Overall Diameter0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN
Power Rating Per Characteristic1.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION1.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Internal ConfigurationFIELD EFFECTFIELD EFFECT
Terminal Length0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseGATEGATE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-278-96322N4091 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
5961-00-421-3040 INTERCHANGEABLE
Transistor
5961-00-458-3568329987 INTERCHANGEABLE
Semiconductor Device Set
Fluke Corp
5961-00-996-2121 INTERCHANGEABLE
Transistor
5961-00-998-4268 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
RELEASE 5198 Electronic Industries Association
2N4091 Electronic Industries Association
2N4091A Adelco Elektronik Gmbh (DEU)
28463-53041 Leonardo Uk Ltd (GBR)
2N4091 Adelco Elektronik Gmbh (DEU)
28463-53041 Leonardo Mw Ltd (GBR)
2N4091 Telcom Semiconductor Inc (USA)
11153573-2 Us Army Aviation and Missile Command (USA)
535-331-001 Elettronica Gmbh (DEU)
535-331-001 Elettronica Spa (ITA)
2N4091 Lacon Electronic Gmbh (DEU)
Related Parts
5961-00-278-9632INTERCHANGEABLE
TRANSISTOR
2N4091
5961-00-421-3040INTERCHANGEABLE
TRANSISTOR
5961-00-458-3568INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
329987
5961-00-996-2121INTERCHANGEABLE
TRANSISTOR
5961-00-998-4268INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-078-6860?

NSN 5961-00-078-6860 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-078-6860?

NSN 5961-00-078-6860 has 11 cross-referenced part numbers: RELEASE 5198 (Electronic Industries Association), 2N4091 (Electronic Industries Association), 2N4091A (Adelco Elektronik Gmbh), 28463-53041 (Leonardo Uk Ltd), 2N4091 (Adelco Elektronik Gmbh) and 6 more.

What NSN replaces 5961-00-078-6860?

There are 5 known substitutes for 5961-00-078-6860: 5961-00-278-9632, 5961-00-421-3040, 5961-00-458-3568 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RELEASE 5198?

Key specifications for RELEASE 5198: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Overall Length: 0.210 INCHES MAXIMUM0.210 INCHES MAXIMUM IN; Semiconductor Material: SILICONSILICON. 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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