PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/542Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-235-4122 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-235-4122 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-235-4122. Primary manufacturer part number: MIL-PRF-19500/542.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 75.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Method: UNTHREADED HOLE(S)
  • Semiconductor Material: SILICON
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 200.0 MAXIMUM DRAIN TO SOURCE VOLTAGE
  • Specification/standard Data: 81349-MIL-S-19500/542 GOVERNMENT SPECIFICATION
  • Mounting Facility Quantity: 2
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-235-4122, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-235-4122
Primary Part NumberMIL-PRF-19500/542
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Power Rating Per Characteristic75.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting MethodUNTHREADED HOLE(S)
Semiconductor MaterialSILICON
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 200.0 MAXIMUM DRAIN TO SOURCE VOLTAGE
Specification/standard Data81349-MIL-S-19500/542 GOVERNMENT SPECIFICATION
Mounting Facility Quantity2
Features ProvidedHERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL S
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Internal ConfigurationFIELD EFFECT
Current Rating Per Characteristic9.00 AMPERES MAXIMUM DRAIN CURRENT AND 9.00 AMPERES MAXIMUM SOURCE CURRENT AND 15.00 AMPERES MAXIMUM OFF-STATE CURRENT, PEAK
Terminal Type and Quantity2 PIN AND 1 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-01-160-8805 INTERCHANGEABLE
Transistor
5961-01-165-0452 INTERCHANGEABLE
Transistor
5961-01-166-7878 INTERCHANGEABLE
Transistor
5961-01-176-6655 INTERCHANGEABLE
Transistor
5961-01-177-9149 INTERCHANGEABLE
Transistor
5961-01-199-0383 INTERCHANGEABLE
Transistor
5961-01-203-1177 INTERCHANGEABLE
Transistor
5961-01-262-5990 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/542 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/542 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANS2N6758 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-160-8805INTERCHANGEABLE
TRANSISTOR
5961-01-165-0452INTERCHANGEABLE
TRANSISTOR
5961-01-166-7878INTERCHANGEABLE
TRANSISTOR
5961-01-176-6655INTERCHANGEABLE
TRANSISTOR
5961-01-177-9149INTERCHANGEABLE
TRANSISTOR
5961-01-199-0383INTERCHANGEABLE
TRANSISTOR
5961-01-203-1177INTERCHANGEABLE
TRANSISTOR
5961-01-262-5990INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-235-4122?

NSN 5961-01-235-4122 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-235-4122?

NSN 5961-01-235-4122 has 3 cross-referenced part numbers: MIL-PRF-19500/542 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/542 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANS2N6758 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-235-4122?

There are 8 known substitutes for 5961-01-235-4122: 5961-01-160-8805, 5961-01-165-0452, 5961-01-166-7878 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/542?

Key specifications for MIL-PRF-19500/542: Power Rating Per Characteristic: 75.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Mounting Method: UNTHREADED HOLE(S); Overall Length: 1.573 INCHES MAXIMUM IN; Semiconductor Material: SILICON. 16 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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