PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/204Semiconductor Device,thyristor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-158-9124 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-158-9124 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-158-9124. Primary manufacturer part number: MIL-S-19500/204.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Thread Series Designator: UNF
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • 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.).
  • Mounting Facility Quantity: 1
  • Overall Width Across Flats: 1.062 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG AND 1 THREADED STUD
  • Current Rating Per Characteristic: 50.00 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-158-9124, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5961-01-158-9124
Primary Part NumberMIL-S-19500/204
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Series DesignatorUNF
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
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.).
Mounting Facility Quantity1
Overall Width Across Flats1.062 INCHES MAXIMUM IN
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 THREADED STUD
Current Rating Per Characteristic50.00 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE
Voltage Rating in Volts Per Characteristic35.0 MAXIMUM OFF-STATE VOLTAGE, RMS TOTAL AND 50.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 50.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 75.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Mounting MethodTHREADED STUD(S)
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-94
Internal ConfigurationJUNCTION CONTACT
Specification/standard Data81349-MIL-S-19500/204 GOVERNMENT SPECIFICATION
Nominal Thread Size0.500 INCHES IN
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-051-6156 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-165-299999003-2N1793 INTERCHANGEABLE
Semiconductor Device,thyristor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5961-00-189-1511 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-226-86982N1916 INTERCHANGEABLE
Semiconductor Device,thyristor
Powerex, Inc.
5961-00-491-6348 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-029-7519 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-031-72792N1792 INTERCHANGEABLE
Semiconductor Device,thyristor
Powerex, Inc.
5961-01-034-223299003-2N1911TX INTERCHANGEABLE
Semiconductor Device,thyristor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5961-01-072-858499003-2N1913TX INTERCHANGEABLE
Semiconductor Device,thyristor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5961-01-094-81882N1798 INTERCHANGEABLE
Semiconductor Device,thyristor
Powerex, Inc.
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/204 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N1910 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-051-6156INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-165-2999INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1793
5961-00-189-1511INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-226-8698INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
2N1916
5961-00-491-6348INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-029-7519INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-031-7279INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
2N1792
5961-01-034-2232INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1911TX
5961-01-072-8584INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1913TX
5961-01-094-8188INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
2N1798
5961-01-102-2877INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1795TX
5961-01-151-6001INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1793TX

Frequently Asked Questions

What is NSN 5961-01-158-9124?

NSN 5961-01-158-9124 is a Semiconductor Device,thyristor, 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 5961-01-158-9124?

NSN 5961-01-158-9124 has 2 cross-referenced part numbers: MIL-S-19500/204 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N1910 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-158-9124?

There are 12 known substitutes for 5961-01-158-9124: 5961-00-051-6156, 5961-00-165-2999, 5961-00-189-1511 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/204?

Key specifications for MIL-S-19500/204: Thread Series Designator: UNF; Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION; 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.).; Mounting Facility Quantity: 1. 18 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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