PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILT19500-108Semiconductor Device,thyristor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-845-1245 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-845-1245 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-845-1245. Primary manufacturer part number: MILT19500-108.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Specification/standard Data: 81349-MIL-S-19500/108 GOVERNMENT SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS AMBIENT AIR DEGC
  • Current Rating Per Characteristic: 16.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
  • Overall Width Across Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Nominal Thread Size: 0.250 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-845-1245, 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 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-845-1245
Primary Part NumberMILT19500-108
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
Terminal Type and Quantity3 TAB, SOLDER LUG
Specification/standard Data81349-MIL-S-19500/108 GOVERNMENT SPECIFICATION
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Current Rating Per Characteristic16.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Overall Width Across Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Nominal Thread Size0.250 INCHES IN
Semiconductor MaterialSILICON
Mounting Facility Quantity1
Voltage Rating in Volts Per Characteristic2.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 3.0 MAXIMUM GATE TRIGGER VOLTAGE, DC
Mounting MethodTHREADED STUD(S)
Internal ConfigurationJUNCTION CONTACT
Thread Series DesignatorUNF
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.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-459-4005 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-022-755911743570 INTERCHANGEABLE
Semiconductor Device,thyristor
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
MILT19500-108 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N681 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-459-4005INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-022-7559INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
11743570

Frequently Asked Questions

What is NSN 5961-00-845-1245?

NSN 5961-00-845-1245 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 5961-00-845-1245?

NSN 5961-00-845-1245 has 2 cross-referenced part numbers: MILT19500-108 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N681 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-845-1245?

There are 2 known substitutes for 5961-00-845-1245: 5961-00-459-4005, 5961-01-022-7559. Verify interchangeability with system specifications before substitution.

What are the specifications of MILT19500-108?

Key specifications for MILT19500-108: Special Features: INTERNAL JUNCTION CONFIGURATION ARRANGEMENT PNPN; Terminal Type and Quantity: 3 TAB, SOLDER LUG; Specification/standard Data: 81349-MIL-S-19500/108 GOVERNMENT SPECIFICATION; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS AMBIENT AIR DEGC. 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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