PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SES576Semiconductor Device,thyristor

Semitronics Corp · NSN 5961-01-381-9009 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-381-9009 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-381-9009. Primary manufacturer part number: SES576.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC
  • Mounting Facility Quantity: 1
  • Semiconductor Material: SILICON
  • Nuclear Hardness Critical Feature: HARDENED
  • 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.).
  • Specification/standard Data: 81349-MIL-S-19500/203 GOVERNMENT SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-381-9009, 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 Semitronics Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5961-01-381-9009
Primary Part NumberSES576
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusACTIVE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Mounting Facility Quantity1
Semiconductor MaterialSILICON
Nuclear Hardness Critical FeatureHARDENED
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.).
Specification/standard Data81349-MIL-S-19500/203 GOVERNMENT SPECIFICATION
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Nominal Thread Size0.500 INCHES IN
Terminal Type and Quantity3 INSULATED WIRE LEAD W/TERMINAL LUG
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Thread Series DesignatorUNF
Current Rating Per Characteristic70.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-115-8469 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-353-869568-7076-02 INTERCHANGEABLE
Semiconductor Device,thyristor
Infineon Technologies Americas Corp
Cross-Reference Index
Part NumberManufacturer
JAN2N2025 Infineon Technologies Americas Corp (USA)
SES576 PRIMARY Semitronics Corp (USA)
12931090 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
5961-00-115-8469INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-353-8695INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
68-7076-02

Frequently Asked Questions

What is NSN 5961-01-381-9009?

NSN 5961-01-381-9009 is a Semiconductor Device,thyristor, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-381-9009?

NSN 5961-01-381-9009 has 3 cross-referenced part numbers: JAN2N2025 (Infineon Technologies Americas Corp), SES576 (Semitronics Corp), 12931090 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 5961-01-381-9009?

There are 2 known substitutes for 5961-01-381-9009: 5961-00-115-8469, 5961-01-353-8695. Verify interchangeability with system specifications before substitution.

What are the specifications of SES576?

Key specifications for SES576: Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Overall Length: 1.750 INCHES MAXIMUM IN; Mounting Facility Quantity: 1; Semiconductor Material: SILICON. 17 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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