PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N1798Semiconductor Device,thyristor

Powerex, Inc. · NSN 5961-01-094-8188 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-094-8188 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-094-8188. Primary manufacturer part number: 2N1798.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Thread Series Designator: UNF
  • Voltage Rating in Volts Per Characteristic: 280.0 MAXIMUM OFF-STATE VOLTAGE, RMS TOTAL AND 10.0 MAXIMUM OFF-STATE VOLTAGE, PEAK AND 5.0 MAXIMUM GATE VOLTAGE, DC
  • Mounting Facility Quantity: 1
  • Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM PEAK POSITIVE GATE CURRENT
  • Nominal Thread Size: 0.500 INCHES IN
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 INSULATED WIRE LEAD W/TERMINAL LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-094-8188, 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 Powerex, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-094-8188
Primary Part Number2N1798
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerPowerex, Inc.
StatusCANCELLED
Thread Series DesignatorUNF
Voltage Rating in Volts Per Characteristic280.0 MAXIMUM OFF-STATE VOLTAGE, RMS TOTAL AND 10.0 MAXIMUM OFF-STATE VOLTAGE, PEAK AND 5.0 MAXIMUM GATE VOLTAGE, DC
Mounting Facility Quantity1
Current Rating Per Characteristic2.00 AMPERES MAXIMUM PEAK POSITIVE GATE CURRENT
Nominal Thread Size0.500 INCHES IN
Semiconductor MaterialSILICON
Terminal Type and Quantity3 INSULATED WIRE LEAD W/TERMINAL LUG
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Test Data Document81349-MIL-PRF-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.).
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-PRF-19500 GOVERNMENT SPECIFICATION
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
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)
5961-01-102-287799003-2N1795TX INTERCHANGEABLE
Semiconductor Device,thyristor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
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
JAN2N1798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N1798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
99003-2N1798TX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings) (USA)
2N1798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N1798 PRIMARY Powerex, Inc. (USA)
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
5961-01-102-2877INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1795TX
5961-01-151-6001INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
99003-2N1793TX
5961-01-158-9124INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-01-094-8188?

NSN 5961-01-094-8188 is a Semiconductor Device,thyristor, manufactured by Powerex, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-094-8188?

NSN 5961-01-094-8188 has 6 cross-referenced part numbers: MIL-S-19500/204 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N1798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N1798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 99003-2N1798TX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)), 2N1798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5961-01-094-8188?

There are 12 known substitutes for 5961-01-094-8188: 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 2N1798?

Key specifications for 2N1798: Thread Series Designator: UNF; Voltage Rating in Volts Per Characteristic: 280.0 MAXIMUM OFF-STATE VOLTAGE, RMS TOTAL AND 10.0 MAXIMUM OFF-STATE VOLTAGE, PEAK AND 5.0 MAXIMUM GATE VOLTAGE, DC; Mounting Facility Quantity: 1; Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM PEAK POSITIVE GATE CURRENT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-094-8188 still in active supply?

NSN 5961-01-094-8188 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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