PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99003-2N1800TXSemiconductor Device,thyristor

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings) · NSN 5961-01-203-9475 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-203-9475 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-203-9475. Primary manufacturer part number: 99003-2N1800TX.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Specification/standard Data: 81349-MIL-PRF-19500 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-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.).
  • Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 600.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 720.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
  • Power Rating Per Characteristic: 0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Mounting Facility Quantity: 1
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • 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 5961-01-203-9475, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings). Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5961-01-203-9475
Primary Part Number99003-2N1800TX
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
StatusCANCELLED
Specification/standard Data81349-MIL-PRF-19500 GOVERNMENT SPECIFICATION
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.).
Voltage Rating in Volts Per Characteristic600.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 600.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 720.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Power Rating Per Characteristic0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting Facility Quantity1
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic50.00 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE
Overall Width Across Flats1.227 INCHES MAXIMUM IN
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 THREADED STUD
Internal ConfigurationJUNCTION CONTACT
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-83
Mounting MethodTHREADED STUD(S)
Thread Series DesignatorUNF
Nominal Thread Size0.500 INCHES IN
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-051-6156 INTERCHANGEABLE
Semiconductor Device,thyristor
3590-00-058-183799005 INTERCHANGEABLE
Barber Kit
Apopka Beauty & Barber Supply, Inc. Dba Apopka Beauty & Barber
5815-00-126-771699003 INTERCHANGEABLE
Bar,type
Telemechanics Inc
6220-00-147-0033 INTERCHANGEABLE
Panel,indicating,light Transmitt
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.
Cross-Reference Index
Part NumberManufacturer
JANTX2N1800 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/204 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
99003 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings) (USA)
99003-2N1800TX PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings) (USA)
Related Parts
5961-00-051-6156INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
3590-00-058-1837INTERCHANGEABLE
BARBER KIT
99005
5815-00-126-7716INTERCHANGEABLE
BAR,TYPE
99003
6220-00-147-0033INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
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

Frequently Asked Questions

What is NSN 5961-01-203-9475?

NSN 5961-01-203-9475 is a Semiconductor Device,thyristor, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings), classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-203-9475?

NSN 5961-01-203-9475 has 4 cross-referenced part numbers: JANTX2N1800 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/204 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 99003 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)), 99003-2N1800TX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)).

What NSN replaces 5961-01-203-9475?

There are 12 known substitutes for 5961-01-203-9475: 5961-00-051-6156, 3590-00-058-1837, 5815-00-126-7716 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99003-2N1800TX?

Key specifications for 99003-2N1800TX: Specification/standard Data: 81349-MIL-PRF-19500 GOVERNMENT SPECIFICATION; Test Data Document: 81349-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.).; Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 600.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE AND 720.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE; Overall Length: 1.810 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-203-9475 still in active supply?

NSN 5961-01-203-9475 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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