PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/509Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-180-4075 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-180-4075 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-180-4075. Primary manufacturer part number: MIL-PRF-19500/509.
Features
  • Transistor — FSC 5961
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3
  • Features Provided: HERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL TX
  • Specification/standard Data: 81349-MIL-S-19500/509 GOVERNMENT SPECIFICATION
  • Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 25.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 200.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Method: UNTHREADED HOLE(S)
  • Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-180-4075, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-180-4075
Primary Part NumberMIL-PRF-19500/509
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Features ProvidedHERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL TX
Specification/standard Data81349-MIL-S-19500/509 GOVERNMENT SPECIFICATION
Current Rating Per Characteristic10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 25.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic200.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Transfer Ratio120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Terminal Type and Quantity2 PIN AND 1 CASE
Semiconductor MaterialSILICON
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.).
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Mounting Facility Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-01-083-8870 INTERCHANGEABLE
Transistor
5961-01-128-3805 INTERCHANGEABLE
Transistor
5961-01-139-0332 INTERCHANGEABLE
Transistor
5961-01-210-8895 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/509 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N6338 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/509 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
99194444 Thales Dms France SAS (FRA)
9919444 Thales Dms France SAS (FRA)
Related Parts
5961-01-083-8870INTERCHANGEABLE
TRANSISTOR
5961-01-128-3805INTERCHANGEABLE
TRANSISTOR
5961-01-139-0332INTERCHANGEABLE
TRANSISTOR
5961-01-210-8895INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-180-4075?

NSN 5961-01-180-4075 is a Transistor, 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 5961-01-180-4075?

NSN 5961-01-180-4075 has 5 cross-referenced part numbers: MIL-PRF-19500/509 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N6338 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/509 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 99194444 (Thales Dms France SAS), 9919444 (Thales Dms France SAS).

What NSN replaces 5961-01-180-4075?

There are 4 known substitutes for 5961-01-180-4075: 5961-01-083-8870, 5961-01-128-3805, 5961-01-139-0332 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/509?

Key specifications for MIL-PRF-19500/509: Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3; Features Provided: HERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL TX; Specification/standard Data: 81349-MIL-S-19500/509 GOVERNMENT SPECIFICATION; Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 25.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC. 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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