PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS19500-433Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-020-3655 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-020-3655 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-020-3655. Primary manufacturer part number: MILS19500-433.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 115.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: -7.50 AMPERES MAXIMUM BASE CURRENT, DC AND -20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Configuration: JUNCTION CONTACT
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Specification/standard Data: 81349-MIL-S-19500/433 GOVERNMENT SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-020-3655, 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 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-020-3655
Primary Part NumberMILS19500-433
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
Power Rating Per Characteristic115.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic-7.50 AMPERES MAXIMUM BASE CURRENT, DC AND -20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Specification/standard Data81349-MIL-S-19500/433 GOVERNMENT SPECIFICATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.875 INCHES MAXIMUM IN
Mounting Facility Quantity2
Internal Junction ConfigurationPNP
Voltage Rating in Volts Per Characteristic-80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Type and Quantity2 PIN AND 1 CASE
Mounting MethodUNTHREADED HOLE(S)
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.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-269-5648 INTERCHANGEABLE
Transistor
5961-00-584-1769 INTERCHANGEABLE
Transistor
5961-00-931-7052 INTERCHANGEABLE
Transistor
5961-01-115-8267 INTERCHANGEABLE
Transistor
5961-01-123-2967 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MILS19500-433 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N5745 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-269-5648INTERCHANGEABLE
TRANSISTOR
5961-00-584-1769INTERCHANGEABLE
TRANSISTOR
5961-00-931-7052INTERCHANGEABLE
TRANSISTOR
5961-01-115-8267INTERCHANGEABLE
TRANSISTOR
5961-01-123-2967INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-020-3655?

NSN 5961-01-020-3655 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 5961-01-020-3655?

NSN 5961-01-020-3655 has 2 cross-referenced part numbers: MILS19500-433 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N5745 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-020-3655?

There are 5 known substitutes for 5961-01-020-3655: 5961-00-269-5648, 5961-00-584-1769, 5961-00-931-7052 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS19500-433?

Key specifications for MILS19500-433: Power Rating Per Characteristic: 115.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Current Rating Per Characteristic: -7.50 AMPERES MAXIMUM BASE CURRENT, DC AND -20.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Internal Configuration: JUNCTION CONTACT; Electrode Internally-Electrically Connected to Case: COLLECTOR. 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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