PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/402Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-444-3243 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-444-3243 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-444-3243. Primary manufacturer part number: MIL-PRF-19500/402.
Features
  • Transistor — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/402 GOVERNMENT SPECIFICATION
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: UNTHREADED HOLE(S)
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Facility Quantity: 2
  • Power Rating Per Characteristic: 20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 0.50 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-444-3243, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-444-3243
Primary Part NumberMIL-PRF-19500/402
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
StatusCANCELLED
Specification/standard Data81349-MIL-S-19500/402 GOVERNMENT SPECIFICATION
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting Facility Quantity2
Power Rating Per Characteristic20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic0.50 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Voltage Rating in Volts Per Characteristic325.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 300.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Terminal Type and Quantity2 PIN AND 1 CASE
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 StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-00-439-3749 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/402 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
472-1335-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
JANTX2N3739 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N3739 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/402 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5961PL1257858 Jednolity Indeks Materialowy - Uniform Material Index (POL)
538326-2 Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-439-3749INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-444-3243?

NSN 5961-00-444-3243 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: cancelled.

What are the part numbers for NSN 5961-00-444-3243?

NSN 5961-00-444-3243 has 7 cross-referenced part numbers: MIL-PRF-19500/402 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 472-1335-001 (The Boeing Company Div Legacy Boeing Hb1), JANTX2N3739 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N3739 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/402 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5961-00-444-3243?

There is 1 known substitute for 5961-00-444-3243: 5961-00-439-3749. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/402?

Key specifications for MIL-PRF-19500/402: Specification/standard Data: 81349-MIL-S-19500/402 GOVERNMENT SPECIFICATION; Features Provided: HERMETICALLY SEALED CASE; Mounting Method: UNTHREADED HOLE(S); Overall Width: 0.700 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-444-3243 still in active supply?

NSN 5961-00-444-3243 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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