PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/384Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-126-3004 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-126-3004 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-126-3004. Primary manufacturer part number: MIL-PRF-19500/384.
Features
  • Transistor — FSC 5961
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-66
  • Test Data Document: 81349-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 Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 2.5 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-126-3004, 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 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-126-3004
Primary Part NumberMIL-PRF-19500/384
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-66
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
Power Rating Per Characteristic2.5 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic500.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 300.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE
Semiconductor MaterialSILICON
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity1 CASE AND 2 PIN
Specification/standard Data81349-MIL-S-19500/384 GOVERNMENT SPECIFICATION
Mounting Facility Quantity2
Overall Diameter0.500 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-272-8477 INTERCHANGEABLE
Transistor
5961-00-406-8722 INTERCHANGEABLE
Transistor
5961-00-468-2765 INTERCHANGEABLE
Transistor
5961-01-216-5321 INTERCHANGEABLE
Transistor
5961-01-328-7414 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/384 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTXV2N3585 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/384 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10133273 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5961-00-272-8477INTERCHANGEABLE
TRANSISTOR
5961-00-406-8722INTERCHANGEABLE
TRANSISTOR
5961-00-468-2765INTERCHANGEABLE
TRANSISTOR
5961-01-216-5321INTERCHANGEABLE
TRANSISTOR
5961-01-328-7414INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-126-3004?

NSN 5961-01-126-3004 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 5961-01-126-3004?

NSN 5961-01-126-3004 has 4 cross-referenced part numbers: MIL-PRF-19500/384 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTXV2N3585 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/384 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10133273 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5961-01-126-3004?

There are 5 known substitutes for 5961-01-126-3004: 5961-00-272-8477, 5961-00-406-8722, 5961-00-468-2765 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/384?

Key specifications for MIL-PRF-19500/384: Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-66; Test Data Document: 81349-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 Configuration: JUNCTION CONTACT; Power Rating Per Characteristic: 2.5 WATTS MAXIMUM TOTAL POWER DISSIPATION. 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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