PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/538Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-147-2502 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-147-2502 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-147-2502. Primary manufacturer part number: MIL-PRF-19500/538.
Features
  • Transistor — FSC 5961
  • Mounting Method: UNTHREADED HOLE(S)
  • Semiconductor Material: SILICON
  • Features Provided: HERMETICALLY SEALED CASE
  • Specification/standard Data: 81349-MIL-S-19500/538 GOVERNMENT SPECIFICATION
  • Internal Configuration: JUNCTION CONTACT
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Facility Quantity: 2
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-147-2502, 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 3 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
NSN5961-01-147-2502
Primary Part NumberMIL-PRF-19500/538
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
Mounting MethodUNTHREADED HOLE(S)
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Specification/standard Data81349-MIL-S-19500/538 GOVERNMENT SPECIFICATION
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting Facility Quantity2
Terminal Type and Quantity1 CASE AND 2 UNINSULATED WIRE LEAD
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Voltage Rating in Volts Per Characteristic650.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Internal Junction ConfigurationNPN
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.).
Current Rating Per Characteristic5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic6.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-01-170-0548 INTERCHANGEABLE
Transistor
5961-01-193-7305 INTERCHANGEABLE
Transistor
5961-01-388-2943 INTERCHANGEABLE
Transistor
6220-01-478-70182001017-001 INTERCHANGEABLE
Light,dome
Control Products Corporation
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/538 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20-01017-001 Raytheon Company (USA)
JAN2N6678 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/538 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
209285-030 Tdk-Lambda Americas Inc. Div High Power Division (USA)
Related Parts
5961-01-170-0548INTERCHANGEABLE
TRANSISTOR
5961-01-193-7305INTERCHANGEABLE
TRANSISTOR
5961-01-388-2943INTERCHANGEABLE
TRANSISTOR
6220-01-478-7018INTERCHANGEABLE
LIGHT,DOME
2001017-001

Frequently Asked Questions

What is NSN 5961-01-147-2502?

NSN 5961-01-147-2502 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 5961-01-147-2502?

NSN 5961-01-147-2502 has 5 cross-referenced part numbers: MIL-PRF-19500/538 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20-01017-001 (Raytheon Company), JAN2N6678 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/538 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 209285-030 (Tdk-Lambda Americas Inc. Div High Power Division).

What NSN replaces 5961-01-147-2502?

There are 4 known substitutes for 5961-01-147-2502: 5961-01-170-0548, 5961-01-193-7305, 5961-01-388-2943 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/538?

Key specifications for MIL-PRF-19500/538: Mounting Method: UNTHREADED HOLE(S); Semiconductor Material: SILICON; Overall Height: 0.380 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE. 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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