PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/510Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-126-3001 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-126-3001 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-126-3001. Primary manufacturer part number: MIL-PRF-19500/510.
Features
  • Transistor — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/510 GOVERNMENT SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 375.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 275.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Power Rating Per Characteristic: 6.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Facility Quantity: 2
  • Overall Diameter: 0.875 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC
  • 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 5961-01-126-3001, 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 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-126-3001
Primary Part NumberMIL-PRF-19500/510
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-19500/510 GOVERNMENT SPECIFICATION
Voltage Rating in Volts Per Characteristic375.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 275.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Power Rating Per Characteristic6.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting Facility Quantity2
Overall Diameter0.875 INCHES MAXIMUM IN
Current Rating Per Characteristic10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC
Features ProvidedHERMETICALLY SEALED 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.).
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Terminal Type and Quantity1 CASE AND 2 UNINSULATED WIRE LEAD
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-01-006-9442 INTERCHANGEABLE
Transistor
5961-01-057-0188 INTERCHANGEABLE
Transistor
5961-01-079-9112 INTERCHANGEABLE
Transistor
5961-01-145-2426 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/510 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N6250 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N6250 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N6250 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
Related Parts
5961-01-006-9442INTERCHANGEABLE
TRANSISTOR
5961-01-057-0188INTERCHANGEABLE
TRANSISTOR
5961-01-079-9112INTERCHANGEABLE
TRANSISTOR
5961-01-145-2426INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-126-3001?

NSN 5961-01-126-3001 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 5961-01-126-3001?

NSN 5961-01-126-3001 has 4 cross-referenced part numbers: MIL-PRF-19500/510 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N6250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N6250 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N6250 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group).

What NSN replaces 5961-01-126-3001?

There are 4 known substitutes for 5961-01-126-3001: 5961-01-006-9442, 5961-01-057-0188, 5961-01-079-9112 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/510?

Key specifications for MIL-PRF-19500/510: Specification/standard Data: 81349-MIL-S-19500/510 GOVERNMENT SPECIFICATION; Voltage Rating in Volts Per Characteristic: 375.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 275.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Power Rating Per Characteristic: 6.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Mounting Facility Quantity: 2. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-126-3001 still in active supply?

NSN 5961-01-126-3001 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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