PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/525Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-322-4576 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-322-4576 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-322-4576. Primary manufacturer part number: MIL-PRF-19500/525.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Features Provided: QUALITY ASSURANCE LEVEL TXV AND BURN IN AND HERMETICALLY SEALED CASE
  • Specification/standard Data: 81349-MIL-S-19500/525 GOVERNMENT SPECIFICATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Transfer Ratio: 6.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
  • Semiconductor Material: SILICON
  • 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 5961-01-322-4576, 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 3 commercial cross-references from 1 manufacturer, 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
NSN5961-01-322-4576
Primary Part NumberMIL-PRF-19500/525
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
Internal ConfigurationJUNCTION CONTACT
Features ProvidedQUALITY ASSURANCE LEVEL TXV AND BURN IN AND HERMETICALLY SEALED CASE
Specification/standard Data81349-MIL-S-19500/525 GOVERNMENT SPECIFICATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Transfer Ratio6.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Semiconductor MaterialSILICON
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Voltage Rating in Volts Per Characteristic850.0 MAXIMUM COLLECTOR-TO-EMITTER SUBSTAINING VOLTAGE, WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 400.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 9.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Mounting MethodUNTHREADED HOLE(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
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.).
Mounting Facility Quantity2
Terminal Type and Quantity1 CASE AND 2 PIN
Power Rating Per Characteristic175.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-01-077-5440 INTERCHANGEABLE
Transistor
5961-01-152-0162 INTERCHANGEABLE
Transistor
5961-01-160-6317 INTERCHANGEABLE
Transistor
5961-01-170-2818 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/525 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTXV2N6547 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-077-5440INTERCHANGEABLE
TRANSISTOR
5961-01-152-0162INTERCHANGEABLE
TRANSISTOR
5961-01-160-6317INTERCHANGEABLE
TRANSISTOR
5961-01-170-2818INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-322-4576?

NSN 5961-01-322-4576 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 5961-01-322-4576?

NSN 5961-01-322-4576 has 3 cross-referenced part numbers: MIL-PRF-19500/525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/525 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTXV2N6547 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-322-4576?

There are 4 known substitutes for 5961-01-322-4576: 5961-01-077-5440, 5961-01-152-0162, 5961-01-160-6317 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/525?

Key specifications for MIL-PRF-19500/525: Internal Configuration: JUNCTION CONTACT; Overall Height: 0.350 INCHES NOMINAL IN; Features Provided: QUALITY ASSURANCE LEVEL TXV AND BURN IN AND HERMETICALLY SEALED CASE; Specification/standard Data: 81349-MIL-S-19500/525 GOVERNMENT SPECIFICATION. 19 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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