PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/511Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-009-4956 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-009-4956 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-009-4956. Primary manufacturer part number: MIL-PRF-19500/511.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
  • 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.).
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Length: 0.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-009-4956, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 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
NSN5961-01-009-4956
Primary Part NumberMIL-PRF-19500/511
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
Overall Diameter0.230 INCHES MAXIMUM IN
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
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.).
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length0.500 INCHES NOMINAL IN
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Specification/standard Data81349-MIL-S-19500/511 GOVERNMENT SPECIFICATION
Voltage Rating in Volts Per Characteristic15.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-411-1937 INTERCHANGEABLE
Transistor
5961-01-181-4823 INTERCHANGEABLE
Transistor
5961-01-235-3268 INTERCHANGEABLE
Transistor
5961-01-645-7683 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/511 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N4261 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/511 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
200973-701 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
JAN2N4261 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5280047-00 Eip Microwave Inc (USA)
2N4261 Freescale Semiconductor, Inc. (USA)
BP11119 Burke Products Inc (USA)
JTX2N4261 Freescale Semiconductor, Inc. (USA)
SS2931H6 Freescale Semiconductor, Inc. (USA)
772452-1 Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-411-1937INTERCHANGEABLE
TRANSISTOR
5961-01-181-4823INTERCHANGEABLE
TRANSISTOR
5961-01-235-3268INTERCHANGEABLE
TRANSISTOR
5961-01-645-7683INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-009-4956?

NSN 5961-01-009-4956 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 5961-01-009-4956?

NSN 5961-01-009-4956 has 11 cross-referenced part numbers: MIL-PRF-19500/511 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N4261 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/511 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 200973-701 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), JAN2N4261 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5961-01-009-4956?

There are 4 known substitutes for 5961-01-009-4956: 5961-00-411-1937, 5961-01-181-4823, 5961-01-235-3268 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/511?

Key specifications for MIL-PRF-19500/511: Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD; 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.).; Semiconductor Material: SILICON. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-009-4956 still in active supply?

NSN 5961-01-009-4956 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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