PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN2N3999Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-760-0746 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-760-0746 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-760-0746. Primary manufacturer part number: JAN2N3999.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Overall Width Across Flats: 0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 30.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Method: THREADED STUD(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-760-0746, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-760-0746
Primary Part NumberJAN2N3999
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
Current Rating Per Characteristic10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Overall Width Across Flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Power Rating Per Characteristic30.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodTHREADED STUD(S)
Overall Diameter0.370 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Thread Series DesignatorUNF
Semiconductor MaterialSILICON
Mounting Facility Quantity1
Specification/standard Data81349-MIL-S-19500/374 GOVERNMENT SPECIFICATION
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.).
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 WIRE HOOK
Nominal Thread Size0.190 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5961-00-006-7175 INTERCHANGEABLE
Transistor
5961-00-054-5284 INTERCHANGEABLE
Transistor
5961-00-189-0640 INTERCHANGEABLE
Transistor
5961-00-333-9413 INTERCHANGEABLE
Transistor
5961-00-419-5360 INTERCHANGEABLE
Transistor
5961-00-433-5729533837-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-484-7734 INTERCHANGEABLE
Transistor
5961-01-121-6695 INTERCHANGEABLE
Transistor
5961-01-226-6063 INTERCHANGEABLE
Transistor
5961-01-235-2204 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
JAN2N3999 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N3999 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N3999 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
538128-4 Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-006-7175INTERCHANGEABLE
TRANSISTOR
5961-00-054-5284INTERCHANGEABLE
TRANSISTOR
5961-00-189-0640INTERCHANGEABLE
TRANSISTOR
5961-00-333-9413INTERCHANGEABLE
TRANSISTOR
5961-00-419-5360INTERCHANGEABLE
TRANSISTOR
5961-00-433-5729INTERCHANGEABLE
TRANSISTOR
533837-1
5961-00-484-7734INTERCHANGEABLE
TRANSISTOR
5961-01-121-6695INTERCHANGEABLE
TRANSISTOR
5961-01-226-6063INTERCHANGEABLE
TRANSISTOR
5961-01-235-2204INTERCHANGEABLE
TRANSISTOR
5961-01-359-3125INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-760-0746?

NSN 5961-00-760-0746 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 5961-00-760-0746?

NSN 5961-00-760-0746 has 6 cross-referenced part numbers: JAN2N3999 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N3999 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N3999 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5961-00-760-0746?

There are 11 known substitutes for 5961-00-760-0746: 5961-00-006-7175, 5961-00-054-5284, 5961-00-189-0640 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN2N3999?

Key specifications for JAN2N3999: Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Overall Width Across Flats: 0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Power Rating Per Characteristic: 30.0 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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