PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN2N6661Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-098-4480 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-098-4480 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-098-4480. Primary manufacturer part number: JAN2N6661.
Features
  • Transistor — FSC 5961
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Internal Configuration: FIELD EFFECT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.359 INCHES NOMINAL IN
  • Electrode Internally-Electrically Connected to Case: DRAIN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-098-4480, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-098-4480
Primary Part NumberJAN2N6661
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
Terminal Length0.500 INCHES MINIMUM IN
Internal ConfigurationFIELD EFFECT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.359 INCHES NOMINAL IN
Electrode Internally-Electrically Connected to CaseDRAIN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Current Rating Per Characteristic2.00 AMPERES NOMINAL DRAIN CURRENT AND 2.00 MILLIAMPERES NOMINAL GATE CURRENT
Voltage Rating in Volts Per Characteristic90.0 NOMINAL DRAIN TO SOURCE VOLTAGE AND 15.0 NOMINAL GATE TO SOURCE VOLTAGE
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic6.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
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.).
Specification/standard Data81349-MIL-S-19500/547 GOVERNMENT SPECIFICATION
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Joint Electronic Device Engineering Council/jedec/case Outline DesignationT0-39
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-01-030-8676 INTERCHANGEABLE
Transistor
5961-01-084-2583 INTERCHANGEABLE
Transistor
5961-01-096-8159 INTERCHANGEABLE
Transistor
5961-01-107-0705808382-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-01-187-8068 INTERCHANGEABLE
Transistor
5961-01-188-6384 INTERCHANGEABLE
Transistor
5961-01-188-8563 INTERCHANGEABLE
Transistor
5961-01-290-5597 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
JAN2N6661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2139943G002 L3harris Technologies, Inc. (USA)
2N6661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N6661 Siliconix Incorporated Div Siliconix (USA)
149C259H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MIL-S-19500/547 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/547 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-030-8676INTERCHANGEABLE
TRANSISTOR
5961-01-084-2583INTERCHANGEABLE
TRANSISTOR
5961-01-096-8159INTERCHANGEABLE
TRANSISTOR
5961-01-107-0705INTERCHANGEABLE
TRANSISTOR
808382-1
5961-01-187-8068INTERCHANGEABLE
TRANSISTOR
5961-01-188-6384INTERCHANGEABLE
TRANSISTOR
5961-01-188-8563INTERCHANGEABLE
TRANSISTOR
5961-01-290-5597INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-098-4480?

NSN 5961-01-098-4480 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 5961-01-098-4480?

NSN 5961-01-098-4480 has 7 cross-referenced part numbers: JAN2N6661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2139943G002 (L3harris Technologies, Inc.), 2N6661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N6661 (Siliconix Incorporated Div Siliconix), 149C259H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 2 more.

What NSN replaces 5961-01-098-4480?

There are 8 known substitutes for 5961-01-098-4480: 5961-01-030-8676, 5961-01-084-2583, 5961-01-096-8159 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN2N6661?

Key specifications for JAN2N6661: Terminal Length: 0.500 INCHES MINIMUM IN; Internal Configuration: FIELD EFFECT; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Overall Diameter: 0.359 INCHES NOMINAL IN. 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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