PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN2N3737ATransistor

Adelco Elektronik Gmbh · NSN 5961-00-421-9581 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-421-9581 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-421-9581. Primary manufacturer part number: JAN2N3737A.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Specification/standard Data: 81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-421-9581, 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 Adelco Elektronik Gmbh. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-421-9581
Primary Part NumberJAN2N3737A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusCANCELLED
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Specification/standard Data81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Circle Diameter0.100 INCHES NOMINAL IN
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.).
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
Terminal Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic1.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5961-00-247-5921 INTERCHANGEABLE
Transistor
5961-00-408-3809 INTERCHANGEABLE
Transistor
5961-01-010-3255 INTERCHANGEABLE
Transistor
5961-01-102-6556 INTERCHANGEABLE
Transistor
5961-01-235-3285 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
JAN2N3737A Adelco Elektronik Gmbh (DEU)
JAN2N3737 Lacon Electronic Gmbh (DEU)
JAN2N3737 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS19500-395 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B4013197 Department of the Army Hq United States Army Communications Research and Development Command (USA)
JAN2N3737 Adelco Elektronik Gmbh (DEU)
5961PL0929843 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5961-00-247-5921INTERCHANGEABLE
TRANSISTOR
5961-00-408-3809INTERCHANGEABLE
TRANSISTOR
5961-01-010-3255INTERCHANGEABLE
TRANSISTOR
5961-01-102-6556INTERCHANGEABLE
TRANSISTOR
5961-01-235-3285INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-421-9581?

NSN 5961-00-421-9581 is a Transistor, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-421-9581?

NSN 5961-00-421-9581 has 7 cross-referenced part numbers: JAN2N3737A (Adelco Elektronik Gmbh), JAN2N3737 (Lacon Electronic Gmbh), JAN2N3737 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILS19500-395 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B4013197 (Department of the Army Hq United States Army Communications Research and Development Command) and 2 more.

What NSN replaces 5961-00-421-9581?

There are 5 known substitutes for 5961-00-421-9581: 5961-00-247-5921, 5961-00-408-3809, 5961-01-010-3255 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN2N3737A?

Key specifications for JAN2N3737A: Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: SILICON; Internal Configuration: JUNCTION CONTACT. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-421-9581 still in active supply?

NSN 5961-00-421-9581 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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