PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N1049ATransistor

New Jersey Semi-Conductor Products, Inc. · NSN 5961-00-226-8694 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-226-8694 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-226-8694. Primary manufacturer part number: 2N1049A.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
  • 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.).
  • Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 10.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Semiconductor Material: SILICON
  • Mounting Method: THREADED STUD(S)
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-226-8694, 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 New Jersey Semi-Conductor Products, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
NSN5961-00-226-8694
Primary Part Number2N1049A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNew Jersey Semi-Conductor Products, Inc.
StatusCANCELLED
Overall Diameter0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM 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.).
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 10.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICON
Mounting MethodTHREADED STUD(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Specification/standard Data81349-MIL-S-19500/176 GOVERNMENT SPECIFICATION
Nominal Thread Size0.138 INCHES IN
Mounting Facility Quantity1
Internal ConfigurationJUNCTION CONTACT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Power Rating Per Characteristic40.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-052-4114 INTERCHANGEABLE
Transistor
5961-00-061-8172 INTERCHANGEABLE
Transistor
5961-00-226-8695 INTERCHANGEABLE
Transistor
5961-00-892-3652 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/176 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N1049A Silicon Transistor Corporation Dba Same (USA)
J549 Texas Instruments Incorporated (USA)
JAN2N1049A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RELEASE2992 Electronic Industries Association
2N1049A PRIMARY New Jersey Semi-Conductor Products, Inc. (USA)
2N1049A Electronic Industries Association
10049567-3 Us Army Aviation and Missile Command (USA)
Related Parts
5961-00-052-4114INTERCHANGEABLE
TRANSISTOR
5961-00-061-8172INTERCHANGEABLE
TRANSISTOR
5961-00-226-8695INTERCHANGEABLE
TRANSISTOR
5961-00-892-3652INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-226-8694?

NSN 5961-00-226-8694 is a Transistor, manufactured by New Jersey Semi-Conductor Products, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-226-8694?

NSN 5961-00-226-8694 has 8 cross-referenced part numbers: MIL-S-19500/176 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N1049A (Silicon Transistor Corporation Dba Same), J549 (Texas Instruments Incorporated), JAN2N1049A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RELEASE2992 (Electronic Industries Association) and 3 more.

What NSN replaces 5961-00-226-8694?

There are 4 known substitutes for 5961-00-226-8694: 5961-00-052-4114, 5961-00-061-8172, 5961-00-226-8695 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N1049A?

Key specifications for 2N1049A: Overall Diameter: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; 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.).; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Length: 1.740 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-226-8694 still in active supply?

NSN 5961-00-226-8694 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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