PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5556Transistor

Electronic Industries Association · NSN 5961-00-431-3246 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-431-3246 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-431-3246. Primary manufacturer part number: 2N5556.
Features
  • Transistor — FSC 5961
  • 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.).
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
  • Specification/standard Data: 81349-MIL-S-19500/375 GOVERNMENT SPECIFICATION
  • Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 50.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND -50.0 MAXIMUM GATE TO SOURCE VOLTAGE
  • Terminal Circle Diameter: 0.100 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 5961-00-431-3246, 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 Electronic Industries Association. Government technical data includes 13 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-431-3246
Primary Part Number2N5556
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
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.).
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Specification/standard Data81349-MIL-S-19500/375 GOVERNMENT SPECIFICATION
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 50.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND -50.0 MAXIMUM GATE TO SOURCE VOLTAGE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Internal ConfigurationFIELD EFFECT
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-104-8426 INTERCHANGEABLE
Transistor
5961-00-121-4996 INTERCHANGEABLE
Transistor
5961-00-329-5357 INTERCHANGEABLE
Transistor
5961-00-517-9415 INTERCHANGEABLE
Transistor
5961-00-520-5617 INTERCHANGEABLE
Transistor
5961-01-023-3436 INTERCHANGEABLE
Transistor
5961-01-346-7575 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N5556 Electronic Industries Association
2605701-632 Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
L01920 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MIL-PRF-19500/375 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/375 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N3821 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N3821 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-104-8426INTERCHANGEABLE
TRANSISTOR
5961-00-121-4996INTERCHANGEABLE
TRANSISTOR
5961-00-329-5357INTERCHANGEABLE
TRANSISTOR
5961-00-517-9415INTERCHANGEABLE
TRANSISTOR
5961-00-520-5617INTERCHANGEABLE
TRANSISTOR
5961-01-023-3436INTERCHANGEABLE
TRANSISTOR
5961-01-346-7575INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-431-3246?

NSN 5961-00-431-3246 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-431-3246?

NSN 5961-00-431-3246 has 7 cross-referenced part numbers: 2N5556 (Electronic Industries Association), 2605701-632 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), L01920 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MIL-PRF-19500/375 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/375 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5961-00-431-3246?

There are 7 known substitutes for 5961-00-431-3246: 5961-00-104-8426, 5961-00-121-4996, 5961-00-329-5357 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5556?

Key specifications for 2N5556: 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.).; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Specification/standard Data: 81349-MIL-S-19500/375 GOVERNMENT SPECIFICATION; Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-431-3246 still in active supply?

NSN 5961-00-431-3246 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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