PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4261Transistor

Adelco Elektronik Gmbh · NSN 5961-00-411-1937 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-411-1937 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-411-1937. Primary manufacturer part number: 2N4261.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Semiconductor Material: SILICON
  • Specification/standard Data: 80131-RELEASE5238 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-411-1937, 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 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-411-1937
Primary Part Number2N4261
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusACTIVE
Overall Diameter0.230 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Specification/standard Data80131-RELEASE5238 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Length0.500 INCHES MINIMUM IN
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-062-3131 INTERCHANGEABLE
Transistor
5961-00-104-5855 INTERCHANGEABLE
Transistor
5961-00-106-3711131551-00 INTERCHANGEABLE
Transistor
Televideo, Inc.
5961-00-241-3420 INTERCHANGEABLE
Transistor
5961-00-488-7362 INTERCHANGEABLE
Transistor
5961-00-883-6386 INTERCHANGEABLE
Transistor
5961-01-009-4956 INTERCHANGEABLE
Transistor
5961-01-266-7905 INTERCHANGEABLE
Transistor
5310-01-553-594323AX332 INTERCHANGEABLE
Nut,self-Locking,castellated,hex
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
Cross-Reference Index
Part NumberManufacturer
2N4261 Adelco Elektronik Gmbh (DEU)
207056P1 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
2N4261 Electronic Industries Association
2N4261A Adelco Elektronik Gmbh (DEU)
RELEASE5238 Electronic Industries Association
151-0434-00 Tektronix, Inc. (USA)
2N4261 Freescale Semiconductor, Inc. (USA)
10000960 Digitec Corp (USA)
Related Parts
5961-00-062-3131INTERCHANGEABLE
TRANSISTOR
5961-00-104-5855INTERCHANGEABLE
TRANSISTOR
5961-00-106-3711INTERCHANGEABLE
TRANSISTOR
131551-00
5961-00-241-3420INTERCHANGEABLE
TRANSISTOR
5961-00-488-7362INTERCHANGEABLE
TRANSISTOR
5961-00-883-6386INTERCHANGEABLE
TRANSISTOR
5961-01-009-4956INTERCHANGEABLE
TRANSISTOR
5961-01-266-7905INTERCHANGEABLE
TRANSISTOR
5310-01-553-5943INTERCHANGEABLE
NUT,SELF-LOCKING,CASTELLATED,HEX
23AX332

Frequently Asked Questions

What is NSN 5961-00-411-1937?

NSN 5961-00-411-1937 is a Transistor, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-411-1937?

NSN 5961-00-411-1937 has 8 cross-referenced part numbers: 2N4261 (Adelco Elektronik Gmbh), 207056P1 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 2N4261 (Electronic Industries Association), 2N4261A (Adelco Elektronik Gmbh), RELEASE5238 (Electronic Industries Association) and 3 more.

What NSN replaces 5961-00-411-1937?

There are 9 known substitutes for 5961-00-411-1937: 5961-00-062-3131, 5961-00-104-5855, 5961-00-106-3711 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4261?

Key specifications for 2N4261: Overall Length: 0.210 INCHES MAXIMUM IN; Overall Diameter: 0.230 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP. 14 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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