PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4125Transistor

Adelco Elektronik Gmbh · NSN 5961-00-269-2242 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-269-2242 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-269-2242. Primary manufacturer part number: 2N4125.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-269-2242, 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 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-269-2242
Primary Part Number2N4125
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusACTIVE
Mounting MethodTERMINAL
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Length0.500 INCHES MINIMUM IN
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-92
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 2.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
MaterialPLASTIC ENCLOSURE
Specification/standard Data80131-RELEASE5306 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-356-2493 INTERCHANGEABLE
Post,binding,electrical
5961-00-422-3466 INTERCHANGEABLE
Transistor
5961-00-828-07232N4126 INTERCHANGEABLE
Transistor
Solitron Devices, Inc.
5961-00-840-4826 INTERCHANGEABLE
Transistor
5961-01-255-0065 INTERCHANGEABLE
Transistor
5961-01-269-309412048-0015 INTERCHANGEABLE
Transistor
Honeywell International Inc Dba Honeywell
5330-01-273-22942004-125 INTERCHANGEABLE
Seal,plain
Bal Seal Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
2N4125 Adelco Elektronik Gmbh (DEU)
2N4125 Freescale Semiconductor, Inc. (USA)
101000003 Data General Corporation (USA)
2112-0003 Fluke Biomedical Corporation (USA)
2N4125 Motorola (uk Sales) Ltd (motorola Semiconductors Group) (GBR)
2N4125 Electronic Industries Association
RELEASE5306 Electronic Industries Association
2N4125A Adelco Elektronik Gmbh (DEU)
200-4125 Ddc Pertec Peripherals Corp (USA)
804136 Nai Technologies Inc (USA)
2N4125 Lacon Electronic Gmbh (DEU)
A615797 Nai Technologies Inc (USA)
A804182 Nai Technologies Inc (USA)
Related Parts
5940-00-356-2493INTERCHANGEABLE
POST,BINDING,ELECTRICAL
5961-00-422-3466INTERCHANGEABLE
TRANSISTOR
5961-00-828-0723INTERCHANGEABLE
TRANSISTOR
2N4126
5961-00-840-4826INTERCHANGEABLE
TRANSISTOR
5961-01-255-0065INTERCHANGEABLE
TRANSISTOR
5961-01-269-3094INTERCHANGEABLE
TRANSISTOR
12048-0015
5330-01-273-2294INTERCHANGEABLE
SEAL,PLAIN
2004-125

Frequently Asked Questions

What is NSN 5961-00-269-2242?

NSN 5961-00-269-2242 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 5961-00-269-2242?

NSN 5961-00-269-2242 has 13 cross-referenced part numbers: 2N4125 (Adelco Elektronik Gmbh), 2N4125 (Freescale Semiconductor, Inc.), 101000003 (Data General Corporation), 2112-0003 (Fluke Biomedical Corporation), 2N4125 (Motorola (uk Sales) Ltd (motorola Semiconductors Group)) and 8 more.

What NSN replaces 5961-00-269-2242?

There are 7 known substitutes for 5961-00-269-2242: 5940-00-356-2493, 5961-00-422-3466, 5961-00-828-0723 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4125?

Key specifications for 2N4125: Mounting Method: TERMINAL; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Internal Configuration: JUNCTION CONTACT; Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN. 16 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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