PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4901Transistor

On Semiconductor Corporation · NSN 5961-00-488-7376 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-488-7376 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-488-7376. Primary manufacturer part number: 2N4901.
Features
  • Transistor — FSC 5961
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Power Rating Per Characteristic: 87.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Mounting Facility Quantity: 2
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Overall Diameter: 0.875 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-488-7376, 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 On Semiconductor Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-488-7376
Primary Part Number2N4901
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerOn Semiconductor Corporation
StatusCANCELLED
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Power Rating Per Characteristic87.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting Facility Quantity2
Current Rating Per Characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.875 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 1 CASE
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
Internal ConfigurationJUNCTION CONTACT
Specification/standard Data80131-RELEASE5443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Mounting MethodUNTHREADED HOLE(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5961-00-107-0736 INTERCHANGEABLE
Transistor
5961-00-404-5599 INTERCHANGEABLE
Transistor
5961-00-407-0189 INTERCHANGEABLE
Transistor
5961-00-408-0519 INTERCHANGEABLE
Transistor
5961-00-436-0953 INTERCHANGEABLE
Transistor
5961-00-456-90342N4900 INTERCHANGEABLE
Transistor
Microsemi Corp - Massachusetts
5961-00-465-42482N4898 INTERCHANGEABLE
Transistor
Semitronics Corp
5961-00-473-1861537221-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-494-4961 INTERCHANGEABLE
Transistor
5961-00-627-0275 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N4901 On Semiconductor Corporation (USA)
2N4901 Freescale Semiconductor, Inc. (USA)
531334-001 Raytheon Company Dba Raytheon Co (USA)
RELEASE5443 Electronic Industries Association
2N4901 Fairchild Semiconductor Corp (USA)
99061359 Thales Sa (FRA)
2N4901 Texas Instruments Incorporated (USA)
Q0279 Emcore Corporation Div Concord Division (USA)
2N4901 Electronic Industries Association
531334-001 Raytheon Company Div Corp (USA)
2N4901 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N4901 Newark Electronics Corporation Dba Newark (USA)
2N4901 Solitron Devices, Inc. (USA)
2N4901 Csr Industries Inc (USA)
2N4901 Solid State Devices, Inc (USA)
Related Parts
5961-00-107-0736INTERCHANGEABLE
TRANSISTOR
5961-00-404-5599INTERCHANGEABLE
TRANSISTOR
5961-00-407-0189INTERCHANGEABLE
TRANSISTOR
5961-00-408-0519INTERCHANGEABLE
TRANSISTOR
5961-00-436-0953INTERCHANGEABLE
TRANSISTOR
5961-00-456-9034INTERCHANGEABLE
TRANSISTOR
2N4900
5961-00-465-4248INTERCHANGEABLE
TRANSISTOR
2N4898
5961-00-473-1861INTERCHANGEABLE
TRANSISTOR
537221-1
5961-00-494-4961INTERCHANGEABLE
TRANSISTOR
5961-00-627-0275INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-488-7376?

NSN 5961-00-488-7376 is a Transistor, manufactured by On Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-488-7376?

NSN 5961-00-488-7376 has 15 cross-referenced part numbers: 2N4901 (On Semiconductor Corporation), 2N4901 (Freescale Semiconductor, Inc.), 531334-001 (Raytheon Company Dba Raytheon Co), RELEASE5443 (Electronic Industries Association), 2N4901 (Fairchild Semiconductor Corp) and 10 more.

What NSN replaces 5961-00-488-7376?

There are 10 known substitutes for 5961-00-488-7376: 5961-00-107-0736, 5961-00-404-5599, 5961-00-407-0189 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4901?

Key specifications for 2N4901: Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Electrode Internally-Electrically Connected to Case: COLLECTOR; Power Rating Per Characteristic: 87.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Mounting Facility Quantity: 2. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-488-7376 still in active supply?

NSN 5961-00-488-7376 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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