PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N1725Transistor

Semitronics Corp · NSN 5961-00-018-1926 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-018-1926 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-018-1926. Primary manufacturer part number: 2N1725.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.687 INCHES MAXIMUM IN
  • Semiconductor Material: SILICON
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Nominal Thread Size: 0.250 INCHES IN
  • Internal Configuration: JUNCTION CONTACT
  • Specification/standard Data: 80131-RELEASE4254 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Mounting Facility Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-018-1926, 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 Semitronics Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-018-1926
Primary Part Number2N1725
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusACTIVE
Overall Diameter0.687 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Nominal Thread Size0.250 INCHES IN
Internal ConfigurationJUNCTION CONTACT
Specification/standard Data80131-RELEASE4254 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Terminal Type and Quantity3 TAB, SOLDER LUG
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic50.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM EMITTER CURRENT, DC
Thread Series DesignatorUNF
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-61
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 10.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-724-8066 INTERCHANGEABLE
Transistor
5961-00-900-4815 INTERCHANGEABLE
Transistor
5935-00-924-9637 INTERCHANGEABLE
Connector,receptacle,electrical
5961-00-984-2271 INTERCHANGEABLE
Transistor
5130-01-348-9390J7326M INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
2N1725 Electronic Industries Association
019-004872 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
2N1725 Freescale Semiconductor, Inc. (USA)
47226 Hamilton Standard Electronics Systems Inc Tele-Dynamics Div (USA)
2N1725 Texas Instruments Incorporated (USA)
2N1725 PRIMARY Semitronics Corp (USA)
RELEASE4254 Electronic Industries Association
2N1725 Solid State Inc (USA)
Related Parts
5961-00-724-8066INTERCHANGEABLE
TRANSISTOR
5961-00-900-4815INTERCHANGEABLE
TRANSISTOR
5935-00-924-9637INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5961-00-984-2271INTERCHANGEABLE
TRANSISTOR
5130-01-348-9390INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J7326M

Frequently Asked Questions

What is NSN 5961-00-018-1926?

NSN 5961-00-018-1926 is a Transistor, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-018-1926?

NSN 5961-00-018-1926 has 8 cross-referenced part numbers: 2N1725 (Electronic Industries Association), 019-004872 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 2N1725 (Freescale Semiconductor, Inc.), 47226 (Hamilton Standard Electronics Systems Inc Tele-Dynamics Div), 2N1725 (Texas Instruments Incorporated) and 3 more.

What NSN replaces 5961-00-018-1926?

There are 5 known substitutes for 5961-00-018-1926: 5961-00-724-8066, 5961-00-900-4815, 5935-00-924-9637 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N1725?

Key specifications for 2N1725: Overall Diameter: 0.687 INCHES MAXIMUM IN; Semiconductor Material: SILICON; Electrode Internally-Electrically Connected to Case: COLLECTOR; Overall Length: 1.196 INCHES NOMINAL IN. 18 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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