PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

343103Transistor

Fluke Corp · NSN 5961-01-012-9313 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-012-9313 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-012-9313. Primary manufacturer part number: 343103.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-012-9313, 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 Fluke Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-012-9313
Primary Part Number343103
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFluke Corp
StatusACTIVE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Internal ConfigurationFIELD EFFECT
Overall Diameter0.222 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-404-5537 INTERCHANGEABLE
Transistor
5365-00-473-4736343103 INTERCHANGEABLE
Plug,machine Thread
Eaton Aerospace, Llc Dba Jackson South
5340-00-521-537116W290 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5940-00-685-897710-507-2-01 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
5340-00-991-3872343101 INTERCHANGEABLE
Shield,expansion
The Lee Co Dba the Lee Co
6515-01-727-8080343103 INTERCHANGEABLE
Filiform,urethral
Teleflex Medical Incorporated Dba Teleflex Medical Inc
Cross-Reference Index
Part NumberManufacturer
2N5078 Telcom Semiconductor Inc (USA)
U 2547 E Telcom Semiconductor Inc (USA)
343103 PRIMARY Fluke Corp (USA)
343101 Fluke Corp (USA)
Related Parts
5961-00-404-5537INTERCHANGEABLE
TRANSISTOR
5365-00-473-4736INTERCHANGEABLE
PLUG,MACHINE THREAD
343103
5340-00-521-5371INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
16W290
5940-00-685-8977INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-507-2-01
5340-00-991-3872INTERCHANGEABLE
SHIELD,EXPANSION
343101
6515-01-727-8080INTERCHANGEABLE
FILIFORM,URETHRAL
343103

Frequently Asked Questions

What is NSN 5961-01-012-9313?

NSN 5961-01-012-9313 is a Transistor, manufactured by Fluke Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-012-9313?

NSN 5961-01-012-9313 has 4 cross-referenced part numbers: 2N5078 (Telcom Semiconductor Inc), U 2547 E (Telcom Semiconductor Inc), 343103 (Fluke Corp), 343101 (Fluke Corp).

What NSN replaces 5961-01-012-9313?

There are 6 known substitutes for 5961-01-012-9313: 5961-00-404-5537, 5365-00-473-4736, 5340-00-521-5371 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 343103?

Key specifications for 343103: Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Semiconductor Material: SILICON; Mounting Method: TERMINAL; Features Provided: HERMETICALLY SEALED CASE. 12 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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