PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T235A331-2Transistor

Telephonics Corp · NSN 5961-01-299-8456 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-299-8456 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-299-8456. Primary manufacturer part number: T235A331-2.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Mounting Method: TERMINAL
  • Electrode Internally-Electrically Connected to Case: DRAIN
  • Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM DRAIN CURRENT AND 2.00 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT AND 100.00 MILLIAMPERES MAXIMUM REVERSE GATE CURRENT WITH ALL OTHER TERMINALS SHORT-CIRCUIT TO SOURCE, JUNCTION-GATE
  • Power Rating Per Characteristic: 8.33 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-299-8456, 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 Telephonics Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-299-8456
Primary Part NumberT235A331-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelephonics Corp
StatusACTIVE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Mounting MethodTERMINAL
Electrode Internally-Electrically Connected to CaseDRAIN
Current Rating Per Characteristic2.00 AMPERES MAXIMUM DRAIN CURRENT AND 2.00 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT AND 100.00 MILLIAMPERES MAXIMUM REVERSE GATE CURRENT WITH ALL OTHER TERMINALS SHORT-CIRCUIT TO SOURCE, JUNCTION-GATE
Power Rating Per Characteristic8.33 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Features ProvidedBURN IN AND ELECTROSTATIC SENSITIVE
Terminal Length0.500 INCHES MINIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-39
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Internal ConfigurationFIELD EFFECT
Voltage Rating in Volts Per Characteristic35.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 15.0 MAXIMUM FORWARD GATE TO SOURCE VOLTAGE AND -0.3 MAXIMUM REVERSE GATE TO SOURCE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-00-248-5241LM109H INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5961-01-145-72552N6659 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
Cross-Reference Index
Part NumberManufacturer
T235A331-2 Semtech Corporation (USA)
T235A331-2 Siliconix Incorporated Div Siliconix (USA)
T235A331-2 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
T235A331-2 PRIMARY Telephonics Corp (USA)
2N6659 Electronic Industries Association
Related Parts
5962-00-248-5241INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM109H
5961-01-145-7255INTERCHANGEABLE
TRANSISTOR
2N6659

Frequently Asked Questions

What is NSN 5961-01-299-8456?

NSN 5961-01-299-8456 is a Transistor, manufactured by Telephonics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-299-8456?

NSN 5961-01-299-8456 has 5 cross-referenced part numbers: T235A331-2 (Semtech Corporation), T235A331-2 (Siliconix Incorporated Div Siliconix), T235A331-2 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), T235A331-2 (Telephonics Corp), 2N6659 (Electronic Industries Association).

What NSN replaces 5961-01-299-8456?

There are 2 known substitutes for 5961-01-299-8456: 5962-00-248-5241, 5961-01-145-7255. Verify interchangeability with system specifications before substitution.

What are the specifications of T235A331-2?

Key specifications for T235A331-2: Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Mounting Method: TERMINAL; Electrode Internally-Electrically Connected to Case: DRAIN; Overall Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com