PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T235A398-1Transistor

Telephonics Corp · NSN 5961-01-229-7012 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-229-7012 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-229-7012. Primary manufacturer part number: T235A398-1.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Terminal Type and Quantity: 2 PIN AND 1 CASE
  • Mounting Facility Quantity: 2
  • Power Rating Per Characteristic: 50.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-66
  • Current Rating Per Characteristic: 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 80.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-229-7012, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-229-7012
Primary Part NumberT235A398-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelephonics Corp
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Type and Quantity2 PIN AND 1 CASE
Mounting Facility Quantity2
Power Rating Per Characteristic50.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-66
Current Rating Per Characteristic4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 80.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
Internal ConfigurationJUNCTION CONTACT-DARLINGTON CONNECTED
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Test Data Document78711-T235A398 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-232-02062N6296 INTERCHANGEABLE
Transistor
Freescale Semiconductor, Inc.
5961-01-075-0426T061-005-0002 INTERCHANGEABLE
Transistor
L3harris Interstate Electronics Corporation
5961-01-097-20212N6296 INTERCHANGEABLE
Transistor
Semiconductor Technology, Inc. Dba Semiconductor Technology Inc
5961-01-501-603010101402-101 INTERCHANGEABLE
Transistor
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
T235A398-1 PRIMARY Telephonics Corp (USA)
2N6296 Electronic Industries Association
T235A398-1 Silicon Transistor Corporation Dba Same (USA)
Related Parts
5961-00-232-0206INTERCHANGEABLE
TRANSISTOR
2N6296
5961-01-075-0426INTERCHANGEABLE
TRANSISTOR
T061-005-0002
5961-01-097-2021INTERCHANGEABLE
TRANSISTOR
2N6296
5961-01-501-6030INTERCHANGEABLE
TRANSISTOR
10101402-101

Frequently Asked Questions

What is NSN 5961-01-229-7012?

NSN 5961-01-229-7012 is a Transistor, manufactured by Telephonics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-229-7012?

NSN 5961-01-229-7012 has 3 cross-referenced part numbers: T235A398-1 (Telephonics Corp), 2N6296 (Electronic Industries Association), T235A398-1 (Silicon Transistor Corporation Dba Same).

What NSN replaces 5961-01-229-7012?

There are 4 known substitutes for 5961-01-229-7012: 5961-00-232-0206, 5961-01-075-0426, 5961-01-097-2021 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T235A398-1?

Key specifications for T235A398-1: Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Features Provided: HERMETICALLY SEALED CASE; Electrode Internally-Electrically Connected to Case: COLLECTOR; Terminal Type and Quantity: 2 PIN AND 1 CASE. 17 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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