PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N6658Transistor

Siliconix Incorporated Div Siliconix · NSN 5961-01-081-3429 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-081-3429 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-081-3429. Primary manufacturer part number: 2N6658.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Power Rating Per Characteristic: 25.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Internal Configuration: FIELD EFFECT
  • Mounting Facility Quantity: 2
  • Overall Diameter: 0.875 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 1 CASE AND 2 PIN
  • Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM DRAIN CURRENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-081-3429, 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 Siliconix Incorporated Div Siliconix. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-081-3429
Primary Part Number2N6658
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSiliconix Incorporated Div Siliconix
StatusACTIVE
Semiconductor MaterialSILICON
Power Rating Per Characteristic25.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Internal ConfigurationFIELD EFFECT
Mounting Facility Quantity2
Overall Diameter0.875 INCHES MAXIMUM IN
Terminal Type and Quantity1 CASE AND 2 PIN
Current Rating Per Characteristic2.00 AMPERES MAXIMUM DRAIN CURRENT
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic90.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 15.0 MAXIMUM GATE TO SOURCE VOLTAGE
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseDRAIN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Specification/standard Data80131-RELEASE6675 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-01-096-8159 INTERCHANGEABLE
Transistor
5961-01-140-15487849570P001 INTERCHANGEABLE
Transistor
Lockheed Martin Corporation Div Rms
5961-01-145-72552N6659 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
Cross-Reference Index
Part NumberManufacturer
2N6658 Siliconix Incorporated Div Siliconix (USA)
2N6658 Electronic Industries Association
RELEASE6675 Electronic Industries Association
Related Parts
5961-01-096-8159INTERCHANGEABLE
TRANSISTOR
5961-01-140-1548INTERCHANGEABLE
TRANSISTOR
7849570P001
5961-01-145-7255INTERCHANGEABLE
TRANSISTOR
2N6659

Frequently Asked Questions

What is NSN 5961-01-081-3429?

NSN 5961-01-081-3429 is a Transistor, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-081-3429?

NSN 5961-01-081-3429 has 3 cross-referenced part numbers: 2N6658 (Siliconix Incorporated Div Siliconix), 2N6658 (Electronic Industries Association), RELEASE6675 (Electronic Industries Association).

What NSN replaces 5961-01-081-3429?

There are 3 known substitutes for 5961-01-081-3429: 5961-01-096-8159, 5961-01-140-1548, 5961-01-145-7255. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N6658?

Key specifications for 2N6658: Semiconductor Material: SILICON; Power Rating Per Characteristic: 25.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Internal Configuration: FIELD EFFECT; Mounting Facility Quantity: 2. 14 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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