PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5642Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-185-8559 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-185-8559 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-185-8559. Primary manufacturer part number: 2N5642.
Features
  • Transistor — FSC 5961
  • Mounting Facility Quantity: 1
  • Nominal Thread Size: 0.164 INCHES IN
  • Current Rating Per Characteristic: 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 65.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 35.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Terminal Type and Quantity: 4 PRINTED CIRCUIT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-185-8559, 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 Freescale Semiconductor, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN5961-00-185-8559
Primary Part Number2N5642
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Mounting Facility Quantity1
Nominal Thread Size0.164 INCHES IN
Current Rating Per Characteristic3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic65.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 35.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Type and Quantity4 PRINTED CIRCUIT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Semiconductor MaterialSILICON
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-185-8563 INTERCHANGEABLE
Transistor
5961-01-295-2300NTE360 INTERCHANGEABLE
Transistor
Nte Electronics, Inc
Cross-Reference Index
Part NumberManufacturer
2N5642 Freescale Semiconductor, Inc. (USA)
2N5642A Adelco Elektronik Gmbh (DEU)
CD3437 Varian Associates Inc Communications Transistor Div (USA)
352-0977-020 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MS1406 Microsemi Corp. - Montgomeryville (USA)
3187575-020 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
RELEASE5919 Electronic Industries Association
2N5642 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
2N5642 Stmicroelectronics Inc (USA)
2N5642 Electronic Industries Association
Related Parts
5961-00-185-8563INTERCHANGEABLE
TRANSISTOR
5961-01-295-2300INTERCHANGEABLE
TRANSISTOR
NTE360

Frequently Asked Questions

What is NSN 5961-00-185-8559?

NSN 5961-00-185-8559 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-185-8559?

NSN 5961-00-185-8559 has 10 cross-referenced part numbers: 2N5642 (Freescale Semiconductor, Inc.), 2N5642A (Adelco Elektronik Gmbh), CD3437 (Varian Associates Inc Communications Transistor Div), 352-0977-020 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MS1406 (Microsemi Corp. - Montgomeryville) and 5 more.

What NSN replaces 5961-00-185-8559?

There are 2 known substitutes for 5961-00-185-8559: 5961-00-185-8563, 5961-01-295-2300. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5642?

Key specifications for 2N5642: Mounting Facility Quantity: 1; Nominal Thread Size: 0.164 INCHES IN; Current Rating Per Characteristic: 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Overall Height: 0.710 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 13 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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