PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5057Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-484-8020 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-484-8020 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-484-8020. Primary manufacturer part number: 2N5057.
Features
  • Transistor — FSC 5961
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Specification/standard Data: 80131-RELEASE5544 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-484-8020, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-484-8020
Primary Part Number2N5057
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusCANCELLED
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASE
Specification/standard Data80131-RELEASE5544 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Length0.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodTERMINAL
Overall Diameter0.230 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic15.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5961-00-993-2502 INTERCHANGEABLE
Transistor
5961-01-087-2106 INTERCHANGEABLE
Transistor
4820-01-273-3259 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
2N5057 Freescale Semiconductor, Inc. (USA)
405011 American Telephone and Telegraph Co (USA)
2N5057 Fairchild Semiconductor Corp (USA)
RELEASE5544 Electronic Industries Association
2N5057 Electronic Industries Association
2N5057 Ministry of Defence, De&s Air Defence Electronic Warfare Systems (adews Dt) (GBR)
Related Parts
5961-00-993-2502INTERCHANGEABLE
TRANSISTOR
5961-01-087-2106INTERCHANGEABLE
TRANSISTOR
4820-01-273-3259INTERCHANGEABLE
VALVE,GLOBE

Frequently Asked Questions

What is NSN 5961-00-484-8020?

NSN 5961-00-484-8020 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-484-8020?

NSN 5961-00-484-8020 has 6 cross-referenced part numbers: 2N5057 (Freescale Semiconductor, Inc.), 405011 (American Telephone and Telegraph Co), 2N5057 (Fairchild Semiconductor Corp), RELEASE5544 (Electronic Industries Association), 2N5057 (Electronic Industries Association) and 1 more.

What NSN replaces 5961-00-484-8020?

There are 3 known substitutes for 5961-00-484-8020: 5961-00-993-2502, 5961-01-087-2106, 4820-01-273-3259. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5057?

Key specifications for 2N5057: Electrode Internally-Electrically Connected to Case: COLLECTOR; Overall Length: 0.210 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Specification/standard Data: 80131-RELEASE5544 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-484-8020 still in active supply?

NSN 5961-00-484-8020 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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