PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4027Transistor

Fairchild Semiconductor Corp · NSN 5961-00-489-6692 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-489-6692 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-489-6692. Primary manufacturer part number: 2N4027.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 500.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Specification/standard Data: 80131-RELEASE5174 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-489-6692, 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 Fairchild Semiconductor Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-489-6692
Primary Part Number2N4027
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Mounting MethodTERMINAL
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length0.500 INCHES MINIMUM IN
Specification/standard Data80131-RELEASE5174 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Overall Diameter0.230 INCHES MAXIMUM IN
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Current Rating Per Characteristic1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-054-0265 INTERCHANGEABLE
Transistor
5961-00-075-9018723088-4 INTERCHANGEABLE
Transistor
Raytheon Company Div Rmd Strategic
5961-00-103-7676 INTERCHANGEABLE
Transistor
5961-00-124-5019 INTERCHANGEABLE
Transistor
5961-00-199-4101 INTERCHANGEABLE
Semiconductor Devices,unitized
5961-00-434-89982N3963 INTERCHANGEABLE
Transistor
Osi Optoelectronics, Inc Dba Semicoa
5961-00-494-60592N4035 INTERCHANGEABLE
Transistor
Semitronics Corp
5961-00-876-6345 INTERCHANGEABLE
Transistor
5961-00-938-7412 INTERCHANGEABLE
Transistor
5961-00-982-0408 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N4027 Fairchild Semiconductor Corp (USA)
2N4027 Solid State Devices, Inc (USA)
2N4027 Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
2N4027 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N4027 Electronic Industries Association
352-0754-020 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
2N4027 Semelab Limited (GBR)
RELEASE5174 Electronic Industries Association
Related Parts
5961-00-054-0265INTERCHANGEABLE
TRANSISTOR
5961-00-075-9018INTERCHANGEABLE
TRANSISTOR
723088-4
5961-00-103-7676INTERCHANGEABLE
TRANSISTOR
5961-00-124-5019INTERCHANGEABLE
TRANSISTOR
5961-00-199-4101INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-00-434-8998INTERCHANGEABLE
TRANSISTOR
2N3963
5961-00-494-6059INTERCHANGEABLE
TRANSISTOR
2N4035
5961-00-876-6345INTERCHANGEABLE
TRANSISTOR
5961-00-938-7412INTERCHANGEABLE
TRANSISTOR
5961-00-982-0408INTERCHANGEABLE
TRANSISTOR
5961-01-012-1917INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-01-055-8602INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED

Frequently Asked Questions

What is NSN 5961-00-489-6692?

NSN 5961-00-489-6692 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-489-6692?

NSN 5961-00-489-6692 has 8 cross-referenced part numbers: 2N4027 (Fairchild Semiconductor Corp), 2N4027 (Solid State Devices, Inc), 2N4027 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), 2N4027 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 2N4027 (Electronic Industries Association) and 3 more.

What NSN replaces 5961-00-489-6692?

There are 12 known substitutes for 5961-00-489-6692: 5961-00-054-0265, 5961-00-075-9018, 5961-00-103-7676 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4027?

Key specifications for 2N4027: Internal Configuration: JUNCTION CONTACT; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Mounting Method: TERMINAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-489-6692 still in active supply?

NSN 5961-00-489-6692 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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