PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-00866-004Transistor

Raytheon Company · NSN 5961-01-027-0757 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-027-0757 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-027-0757. Primary manufacturer part number: 20-00866-004.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-5
  • Internal Junction Configuration: NPN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-027-0757, 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 Raytheon Company. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-027-0757
Primary Part Number20-00866-004
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-5
Internal Junction ConfigurationNPN
Terminal Length1.500 INCHES MINIMUM IN
Current Rating Per Characteristic800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.370 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodTERMINAL
Power Rating Per Characteristic800.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Transfer Ratio50.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-535-4502247ASC1226-001 INTERCHANGEABLE
Transistor
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5961-00-724-20982459394-2 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-949-1432 INTERCHANGEABLE
Transistor
5961-00-985-9068 INTERCHANGEABLE
Transistor
5961-01-042-3339618-4921-102 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-060-54072N2219A INTERCHANGEABLE
Transistor
National Semiconductor Corporation
5961-01-080-0425L02809 INTERCHANGEABLE
Transistor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5961-01-082-19761854-0637 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
5961-01-102-6554648-5338-003 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-179-3470 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N2219A Fairchild Semiconductor Corp Semiconductor Div Hq (USA)
20-00866-001 Fairchild Semiconductor Corp Semiconductor Div Hq (USA)
20-00866-004 PRIMARY Raytheon Company (USA)
Related Parts
5961-00-535-4502INTERCHANGEABLE
TRANSISTOR
247ASC1226-001
5961-00-724-2098INTERCHANGEABLE
TRANSISTOR
2459394-2
5961-00-949-1432INTERCHANGEABLE
TRANSISTOR
5961-00-985-9068INTERCHANGEABLE
TRANSISTOR
5961-01-042-3339INTERCHANGEABLE
TRANSISTOR
618-4921-102
5961-01-060-5407INTERCHANGEABLE
TRANSISTOR
2N2219A
5961-01-080-0425INTERCHANGEABLE
TRANSISTOR
L02809
5961-01-082-1976INTERCHANGEABLE
TRANSISTOR
1854-0637
5961-01-102-6554INTERCHANGEABLE
TRANSISTOR
648-5338-003
5961-01-179-3470INTERCHANGEABLE
TRANSISTOR
5961-01-272-1466INTERCHANGEABLE
TRANSISTOR
187696-3
5961-01-275-4630INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-027-0757?

NSN 5961-01-027-0757 is a Transistor, manufactured by Raytheon Company, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-027-0757?

NSN 5961-01-027-0757 has 3 cross-referenced part numbers: 2N2219A (Fairchild Semiconductor Corp Semiconductor Div Hq), 20-00866-001 (Fairchild Semiconductor Corp Semiconductor Div Hq), 20-00866-004 (Raytheon Company).

What NSN replaces 5961-01-027-0757?

There are 12 known substitutes for 5961-01-027-0757: 5961-00-535-4502, 5961-00-724-2098, 5961-00-949-1432 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-00866-004?

Key specifications for 20-00866-004: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Features Provided: HERMETICALLY SEALED 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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