PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A5TRANSISTORTransistor

U S Dept of Transportation Federal Aviation Administration · NSN 5961-01-033-2331 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-033-2331 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-033-2331. Primary manufacturer part number: 1A5TRANSISTOR.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 250.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Mounting Facility Quantity: 2
  • Material: CERAMIC ENCLOSURE
  • Terminal Type and Quantity: 4 FERRULE
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
Applications
  • Applications requiring Ceramic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-033-2331, 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 U S Dept of Transportation Federal Aviation Administration. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-033-2331
Primary Part Number1A5TRANSISTOR
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerU S Dept of Transportation Federal Aviation Administration
StatusACTIVE
Current Rating Per Characteristic250.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting Facility Quantity2
MaterialCERAMIC ENCLOSURE
Terminal Type and Quantity4 FERRULE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Power Rating Per Characteristic5.3 WATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-636-553734319 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
1A5TRANSISTOR Acrian Inc (USA)
4038794-0001 Raytheon Company Dba Raytheon Co (USA)
E1E Varian Associates Inc Communications Transistor Div (USA)
1A5TRANSISTOR PRIMARY U S Dept of Transportation Federal Aviation Administration (USA)
Related Parts
5940-00-636-5537INTERCHANGEABLE
SPLICE,CONDUCTOR
34319

Frequently Asked Questions

What is NSN 5961-01-033-2331?

NSN 5961-01-033-2331 is a Transistor, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-033-2331?

NSN 5961-01-033-2331 has 4 cross-referenced part numbers: 1A5TRANSISTOR (Acrian Inc), 4038794-0001 (Raytheon Company Dba Raytheon Co), E1E (Varian Associates Inc Communications Transistor Div), 1A5TRANSISTOR (U S Dept of Transportation Federal Aviation Administration).

What NSN replaces 5961-01-033-2331?

There is 1 known substitute for 5961-01-033-2331: 5940-00-636-5537. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A5TRANSISTOR?

Key specifications for 1A5TRANSISTOR: Current Rating Per Characteristic: 250.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Material: CERAMIC ENCLOSURE. 15 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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