PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MPSA05Transistor

Fairchild Semiconductor Corporation · NSN 5961-00-161-3462 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-161-3462 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-161-3462. Primary manufacturer part number: MPSA05.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.188 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Material: PLASTIC ENCLOSURE
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-161-3462, 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 Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5961-00-161-3462
Primary Part NumberMPSA05
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corporation
StatusACTIVE
Overall Diameter0.188 INCHES NOMINAL IN
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length0.500 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
MaterialPLASTIC ENCLOSURE
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTERMINAL
Power Rating Per Characteristic1.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5841-01-190-290268021 INTERCHANGEABLE
Plate,mounting,electronic Equipm
Msp Aviation, Inc. Dba Msp Maufacturing
Cross-Reference Index
Part NumberManufacturer
MPSA05 Fairchild Semiconductor Corporation (USA)
MPSA05 Freescale Semiconductor, Inc. (USA)
644012 American Monarch Corp (USA)
MPSA05 On Semiconductor Corporation (USA)
644011 American Monarch Corp (USA)
96-5290-01 Bogen Communications Inc (USA)
101000347 Data General Corporation (USA)
Related Parts
5841-01-190-2902INTERCHANGEABLE
PLATE,MOUNTING,ELECTRONIC EQUIPM
68021

Frequently Asked Questions

What is NSN 5961-00-161-3462?

NSN 5961-00-161-3462 is a Transistor, manufactured by Fairchild Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-161-3462?

NSN 5961-00-161-3462 has 7 cross-referenced part numbers: MPSA05 (Fairchild Semiconductor Corporation), MPSA05 (Freescale Semiconductor, Inc.), 644012 (American Monarch Corp), MPSA05 (On Semiconductor Corporation), 644011 (American Monarch Corp) and 2 more.

What NSN replaces 5961-00-161-3462?

There is 1 known substitute for 5961-00-161-3462: 5841-01-190-2902. Verify interchangeability with system specifications before substitution.

What are the specifications of MPSA05?

Key specifications for MPSA05: Overall Diameter: 0.188 INCHES NOMINAL IN; Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Terminal Length: 0.500 INCHES MINIMUM IN; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS. 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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