PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MPS-A66Transistor

Semitronics Corp · NSN 5961-00-146-8293 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-146-8293 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-146-8293. Primary manufacturer part number: MPS-A66.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE, WITH BASE SHORT-CIRCUITED TO EMITTER AND 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 1.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Material: PLASTIC ENCLOSURE
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-146-8293, 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 Semitronics Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-146-8293
Primary Part NumberMPS-A66
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusACTIVE
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE, WITH BASE SHORT-CIRCUITED TO EMITTER AND 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Power Rating Per Characteristic1.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
MaterialPLASTIC ENCLOSURE
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1620-00-309-1456528048 INTERCHANGEABLE
Diaphragm,shock Str
Goodrich Corporation
4720-00-624-4060 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MPS-A66 General Electric Co Semi-Conductor Products Dept (USA)
528048 Boonton Electronics Corporation Div Boonton Electronics (USA)
MPS-A66 Freescale Semiconductor, Inc. (USA)
MPS-A66 Powerex, Inc. (USA)
MPS-A66 PRIMARY Semitronics Corp (USA)
Related Parts
1620-00-309-1456INTERCHANGEABLE
DIAPHRAGM,SHOCK STR
528048
4720-00-624-4060INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 5961-00-146-8293?

NSN 5961-00-146-8293 is a Transistor, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-146-8293?

NSN 5961-00-146-8293 has 5 cross-referenced part numbers: MPS-A66 (General Electric Co Semi-Conductor Products Dept), 528048 (Boonton Electronics Corporation Div Boonton Electronics), MPS-A66 (Freescale Semiconductor, Inc.), MPS-A66 (Powerex, Inc.), MPS-A66 (Semitronics Corp).

What NSN replaces 5961-00-146-8293?

There are 2 known substitutes for 5961-00-146-8293: 1620-00-309-1456, 4720-00-624-4060. Verify interchangeability with system specifications before substitution.

What are the specifications of MPS-A66?

Key specifications for MPS-A66: Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE, WITH BASE SHORT-CIRCUITED TO EMITTER AND 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Mounting Method: TERMINAL; Overall Width: 0.205 INCHES MAXIMUM IN. 14 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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