PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MPS6531Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-043-4288 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-043-4288 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-043-4288. Primary manufacturer part number: MPS6531.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Terminal Circle Diameter: 0.105 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Mounting Method: TERMINAL
  • Current Rating Per Characteristic: 600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-043-4288, 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 Freescale Semiconductor, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-043-4288
Primary Part NumberMPS6531
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Circle Diameter0.105 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
Current Rating Per Characteristic600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length0.500 INCHES MINIMUM IN
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5305-00-068-5276MS16995-9 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4940-00-410-046210000-600 INTERCHANGEABLE
Shop Equipment,electrical Equipm
Drs Environmental Systems Inc
5961-00-478-2348 INTERCHANGEABLE
Transistor
5930-00-978-9008 INTERCHANGEABLE
Switch,sensitive
5961-00-978-9667 INTERCHANGEABLE
Transistor
5961-01-344-44131854-0730 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
MPS6531 Freescale Semiconductor, Inc. (USA)
10000600 Digitec Corp (USA)
MPS6531 On Semiconductor Corporation (USA)
MPS6531 Bell and Howell Co Audio-Visual Products Div (USA)
MPS6531 Motorola Inc. Dba Integrated Information Systems Group (USA)
2N3643 Freescale Semiconductor, Inc. (USA)
MPS6531B Freescale Semiconductor, Inc. (USA)
Related Parts
5305-00-068-5276INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS16995-9
4940-00-410-0462INTERCHANGEABLE
SHOP EQUIPMENT,ELECTRICAL EQUIPM
10000-600
5961-00-478-2348INTERCHANGEABLE
TRANSISTOR
5930-00-978-9008INTERCHANGEABLE
SWITCH,SENSITIVE
5961-00-978-9667INTERCHANGEABLE
TRANSISTOR
5961-01-344-4413INTERCHANGEABLE
TRANSISTOR
1854-0730

Frequently Asked Questions

What is NSN 5961-00-043-4288?

NSN 5961-00-043-4288 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-043-4288?

NSN 5961-00-043-4288 has 7 cross-referenced part numbers: MPS6531 (Freescale Semiconductor, Inc.), 10000600 (Digitec Corp), MPS6531 (On Semiconductor Corporation), MPS6531 (Bell and Howell Co Audio-Visual Products Div), MPS6531 (Motorola Inc. Dba Integrated Information Systems Group) and 2 more.

What NSN replaces 5961-00-043-4288?

There are 6 known substitutes for 5961-00-043-4288: 5305-00-068-5276, 4940-00-410-0462, 5961-00-478-2348 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MPS6531?

Key specifications for MPS6531: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Features Provided: HERMETICALLY SEALED CASE; Electrode Internally-Electrically Connected to Case: COLLECTOR; Terminal Circle Diameter: 0.105 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-043-4288 still in active supply?

NSN 5961-00-043-4288 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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