PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MPSL08Transistor

Fairchild Semiconductor Corp · NSN 5961-00-946-6635 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-946-6635 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-946-6635. Primary manufacturer part number: MPSL08.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: SILICON
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Mounting Method: TERMINAL
  • Material: PLASTIC ENCLOSURE
  • Voltage Rating in Volts Per Characteristic: 12.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 12.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-946-6635, 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 Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-946-6635
Primary Part NumberMPSL08
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
MaterialPLASTIC ENCLOSURE
Voltage Rating in Volts Per Characteristic12.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 12.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 4.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic80.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-192-25931853-0244 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
4930-00-494-0900 INTERCHANGEABLE
Lubricator,airline
5961-00-599-8829 INTERCHANGEABLE
Transistor
5961-01-141-8594 INTERCHANGEABLE
Transistor
8115-01-606-6526101000051 INTERCHANGEABLE
Case Set,transport and Storage
Drs Signal Solutions, Inc
Cross-Reference Index
Part NumberManufacturer
MPSL08 Fairchild Semiconductor Corp (USA)
226290 Fluke Corp (USA)
MPS3640 Freescale Semiconductor, Inc. (USA)
101000051 Data General Corporation (USA)
4902-00-0080 Wavetek U S Inc Div of Wavetek Corp (USA)
SB4021-00 Thomson Inc Div Grass Valley (USA)
28431-767E Trescal Limited (GBR)
151-0199-00 Tektronix, Inc. (USA)
L08 Fairchild Semiconductor Corp (USA)
L08 Freescale Semiconductor, Inc. (USA)
SPS6866K Freescale Semiconductor, Inc. (USA)
1400185-25 Raytheon Technical Services Company (USA)
2001-36400 Chauvin Arnoux Energy (FRA)
Related Parts
5961-00-192-2593INTERCHANGEABLE
TRANSISTOR
1853-0244
4930-00-494-0900INTERCHANGEABLE
LUBRICATOR,AIRLINE
5961-00-599-8829INTERCHANGEABLE
TRANSISTOR
5961-01-141-8594INTERCHANGEABLE
TRANSISTOR
8115-01-606-6526INTERCHANGEABLE
CASE SET,TRANSPORT AND STORAGE
101000051

Frequently Asked Questions

What is NSN 5961-00-946-6635?

NSN 5961-00-946-6635 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-946-6635?

NSN 5961-00-946-6635 has 13 cross-referenced part numbers: MPSL08 (Fairchild Semiconductor Corp), 226290 (Fluke Corp), MPS3640 (Freescale Semiconductor, Inc.), 101000051 (Data General Corporation), 4902-00-0080 (Wavetek U S Inc Div of Wavetek Corp) and 8 more.

What NSN replaces 5961-00-946-6635?

There are 5 known substitutes for 5961-00-946-6635: 5961-00-192-2593, 4930-00-494-0900, 5961-00-599-8829 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MPSL08?

Key specifications for MPSL08: Overall Height: 0.185 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: SILICON. 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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