PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-726661Transistor

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5961-01-058-7786 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-058-7786 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-058-7786. Primary manufacturer part number: SM-A-726661.
Features
  • Transistor — FSC 5961
  • Internal Configuration: UNIJUNCTION
  • Material: PLASTIC ENCLOSURE
  • Test Data Document: 80063-SM-A-726661 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Voltage Rating in Volts Per Characteristic: 35.0 MAXIMUM INTERBASE VOLTAGE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-058-7786, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5961-01-058-7786
Primary Part NumberSM-A-726661
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Internal ConfigurationUNIJUNCTION
MaterialPLASTIC ENCLOSURE
Test Data Document80063-SM-A-726661 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Voltage Rating in Volts Per Characteristic35.0 MAXIMUM INTERBASE VOLTAGE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Semiconductor MaterialSILICON
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-433-5809 INTERCHANGEABLE
Transistor
5961-01-158-1119635-50-29 INTERCHANGEABLE
Transistor
Beseler, Charles Co Inc
Cross-Reference Index
Part NumberManufacturer
SM-A-726661 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2N4871 Freescale Semiconductor, Inc. (USA)
SU231H Freescale Semiconductor, Inc. (USA)
SU231H On Semiconductor Corporation (USA)
2N4871 Texas Instruments Incorporated (USA)
Related Parts
5961-00-433-5809INTERCHANGEABLE
TRANSISTOR
5961-01-158-1119INTERCHANGEABLE
TRANSISTOR
635-50-29

Frequently Asked Questions

What is NSN 5961-01-058-7786?

NSN 5961-01-058-7786 is a Transistor, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-058-7786?

NSN 5961-01-058-7786 has 5 cross-referenced part numbers: SM-A-726661 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 2N4871 (Freescale Semiconductor, Inc.), SU231H (Freescale Semiconductor, Inc.), SU231H (On Semiconductor Corporation), 2N4871 (Texas Instruments Incorporated).

What NSN replaces 5961-01-058-7786?

There are 2 known substitutes for 5961-01-058-7786: 5961-00-433-5809, 5961-01-158-1119. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-726661?

Key specifications for SM-A-726661: Internal Configuration: UNIJUNCTION; Overall Height: 0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN; Overall Length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Material: PLASTIC ENCLOSURE. 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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