PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-726664Transistor

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5961-01-058-7785 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-058-7785 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-058-7785. Primary manufacturer part number: SM-A-726664.
Features
  • Transistor — FSC 5961
  • Test Data Document: 80063-SM-A-726664 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)
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT-DARLINGTON CONNECTED
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-18
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-058-7785, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5961-01-058-7785
Primary Part NumberSM-A-726664
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Test Data Document80063-SM-A-726664 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)
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT-DARLINGTON CONNECTED
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic1.2 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting MethodTERMINAL
Electrode Internally-Electrically Connected to CaseCOLLECTOR
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 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-058-1178 INTERCHANGEABLE
Transistor
5961-00-499-7370301958 INTERCHANGEABLE
Transistor
Northrop Grumman Corp Electronic Systems Defensive System Div
5961-00-887-6118200255-000 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5961-01-098-53172N3947 INTERCHANGEABLE
Transistor
Freescale Semiconductor, Inc.
5961-01-396-20042001106-001 INTERCHANGEABLE
Transistor
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
Cross-Reference Index
Part NumberManufacturer
2N3947 Fairchild Semiconductor Corp (USA)
SM-A-726664 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
S037375 Fairchild Semiconductor Corp (USA)
2N3947 Freescale Semiconductor, Inc. (USA)
2N3947 Solid State Devices, Inc (USA)
2N3947 Texas Instruments Incorporated (USA)
2N3947 Pd&e Electronics, Llc (USA)
SM-A-726664 Semitronics Corp (USA)
Related Parts
5961-00-058-1178INTERCHANGEABLE
TRANSISTOR
5961-00-499-7370INTERCHANGEABLE
TRANSISTOR
301958
5961-00-887-6118INTERCHANGEABLE
TRANSISTOR
200255-000
5961-01-098-5317INTERCHANGEABLE
TRANSISTOR
2N3947
5961-01-396-2004INTERCHANGEABLE
TRANSISTOR
2001106-001

Frequently Asked Questions

What is NSN 5961-01-058-7785?

NSN 5961-01-058-7785 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 5961-01-058-7785?

NSN 5961-01-058-7785 has 8 cross-referenced part numbers: 2N3947 (Fairchild Semiconductor Corp), SM-A-726664 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), S037375 (Fairchild Semiconductor Corp), 2N3947 (Freescale Semiconductor, Inc.), 2N3947 (Solid State Devices, Inc) and 3 more.

What NSN replaces 5961-01-058-7785?

There are 5 known substitutes for 5961-01-058-7785: 5961-00-058-1178, 5961-00-499-7370, 5961-00-887-6118 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-726664?

Key specifications for SM-A-726664: Test Data Document: 80063-SM-A-726664 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); Semiconductor Material: SILICON; Internal Configuration: JUNCTION CONTACT-DARLINGTON CONNECTED; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN. 17 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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