PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SG9811Transistor

Texas Instruments Incorporated · NSN 5961-00-107-0621 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-107-0621 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-107-0621. Primary manufacturer part number: SG9811.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
  • Test Data Document: 03640-6083758 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)03640-6083758 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)
  • Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Voltage Rating in Volts Per Characteristic: -40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN-4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Precious Material: GOLDGOLD
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-107-0621, 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 Texas Instruments Incorporated. Government technical data includes 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-107-0621
Primary Part NumberSG9811
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Terminal Circle Diameter0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
Test Data Document03640-6083758 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)03640-6083758 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)
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic-40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN-4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Precious MaterialGOLDGOLD
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Current Rating Per Characteristic10.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN10.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
Precious Material and LocationTERMINAL SURFACE GOLDTERMINAL SURFACE GOLD
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Semiconductor MaterialSILICONSILICON
Overall Diameter0.210 INCHES MINIMUM AND 0.210 INCHES MINIMUM AND 0.225 INCHES MAXIMUM0.225 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
Mounting MethodTERMINALTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-110-35683228509 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-420-3668 INTERCHANGEABLE
Transistor
5985-00-926-0227SCDL535782 INTERCHANGEABLE
Counterpoise,antenna
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-926-0237 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
SG9811 Texas Instruments Incorporated (USA)
H19568 Fairchild Semiconductor Corp (USA)
RS3952 Fairchild Semiconductor Corp Semiconductor Div Hq (USA)
JAN2N2369A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6083758 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
Related Parts
5961-00-110-3568INTERCHANGEABLE
TRANSISTOR
3228509
5961-00-420-3668INTERCHANGEABLE
TRANSISTOR
5985-00-926-0227INTERCHANGEABLE
COUNTERPOISE,ANTENNA
SCDL535782
5961-00-926-0237INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-107-0621?

NSN 5961-00-107-0621 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-107-0621?

NSN 5961-00-107-0621 has 5 cross-referenced part numbers: SG9811 (Texas Instruments Incorporated), H19568 (Fairchild Semiconductor Corp), RS3952 (Fairchild Semiconductor Corp Semiconductor Div Hq), JAN2N2369A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6083758 (Lockheed Martin Corporation Div Rotary and Mission Systems).

What NSN replaces 5961-00-107-0621?

There are 4 known substitutes for 5961-00-107-0621: 5961-00-110-3568, 5961-00-420-3668, 5985-00-926-0227 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SG9811?

Key specifications for SG9811: Terminal Circle Diameter: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN; Test Data Document: 03640-6083758 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)03640-6083758 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); Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD. 16 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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