PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1MSemiconductor Device,thyristor

Fairchild Semiconductor Corporation · NSN 5961-00-409-3535 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-409-3535 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-409-3535. Primary manufacturer part number: S1M.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 170.0 CELSIUS AMBIENT AIR DEGC
  • Power Rating Per Characteristic: 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Length: 1.125 INCHES MINIMUM IN
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Mounting Method: TERMINAL
  • Semiconductor Material: SILICON
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-409-3535, 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 Corporation. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN5961-00-409-3535
Primary Part NumberS1M
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corporation
StatusACTIVE
Maximum Operating Temp Per Measurement Point170.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length1.125 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM REVERSE VOLTAGE, PEAK
Mounting MethodTERMINAL
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.203 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Current Rating Per Characteristic40.00 AMPERES MAXIMUM OFF-STATE CURRENT, PEAK
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-510-2966S1M INTERCHANGEABLE
Test Set,armature
Ideal Industries, Inc.
5961-00-957-6865 INTERCHANGEABLE
Semiconductor Device,diode
5965-01-317-6077S-40 INTERCHANGEABLE
Headset-Microphone
Sigtronics Corporation Dba Sigtronics Corp
5961-01-705-9423S1M INTERCHANGEABLE
Semiconductor Device,diode
Fairchild Semiconductor International Inc. Dba Fairchild Semiconductor Div Discrete Power Products
Cross-Reference Index
Part NumberManufacturer
S1M PRIMARY Fairchild Semiconductor Corporation (USA)
93935000 General Dynamics Information Systems Inc Gdis Div (USA)
S1M Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation (MEX)
S1M Semtech Corporation (USA)
93935000 Syntegra / Usa/ Inc Computer Parts and Supplies ARH205 (USA)
93935000 Magnetic Peripherals Inc Normandale Opns Sub of Control Data Corp (USA)
IN4002 Micro Uspd Inc (USA)
S1M Fairchild Semiconductor Corp (USA)
Related Parts
6625-00-510-2966INTERCHANGEABLE
TEST SET,ARMATURE
S1M
5961-00-957-6865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5965-01-317-6077INTERCHANGEABLE
HEADSET-MICROPHONE
S-40
5961-01-705-9423INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S1M

Frequently Asked Questions

What is NSN 5961-00-409-3535?

NSN 5961-00-409-3535 is a Semiconductor Device,thyristor, manufactured by Fairchild Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-409-3535?

NSN 5961-00-409-3535 has 8 cross-referenced part numbers: S1M (Fairchild Semiconductor Corporation), 93935000 (General Dynamics Information Systems Inc Gdis Div), S1M (Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation), S1M (Semtech Corporation), 93935000 (Syntegra / Usa/ Inc Computer Parts and Supplies ARH205) and 3 more.

What NSN replaces 5961-00-409-3535?

There are 4 known substitutes for 5961-00-409-3535: 6625-00-510-2966, 5961-00-957-6865, 5965-01-317-6077 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1M?

Key specifications for S1M: Maximum Operating Temp Per Measurement Point: 170.0 CELSIUS AMBIENT AIR DEGC; Power Rating Per Characteristic: 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Terminal Length: 1.125 INCHES MINIMUM IN; Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM REVERSE VOLTAGE, PEAK. 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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