PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1189ASemiconductor Device,diode

Infineon Technologies Americas Corp · NSN 5961-00-146-0242 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-146-0242 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-146-0242. Primary manufacturer part number: 1N1189A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Current Rating Per Characteristic: 40.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Nominal Thread Size: 0.250 INCHES IN
  • Overall Width Across Flats: 0.687 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: THREADED STUD(S)
  • Power Rating Per Characteristic: 68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-146-0242, 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 Infineon Technologies Americas Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-146-0242
Primary Part Number1N1189A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerInfineon Technologies Americas Corp
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Current Rating Per Characteristic40.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Nominal Thread Size0.250 INCHES IN
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Power Rating Per Characteristic68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS CASE DEGC
Voltage Rating in Volts Per Characteristic500.0 MAXIMUM REVERSE VOLTAGE, PEAK
Mounting Facility Quantity1
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-866-4821127A905F01 INTERCHANGEABLE
Semiconductor Device,diode
Electric Machinery Dresser Industries Inc
Cross-Reference Index
Part NumberManufacturer
1N1189A Westinghouse Electric Corp Semiconductor Div (USA)
38710125 Deltyme Corporation (USA)
1N1189A PRIMARY Infineon Technologies Americas Corp (USA)
1N1189A Powerex, Inc. (USA)
Related Parts
5961-00-866-4821INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
127A905F01

Frequently Asked Questions

What is NSN 5961-00-146-0242?

NSN 5961-00-146-0242 is a Semiconductor Device,diode, manufactured by Infineon Technologies Americas Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-146-0242?

NSN 5961-00-146-0242 has 4 cross-referenced part numbers: 1N1189A (Westinghouse Electric Corp Semiconductor Div), 38710125 (Deltyme Corporation), 1N1189A (Infineon Technologies Americas Corp), 1N1189A (Powerex, Inc.).

What NSN replaces 5961-00-146-0242?

There is 1 known substitute for 5961-00-146-0242: 5961-00-866-4821. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1189A?

Key specifications for 1N1189A: Material: SILICON SEMICONDUCTOR; Current Rating Per Characteristic: 40.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE; Nominal Thread Size: 0.250 INCHES IN; Overall Width Across Flats: 0.687 INCHES MAXIMUM IN. 13 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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