PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1188ASemiconductor Device,diode

Adelco Elektronik Gmbh · NSN 5961-00-912-9132 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-912-9132 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-912-9132. Primary manufacturer part number: 1N1188A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC
  • Power Rating Per Characteristic: 68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: THREADED STUD(S)
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE AND 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 400.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
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 5961-00-912-9132, 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 Adelco Elektronik Gmbh. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-912-9132
Primary Part Number1N1188A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusCANCELLED
Specification/standard Data80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS CASE DEGC
Power Rating Per Characteristic68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE AND 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 400.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Current Rating Per Characteristic40.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Mounting Facility Quantity1
Nominal Thread Size0.250 INCHES IN
Electrode Internally-Electrically Connected to CaseCATHODE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-5
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5961-00-043-14021N1188RA INTERCHANGEABLE
Semiconductor Device,diode
Semitronics Corp
5905-00-089-8881310221 INTERCHANGEABLE
Resistor,fixed,wire Wound
Telemechanics Inc
5961-00-134-7034 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-877-5699 INTERCHANGEABLE
Semiconductor Device,diode
5306-01-062-7142310221 INTERCHANGEABLE
Bolt
Caterpillar Inc Div Caterpillar Defense
4520-01-264-84153-10-22-1 INTERCHANGEABLE
Heater,circulation,electric
Watlow Electric Manufacturing Co Dba Watlow
Cross-Reference Index
Part NumberManufacturer
1N1188A Adelco Elektronik Gmbh (DEU)
1N1188A Solid State Devices, Inc (USA)
RELEASE4184 Electronic Industries Association
1N1188A Edal Industries, Inc. Dba Edal Industries Inc (USA)
53-616-233-002 General Time Corp P O Box 24388 Knoxville in 37933 (USA)
1N1188AA Adelco Elektronik Gmbh (DEU)
1N1188A International Diode Corp (USA)
1N1188A Cooper Industries Inc Champion Aviation Products (USA)
310221 California Instruments Corp (USA)
1N1188A Fmc Technologies Inc Div Material Handling Solutions (USA)
1N1188A Electronic Industries Association
1N1188A Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1N1188A St-Semicon Inc (USA)
1N1188A Electronic Transistors Corp (USA)
1N1188A Westinghouse Electric Corp Semiconductor Div (USA)
1N1188A International Rectifier Corporation (USA)
Related Parts
5961-00-043-1402INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N1188RA
5905-00-089-8881INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
310221
5961-00-134-7034INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-877-5699INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5306-01-062-7142INTERCHANGEABLE
BOLT
310221
4520-01-264-8415INTERCHANGEABLE
HEATER,CIRCULATION,ELECTRIC
3-10-22-1

Frequently Asked Questions

What is NSN 5961-00-912-9132?

NSN 5961-00-912-9132 is a Semiconductor Device,diode, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-912-9132?

NSN 5961-00-912-9132 has 16 cross-referenced part numbers: 1N1188A (Adelco Elektronik Gmbh), 1N1188A (Solid State Devices, Inc), RELEASE4184 (Electronic Industries Association), 1N1188A (Edal Industries, Inc. Dba Edal Industries Inc), 53-616-233-002 (General Time Corp P O Box 24388 Knoxville in 37933) and 11 more.

What NSN replaces 5961-00-912-9132?

There are 6 known substitutes for 5961-00-912-9132: 5961-00-043-1402, 5905-00-089-8881, 5961-00-134-7034 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1188A?

Key specifications for 1N1188A: Specification/standard Data: 80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Power Rating Per Characteristic: 68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Material: SILICON SEMICONDUCTOR. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-912-9132 still in active supply?

NSN 5961-00-912-9132 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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