PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1188RASemiconductor Device,diode

Semitronics Corp · NSN 5961-00-043-1402 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-043-1402 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-043-1402. Primary manufacturer part number: 1N1188RA.
Features
  • Semiconductor Device,diode — FSC 5961
  • Overall Diameter: 0.667 INCHES MAXIMUM IN
  • Overall Width Across Flats: 0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 800.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
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 5961-00-043-1402, 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 Semitronics Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-043-1402
Primary Part Number1N1188RA
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusACTIVE
Overall Diameter0.667 INCHES MAXIMUM IN
Overall Width Across Flats0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic68.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic800.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-5
Maximum Operating Temp Per Measurement Point200.0 CELSIUS CASE DEGC
Nominal Thread Size0.250 INCHES IN
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM REVERSE VOLTAGE, PEAK
Specification/standard Data80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Thread Series DesignatorUNF
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5961-00-134-7034 INTERCHANGEABLE
Semiconductor Device,diode
5915-00-432-145610940 INTERCHANGEABLE
Filter,low Pass
Versitron Inc
5930-00-636-4625SM-C-145036 INTERCHANGEABLE
Switch Section,rotary
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1005-00-705-0131 INTERCHANGEABLE
Sight,rear
5961-00-877-5699 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-912-9132 INTERCHANGEABLE
Semiconductor Device,diode
3020-01-193-9981 INTERCHANGEABLE
Spline,input
5961-01-240-0457 INTERCHANGEABLE
Semiconductor Device,diode
3455-01-245-550010940 INTERCHANGEABLE
Cutter Set,hole
Hougen Manufacturing, Inc
6640-01-511-204410-940 INTERCHANGEABLE
Tube,capillary,blood Sample
Cholestech Corporation
Cross-Reference Index
Part NumberManufacturer
1N1188RA Intersil Communications Inc. (USA)
RELEASE4184 Electronic Industries Association
1N1188AR Microsemi Corp-Colorado (USA)
1N1188RA Renesas Electronics America Inc (USA)
310257 California Instruments Corp (USA)
10940 Kurz & Root Generator Company, Llc (USA)
1N1188RAA Adelco Elektronik Gmbh (DEU)
44A354802P10 General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept (USA)
1N1188RA Electronic Industries Association
1N1188RA Infineon Technologies Americas Corp (USA)
1N1188RA General Electric Co Semi-Conductor Products Dept (USA)
1N1188RA PRIMARY Semitronics Corp (USA)
Related Parts
5961-00-134-7034INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5915-00-432-1456INTERCHANGEABLE
FILTER,LOW PASS
10940
5930-00-636-4625INTERCHANGEABLE
SWITCH SECTION,ROTARY
SM-C-145036
1005-00-705-0131INTERCHANGEABLE
SIGHT,REAR
5961-00-877-5699INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-912-9132INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3020-01-193-9981INTERCHANGEABLE
SPLINE,INPUT
5961-01-240-0457INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3455-01-245-5500INTERCHANGEABLE
CUTTER SET,HOLE
10940
6640-01-511-2044INTERCHANGEABLE
TUBE,CAPILLARY,BLOOD SAMPLE
10-940
6540-01-519-7555INTERCHANGEABLE
LACHRYMAL INTUBATIO
10940

Frequently Asked Questions

What is NSN 5961-00-043-1402?

NSN 5961-00-043-1402 is a Semiconductor Device,diode, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-043-1402?

NSN 5961-00-043-1402 has 12 cross-referenced part numbers: 1N1188RA (Intersil Communications Inc.), RELEASE4184 (Electronic Industries Association), 1N1188AR (Microsemi Corp-Colorado), 1N1188RA (Renesas Electronics America Inc), 310257 (California Instruments Corp) and 7 more.

What NSN replaces 5961-00-043-1402?

There are 11 known substitutes for 5961-00-043-1402: 5961-00-134-7034, 5915-00-432-1456, 5930-00-636-4625 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1188RA?

Key specifications for 1N1188RA: Overall Diameter: 0.667 INCHES MAXIMUM IN; Overall Width Across Flats: 0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 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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