PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3891RSemiconductor Device,diode

Lacon Electronic Gmbh · NSN 5961-00-764-9689 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-764-9689 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-764-9689. Primary manufacturer part number: 1N3891R.
Features
  • Semiconductor Device,diode — FSC 5961
  • Thread Series Designator: UNF
  • Mounting Method: THREADED STUD(S)
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-203AA
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Facility Quantity: 1
  • Nominal Thread Size: 0.190 INCHES IN
  • Current Rating Per Characteristic: 12.00 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 5961-00-764-9689, 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 Lacon Electronic Gmbh. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5961-00-764-9689
Primary Part Number1N3891R
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLacon Electronic Gmbh
StatusACTIVE
Thread Series DesignatorUNF
Mounting MethodTHREADED STUD(S)
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-203AA
Features ProvidedHERMETICALLY SEALED CASE
Mounting Facility Quantity1
Nominal Thread Size0.190 INCHES IN
Current Rating Per Characteristic12.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE
Overall Width Across Flats0.430 INCHES NOMINAL IN
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-471-2400 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N3891R Lacon Electronic Gmbh (DEU)
W5031649JT Oerlikon-Buehrle Ag Werkzeugmaschinenfabrik (CHE)
2502554-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1N3891R Freescale Semiconductor, Inc. (USA)
1N3891RA Adelco Elektronik Gmbh (DEU)
W5031649JT Rheinmetall Air Defence Ag (CHE)
1N3891R Adelco Elektronik Gmbh (DEU)
Related Parts
5961-00-471-2400INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-764-9689?

NSN 5961-00-764-9689 is a Semiconductor Device,diode, manufactured by Lacon Electronic Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-764-9689?

NSN 5961-00-764-9689 has 7 cross-referenced part numbers: 1N3891R (Lacon Electronic Gmbh), W5031649JT (Oerlikon-Buehrle Ag Werkzeugmaschinenfabrik), 2502554-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1N3891R (Freescale Semiconductor, Inc.), 1N3891RA (Adelco Elektronik Gmbh) and 2 more.

What NSN replaces 5961-00-764-9689?

There is 1 known substitute for 5961-00-764-9689: 5961-00-471-2400. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3891R?

Key specifications for 1N3891R: Thread Series Designator: UNF; Overall Length: 0.405 INCHES MAXIMUM IN; Mounting Method: THREADED STUD(S); Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-203AA. 12 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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