PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR1125Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-131-8000 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-131-8000 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-131-8000. Primary manufacturer part number: MR1125.
Features
  • Semiconductor Device,diode — FSC 5961
  • Thread Series Designator: UNF
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-4
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 5961-01-131-8000, 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 Freescale Semiconductor, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5961-01-131-8000
Primary Part NumberMR1125
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Thread Series DesignatorUNF
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-4
Nominal Thread Size0.190 INCHES IN
Voltage Rating in Volts Per Characteristic500.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Overall Width Across Flats0.432 INCHES NOMINAL IN
Maximum Operating Temp Per Measurement Point190.0 CELSIUS JUNCTION DEGC
Overall Diameter0.424 INCHES MAXIMUM IN
Current Rating Per Characteristic15.00 AMPERES MAXIMUM FORWARD CURRENT, AVERAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-135-0719S20450 INTERCHANGEABLE
Semiconductor Device,diode
Micro Uspd Inc
Cross-Reference Index
Part NumberManufacturer
MR1125 Freescale Semiconductor, Inc. (USA)
FBL-00-052 Veeco Instruments Inc Lambda Div (USA)
R3100515 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5961-01-135-0719INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S20450

Frequently Asked Questions

What is NSN 5961-01-131-8000?

NSN 5961-01-131-8000 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-131-8000?

NSN 5961-01-131-8000 has 3 cross-referenced part numbers: MR1125 (Freescale Semiconductor, Inc.), FBL-00-052 (Veeco Instruments Inc Lambda Div), R3100515 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5961-01-131-8000?

There is 1 known substitute for 5961-01-131-8000: 5961-01-135-0719. Verify interchangeability with system specifications before substitution.

What are the specifications of MR1125?

Key specifications for MR1125: Thread Series Designator: UNF; Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE; Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG. 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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