PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR501Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-023-7427 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-023-7427 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-023-7427. Primary manufacturer part number: MR501.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 1.062 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 2.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Plastic Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-023-7427, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-023-7427
Primary Part NumberMR501
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusCANCELLED
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.062 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic2.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
Current Rating Per Characteristic3.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Mounting MethodTERMINAL
Overall Diameter0.210 INCHES MAXIMUM IN
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-452-0548 INTERCHANGEABLE
Semiconductor Device,diode
1650-00-458-3210210110 INTERCHANGEABLE
Electrical Module
Sigma-Netics, Inc.
5910-01-094-7168210070 INTERCHANGEABLE
Capacitor,fixed
Ametek, Inc. Dba Aerospace Gst Div Aerospace
3040-01-105-0158210070 INTERCHANGEABLE
Shaft,machine
Allianz Sweeper Company
5961-01-169-6515 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-170-05511901-1081 INTERCHANGEABLE
Semiconductor Device,diode
Hewlett-Packard Company Dba HP
6210-01-316-9824 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
MR501 Freescale Semiconductor, Inc. (USA)
353-6586-010 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
SR2564 Freescale Semiconductor, Inc. (USA)
210070 Astronics Test Systems Inc (USA)
SR2564 On Semiconductor Corporation (USA)
Related Parts
5961-00-452-0548INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1650-00-458-3210INTERCHANGEABLE
ELECTRICAL MODULE
210110
5910-01-094-7168INTERCHANGEABLE
CAPACITOR,FIXED
210070
3040-01-105-0158INTERCHANGEABLE
SHAFT,MACHINE
210070
5961-01-169-6515INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-170-0551INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1901-1081
6210-01-316-9824INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 5961-01-023-7427?

NSN 5961-01-023-7427 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-023-7427?

NSN 5961-01-023-7427 has 5 cross-referenced part numbers: MR501 (Freescale Semiconductor, Inc.), 353-6586-010 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), SR2564 (Freescale Semiconductor, Inc.), 210070 (Astronics Test Systems Inc), SR2564 (On Semiconductor Corporation).

What NSN replaces 5961-01-023-7427?

There are 7 known substitutes for 5961-01-023-7427: 5961-00-452-0548, 1650-00-458-3210, 5910-01-094-7168 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR501?

Key specifications for MR501: Material: PLASTIC ENCLOSURE; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Features Provided: HERMETICALLY SEALED CASE; Terminal Length: 1.062 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-023-7427 still in active supply?

NSN 5961-01-023-7427 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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