PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23443Semiconductor Device,diode

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-202-5095 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-202-5095 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-202-5095. Primary manufacturer part number: 23443.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.145 INCHES MAXIMUM IN
  • Terminal Length: 0.975 INCHES MINIMUM IN
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Current Rating Per Characteristic: 100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-202-5095, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-202-5095
Primary Part Number23443
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Overall Diameter0.145 INCHES MAXIMUM IN
Terminal Length0.975 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Current Rating Per Characteristic100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Mounting MethodTERMINAL
Terminal Circle Diameter0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-140-0031 INTERCHANGEABLE
Semiconductor Device,diode
5977-00-284-751723443 INTERCHANGEABLE
Brush,electrical Contact
Raytheon Company Dba Raytheon
5315-00-358-000523443 INTERCHANGEABLE
Pin,straight,headless
Briggs and Stratton Corp
5961-00-416-4858 INTERCHANGEABLE
Semiconductor Device,diode
5950-00-646-331023443 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
1650-00-758-799423443 INTERCHANGEABLE
Parts Kit,servocylinder
Moog Inc
5961-01-016-73791N5551 INTERCHANGEABLE
Semiconductor Device,diode
Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation
3020-01-186-875423443 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
5960-01-343-49381N5551 INTERCHANGEABLE
Electron Tube
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
1N551 Microsemi Ireland (IRL)
1N5551 Micro Uspd Inc (USA)
23443 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
1N5551 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
Related Parts
5961-00-140-0031INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5977-00-284-7517INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
23443
5315-00-358-0005INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
23443
5961-00-416-4858INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5950-00-646-3310INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
23443
1650-00-758-7994INTERCHANGEABLE
PARTS KIT,SERVOCYLINDER
23443
5961-01-016-7379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5551
3020-01-186-8754INTERCHANGEABLE
GEAR,SPUR
23443
5960-01-343-4938INTERCHANGEABLE
ELECTRON TUBE
1N5551

Frequently Asked Questions

What is NSN 5961-01-202-5095?

NSN 5961-01-202-5095 is a Semiconductor Device,diode, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-202-5095?

NSN 5961-01-202-5095 has 4 cross-referenced part numbers: 1N551 (Microsemi Ireland), 1N5551 (Micro Uspd Inc), 23443 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 1N5551 (Microsemi Corp.-Scottsdale Dba Microsemi).

What NSN replaces 5961-01-202-5095?

There are 9 known substitutes for 5961-01-202-5095: 5961-00-140-0031, 5977-00-284-7517, 5315-00-358-0005 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23443?

Key specifications for 23443: Material: GLASS ENCLOSURE; Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Overall Diameter: 0.145 INCHES MAXIMUM IN. 10 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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