PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5550Semiconductor Device,diode

Semtech Corporation · NSN 5961-00-173-4642 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-173-4642 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-173-4642. Primary manufacturer part number: 1N5550.
Features
  • Semiconductor Device,diode — FSC 5961
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.180 INCHES MAXIMUM IN
  • Material: SILICON SEMICONDUCTOR
  • Terminal Length: 0.900 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 1.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
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 5961-00-173-4642, 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 Semtech Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-173-4642
Primary Part Number1N5550
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemtech Corporation
StatusACTIVE
Mounting MethodTERMINAL
Overall Diameter0.180 INCHES MAXIMUM IN
MaterialSILICON SEMICONDUCTOR
Terminal Length0.900 INCHES MINIMUM IN
Current Rating Per Characteristic1.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-026-9661 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-145-3355 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-421-3002 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-452-0548 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-054-9162 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-200-96941N5550 INTERCHANGEABLE
Semiconductor Device,diode
General Semiconductor Inc
Cross-Reference Index
Part NumberManufacturer
1N5550 Semtech Corporation (USA)
1N5550 Future Electronics (USA)
1N5550A Adelco Elektronik Gmbh (DEU)
1N5550 Advanced Smart Technologies Ast (FRA)
353-3718-043 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
UT1447 Micro Uspd Inc (USA)
353-3718-043 Semtech Corporation (USA)
40-666-2449 Meggitt (uk) Ltd Div Meggitt Sensing Systems (GBR)
Related Parts
5961-00-026-9661INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-145-3355INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-421-3002INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-452-0548INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-054-9162INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-200-9694INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5550

Frequently Asked Questions

What is NSN 5961-00-173-4642?

NSN 5961-00-173-4642 is a Semiconductor Device,diode, manufactured by Semtech Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-173-4642?

NSN 5961-00-173-4642 has 8 cross-referenced part numbers: 1N5550 (Semtech Corporation), 1N5550 (Future Electronics), 1N5550A (Adelco Elektronik Gmbh), 1N5550 (Advanced Smart Technologies Ast), 353-3718-043 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 3 more.

What NSN replaces 5961-00-173-4642?

There are 6 known substitutes for 5961-00-173-4642: 5961-00-026-9661, 5961-00-145-3355, 5961-00-421-3002 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5550?

Key specifications for 1N5550: Mounting Method: TERMINAL; Overall Diameter: 0.180 INCHES MAXIMUM IN; Material: SILICON SEMICONDUCTOR; Terminal Length: 0.900 INCHES MINIMUM IN. 11 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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