PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS15637-1Semiconductor Device,diode

Lockheed Martin Corp · NSN 5961-01-037-8674 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-037-8674 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-037-8674. Primary manufacturer part number: LS15637-1.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Length: 1.290 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Material: GLASS ENCLOSURE
  • Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 600.0 MAXIMUM REVERSE VOLTAGE, AVERAGE
  • Overall Diameter: 0.065 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
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 5961-01-037-8674, 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 Lockheed Martin Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-037-8674
Primary Part NumberLS15637-1
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Length1.290 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic1.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
MaterialGLASS ENCLOSURE
Voltage Rating in Volts Per Characteristic600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 600.0 MAXIMUM REVERSE VOLTAGE, AVERAGE
Overall Diameter0.065 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-427-0430 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-829-0728 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-250-97245152089-1 INTERCHANGEABLE
Semiconductor Device,diode
General Semiconductor Inc
Cross-Reference Index
Part NumberManufacturer
LS15637-1 PRIMARY Lockheed Martin Corp (USA)
1N5618 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
1N5618 Micro Uspd Inc (USA)
1N5618 Semtech Corporation (USA)
5L5532.404-24 Hensoldt Sensors Gmbh Div Seps (DEU)
Related Parts
5961-00-427-0430INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-829-0728INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-250-9724INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5152089-1

Frequently Asked Questions

What is NSN 5961-01-037-8674?

NSN 5961-01-037-8674 is a Semiconductor Device,diode, manufactured by Lockheed Martin Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-037-8674?

NSN 5961-01-037-8674 has 5 cross-referenced part numbers: LS15637-1 (Lockheed Martin Corp), 1N5618 (Microsemi Corp.-Scottsdale Dba Microsemi), 1N5618 (Micro Uspd Inc), 1N5618 (Semtech Corporation), 5L5532.404-24 (Hensoldt Sensors Gmbh Div Seps).

What NSN replaces 5961-01-037-8674?

There are 3 known substitutes for 5961-01-037-8674: 5961-00-427-0430, 5961-00-829-0728, 5961-01-250-9724. Verify interchangeability with system specifications before substitution.

What are the specifications of LS15637-1?

Key specifications for LS15637-1: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Length: 1.290 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE. 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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