PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN1N5557ASemiconductor Device,diode

Adelco Elektronik Gmbh · NSN 5961-00-139-9812 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-139-9812 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-139-9812. Primary manufacturer part number: JAN1N5557A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Overall Diameter: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 1500.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASE
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 5961-00-139-9812, 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 Adelco Elektronik Gmbh. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-139-9812
Primary Part NumberJAN1N5557A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusACTIVE
Specification/standard Data81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Power Rating Per Characteristic1500.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic49.0 MAXIMUM REVERSE VOLTAGE, DC
Current Rating Per Characteristic200.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Terminal Length1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-099-9997 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-173-1045 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-187-2477 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-372-2217 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-409-3494 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-017-2088 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-017-5461 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-032-0474 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-034-8382 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-069-9548 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
JAN1N5557A Adelco Elektronik Gmbh (DEU)
B77E0027-1 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
MILS19500-434 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10389007 Nimikkeistokeskus Ncb Finland (FIN)
1N5557 General Semiconductor Industries Inc (USA)
JAN1N5557 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-099-9997INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-173-1045INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-187-2477INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-372-2217INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-409-3494INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-017-2088INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-017-5461INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-032-0474INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-034-8382INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-069-9548INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-128-9133INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-180-0420INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-139-9812?

NSN 5961-00-139-9812 is a Semiconductor Device,diode, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-139-9812?

NSN 5961-00-139-9812 has 6 cross-referenced part numbers: JAN1N5557A (Adelco Elektronik Gmbh), B77E0027-1 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), MILS19500-434 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10389007 (Nimikkeistokeskus Ncb Finland), 1N5557 (General Semiconductor Industries Inc) and 1 more.

What NSN replaces 5961-00-139-9812?

There are 12 known substitutes for 5961-00-139-9812: 5961-00-099-9997, 5961-00-173-1045, 5961-00-187-2477 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN1N5557A?

Key specifications for JAN1N5557A: Specification/standard Data: 81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION; Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN. 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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