PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JAN1N4938-1Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-147-4729 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-147-4729 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-147-4729. Primary manufacturer part number: JAN1N4938-1.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-PRF-19500/169 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Voltage Rating in Volts Per Characteristic: 200.0 MINIMUM BREAKDOWN VOLTAGE, DC AND 175.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Test Data Document: 81349-MIL-PRF-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.).
  • Terminal Length: 1.000 INCHES MINIMUM IN
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 5961-01-147-4729, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-147-4729
Primary Part NumberJAN1N4938-1
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Specification/standard Data81349-MIL-PRF-19500/169 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Voltage Rating in Volts Per Characteristic200.0 MINIMUM BREAKDOWN VOLTAGE, DC AND 175.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Test Data Document81349-MIL-PRF-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.).
Terminal Length1.000 INCHES MINIMUM IN
Overall Diameter0.056 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-240-2784 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-324-3079 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-490-0151 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-854-8470 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-129-7729 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-235-7787 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-331-4811 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-350-2084 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
JAN1N4938-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/169 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-240-2784INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-324-3079INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-490-0151INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-854-8470INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-129-7729INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-235-7787INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-331-4811INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-350-2084INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-147-4729?

NSN 5961-01-147-4729 is a Semiconductor Device,diode, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-147-4729?

NSN 5961-01-147-4729 has 2 cross-referenced part numbers: JAN1N4938-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/169 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-147-4729?

There are 8 known substitutes for 5961-01-147-4729: 5961-00-240-2784, 5961-00-324-3079, 5961-00-490-0151 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JAN1N4938-1?

Key specifications for JAN1N4938-1: Specification/standard Data: 81349-MIL-PRF-19500/169 GOVERNMENT SPECIFICATION; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Voltage Rating in Volts Per Characteristic: 200.0 MINIMUM BREAKDOWN VOLTAGE, DC AND 175.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE. 12 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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