PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS19500-201Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-968-3858 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-968-3858 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-968-3858. Primary manufacturer part number: MILS19500-201.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/201 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.085 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 270.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC AND 50.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
  • Voltage Rating in Volts Per Characteristic: 125.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 100.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Maximum Operating Temp Per Measurement Point: 75.0 CELSIUS AMBIENT AIR DEGC
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 5961-00-968-3858, 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 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-968-3858
Primary Part NumberMILS19500-201
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-S-19500/201 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Diameter0.085 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Current Rating Per Characteristic270.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC AND 50.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Voltage Rating in Volts Per Characteristic125.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Maximum Operating Temp Per Measurement Point75.0 CELSIUS AMBIENT AIR DEGC
MaterialGLASS ENCLOSURE
Terminal Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
MaterialGERMANIUM SEMICONDUCTOR
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.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-669-6884 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-940-8567 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-069-1140 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MILS19500-201 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N277M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-669-6884INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-940-8567INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-069-1140INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-968-3858?

NSN 5961-00-968-3858 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 5961-00-968-3858?

NSN 5961-00-968-3858 has 2 cross-referenced part numbers: MILS19500-201 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N277M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-968-3858?

There are 3 known substitutes for 5961-00-968-3858: 5961-00-669-6884, 5961-00-940-8567, 5961-01-069-1140. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS19500-201?

Key specifications for MILS19500-201: Specification/standard Data: 81349-MIL-S-19500/201 GOVERNMENT SPECIFICATION; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Mounting Method: TERMINAL; Overall Diameter: 0.085 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 13 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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