PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/550Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-207-9577 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-207-9577 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-207-9577. Primary manufacturer part number: MIL-S-19500/550.
Features
  • Semiconductor Device,diode — FSC 5961
  • 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.).
  • Terminal Type and Quantity: 2 PIN AND 1 CASE
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Specification/standard Data: 81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Method: UNTHREADED HOLE(S)
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 5961-01-207-9577, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-207-9577
Primary Part NumberMIL-S-19500/550
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
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.).
Terminal Type and Quantity2 PIN AND 1 CASE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Specification/standard Data81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodUNTHREADED HOLE(S)
Current Rating Per Characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL TX
Mounting Facility Quantity2
Voltage Rating in Volts Per Characteristic500.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 250.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Power Rating Per Characteristic125.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-01-187-8070 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-187-8075 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-187-8077 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-194-1633 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-197-9482 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-198-7033 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-228-5607 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-332-4574 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-366-7939 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-481-6607 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/550 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/550 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX1N6306 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-187-8070INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-187-8075INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-187-8077INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-194-1633INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-197-9482INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-198-7033INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-228-5607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-332-4574INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-366-7939INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-481-6607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-207-9577?

NSN 5961-01-207-9577 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 5961-01-207-9577?

NSN 5961-01-207-9577 has 3 cross-referenced part numbers: MIL-S-19500/550 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/550 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX1N6306 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-207-9577?

There are 10 known substitutes for 5961-01-207-9577: 5961-01-187-8070, 5961-01-187-8075, 5961-01-187-8077 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/550?

Key specifications for MIL-S-19500/550: 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.).; Terminal Type and Quantity: 2 PIN AND 1 CASE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Specification/standard Data: 81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION. 16 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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