PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JZ43BSemiconductor Device,diode

Diodes Inc Power Components Div · NSN 5961-00-971-5139 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-971-5139 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-971-5139. Primary manufacturer part number: JZ43B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: GLASS ENCLOSURE
  • 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.).
  • Voltage Rating in Volts Per Characteristic: 43.0 NOMINAL NOMINAL REGULATOR VOLTAGE
  • Specification/standard Data: 81349-MIL-PRF-19500/115 GOVERNMENT SPECIFICATION
  • Voltage Tolerance in Percent: -5.0 TO 5.0
  • Maximum Operating Temp Per Measurement Point: 175.0 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 5961-00-971-5139, 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 Diodes Inc Power Components Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-971-5139
Primary Part NumberJZ43B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDiodes Inc Power Components Div
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
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.).
Voltage Rating in Volts Per Characteristic43.0 NOMINAL NOMINAL REGULATOR VOLTAGE
Specification/standard Data81349-MIL-PRF-19500/115 GOVERNMENT SPECIFICATION
Voltage Tolerance in Percent-5.0 TO 5.0
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Overall Diameter0.215 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCATHODE
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic6.000 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 21.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-209-414523374 INTERCHANGEABLE
Washer,key
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5985-01-009-2063928088-8 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company Dba Raytheon
2910-01-290-9023VTO-T057 INTERCHANGEABLE
Spindle,spring
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
JZ43B Diodes Inc Power Components Div (USA)
23374 Kleinschmidt Inc (USA)
JANTX1N3035B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TZB43B Diodes Inc Power Components Div (USA)
1N1786 Navcom Defense Electronics, Inc. (USA)
MIL-PRF-19500/115 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX1N3035B-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3035 Electronic Industries Association
1N4177B General Semiconductor Inc (USA)
TZ43B Diodes Inc Power Components Div (USA)
5961PL0898065 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-209-4145INTERCHANGEABLE
WASHER,KEY
23374
5985-01-009-2063INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
928088-8
2910-01-290-9023INTERCHANGEABLE
SPINDLE,SPRING
VTO-T057

Frequently Asked Questions

What is NSN 5961-00-971-5139?

NSN 5961-00-971-5139 is a Semiconductor Device,diode, manufactured by Diodes Inc Power Components Div, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-971-5139?

NSN 5961-00-971-5139 has 11 cross-referenced part numbers: JZ43B (Diodes Inc Power Components Div), 23374 (Kleinschmidt Inc), JANTX1N3035B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TZB43B (Diodes Inc Power Components Div), 1N1786 (Navcom Defense Electronics, Inc.) and 6 more.

What NSN replaces 5961-00-971-5139?

There are 3 known substitutes for 5961-00-971-5139: 5310-00-209-4145, 5985-01-009-2063, 2910-01-290-9023. Verify interchangeability with system specifications before substitution.

What are the specifications of JZ43B?

Key specifications for JZ43B: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: GLASS ENCLOSURE; 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.).; Voltage Rating in Volts Per Characteristic: 43.0 NOMINAL NOMINAL REGULATOR VOLTAGE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-971-5139 still in active supply?

NSN 5961-00-971-5139 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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