PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JANTX1N971B-1Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-121-2301 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-121-2301 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-121-2301. Primary manufacturer part number: JANTX1N971B-1.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 14.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
  • Maximum Operating Temp Per Measurement Point: 200.0 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 5961-01-121-2301, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-121-2301
Primary Part NumberJANTX1N971B-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
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.000 INCHES MINIMUM IN
Current Rating Per Characteristic14.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Function for Which DesignedVOLTAGE REGULATOR
Overall Diameter0.130 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Specification/standard Data81349-MIL-S-19500/117 GOVERNMENT SPECIFICATION
MaterialGLASS ENCLOSURE
MaterialSILICON 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 StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-025-5865L00935 INTERCHANGEABLE
Semiconductor Device,diode
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5961-00-878-4286 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-892-1009 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-181-6677917AS700-15 INTERCHANGEABLE
Semiconductor Device,diode
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
JANTX1N971B-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N971B Freescale Semiconductor, Inc. (USA)
JAN1N971B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
L00933 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MIL-S-19500/117 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/117 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N963B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-025-5865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
L00935
5961-00-878-4286INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-892-1009INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-181-6677INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
917AS700-15

Frequently Asked Questions

What is NSN 5961-01-121-2301?

NSN 5961-01-121-2301 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: cancelled.

What are the part numbers for NSN 5961-01-121-2301?

NSN 5961-01-121-2301 has 7 cross-referenced part numbers: JANTX1N971B-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN1N971B (Freescale Semiconductor, Inc.), JAN1N971B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), L00933 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MIL-S-19500/117 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5961-01-121-2301?

There are 4 known substitutes for 5961-01-121-2301: 5961-00-025-5865, 5961-00-878-4286, 5961-00-892-1009 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JANTX1N971B-1?

Key specifications for JANTX1N971B-1: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Features Provided: HERMETICALLY SEALED CASE; End Item Identification: OFFAVIONICS/C; Voltage Rating in Volts Per Characteristic: 27.0 MAXIMUM NOMINAL REGULATOR VOLTAGE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-121-2301 still in active supply?

NSN 5961-01-121-2301 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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