PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5143Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-00-435-3797 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-435-3797 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-435-3797. Primary manufacturer part number: 1N5143.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.096 INCHES NOMINAL IN
  • Function for Which Designed: VARACTOR DIODE
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASE
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 5961-00-435-3797, 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 Freescale Semiconductor, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5961-00-435-3797
Primary Part Number1N5143
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Terminal Length1.000 INCHES MINIMUM IN
Mounting MethodTERMINAL
Overall Diameter0.096 INCHES NOMINAL IN
Function for Which DesignedVARACTOR DIODE
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationD0-7
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE5259 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-116-6581 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-233-7293 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-387-3536 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-407-0241 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-450-6362 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-457-0949 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-499-7896 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-690-1613 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-935-64760122-0256 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
5961-00-975-5777 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N5143 Freescale Semiconductor, Inc. (USA)
0122-0253 Avago Technologies Us Inc Div Avago Technologies (USA)
0122-0253 Hewlett-Packard Company Dba HP (USA)
RELEASE5259 Electronic Industries Association
1N5143 Electronic Industries Association
Related Parts
5961-00-116-6581INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-233-7293INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-387-3536INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-407-0241INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-450-6362INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-457-0949INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-499-7896INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-690-1613INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-935-6476INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
0122-0256
5961-00-975-5777INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-435-3797?

NSN 5961-00-435-3797 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-435-3797?

NSN 5961-00-435-3797 has 5 cross-referenced part numbers: 1N5143 (Freescale Semiconductor, Inc.), 0122-0253 (Avago Technologies Us Inc Div Avago Technologies), 0122-0253 (Hewlett-Packard Company Dba HP), RELEASE5259 (Electronic Industries Association), 1N5143 (Electronic Industries Association).

What NSN replaces 5961-00-435-3797?

There are 10 known substitutes for 5961-00-435-3797: 5961-00-116-6581, 5961-00-233-7293, 5961-00-387-3536 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5143?

Key specifications for 1N5143: Terminal Length: 1.000 INCHES MINIMUM IN; Mounting Method: TERMINAL; Overall Diameter: 0.096 INCHES NOMINAL IN; Function for Which Designed: VARACTOR DIODE. 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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