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1SMA4731A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4731A product

1SMA4731A

Diodes - Zener - Single

Zener DiodeVoltage RegulationSMA

The 1SMA4731A is a 1W surface-mount Zener diode with a 4.3V nominal Zener voltage, housed in an SMA (DO-214AC) package.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring extremely low power dissipation or non-standard footprints.

Check before use

  • Thermal dissipation requirements in the target PCB layout.

Key specifications

Nominal Zener Voltage
4.3 V
Power Dissipation
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

09522e9c7f03d7c17b5db34a083390a7_2304140030_Shandong-Jingdao-Microelectronics-1SMA4731A_C438353.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4731A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 1W silicon planar Zener diode designed for voltage regulation and overvoltage protection, packaged in an SMA (DO-214AC) surface-mount format.