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1SMA4747A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4747A product

1SMA4747A

Zener

Zener Diode1W20VSMA

The 1SMA4747A is a 1W, 20V Zener diode in an SMA package, ideal for voltage regulation and protection.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring >1W power dissipation

Check before use

  • Thermal design of the PCB

Key specifications

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

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesOvervoltage Protection

Datasheet

aa4e8788978bfda864154091b9d7715d_1SMA47xxA.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4747A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Where to Buy

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Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a surface-mount silicon Zener diode with a 20V nominal Zener voltage and 1W power dissipation capacity.