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

AI summary

1SMA4747A product

1SMA4747A

Diodes - Zener - Single

Zener DiodeVoltage RegulationSMA Package

The 1SMA4747A is a 1W surface-mount Zener diode with a 20V nominal voltage, ideal for voltage regulation in compact PCB designs.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring power dissipation significantly above 1W

Check before use

  • Thermal derating based on case temperature

Key specifications

Nominal Zener Voltage
20 V
Power Dissipation
1 W
Package
SMA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Voltage Regulation

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
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

Real-time and catalog pricing from verified distributors

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

The 1SMA4747A is a silicon planar Zener diode housed in an SMA (DO-214AC) package, designed for voltage regulation with a 1W power rating.