SMA4738A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMA4738A product

SMA4738A

Diodes - Zener - Single

Zener Diode1WSMA8.2V

The SMA4738A is a 1W surface-mount Zener diode with a nominal Zener voltage of 8.2V, housed in a standard DO-214AC (SMA) package.

Best for

  • Voltage regulation
  • Signal clipping
  • Overvoltage protection

Avoid if

  • Applications requiring power dissipation significantly exceeding 1W

Check before use

  • Thermal derating requirements based on lead temperature

Key specifications

Nominal Zener Voltage
8.2 V
Power Dissipation
1.0 W
Package
DO-214AC (SMA)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesGeneral Electronics

CAD Models

Download ECAD models for SMA4738A: 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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Alternative components

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

Design and risk insights

Questions & answers

The SMA4738A is a glass-passivated silicon Zener diode designed for surface-mount applications, providing voltage stabilization and clipping with a 1W power rating.