1SMA4738A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4738A product

1SMA4738A

Diodes - Zener - Single

Zener DiodeSMA1W

The 1SMA4738A is a 1W surface-mount Zener diode from FOSAN, providing a nominal 8.2V regulation voltage in a standard SMA package.

Best for

  • Voltage regulation
  • General purpose clamping

Avoid if

  • Applications requiring extremely low leakage current or high-precision voltage references

Check before use

  • Thermal derating curves at high ambient temperatures

Key specifications

Nominal Vz
8.2 V
Power Dissipation
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementGeneral Electronics

CAD Models

Download ECAD models for 1SMA4738A: 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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KiCad Library
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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 surface-mount Zener diode designed for voltage regulation, featuring a nominal Zener voltage of 8.2V and a power dissipation rating of 1W.