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

AI summary

1SMA4738A product

1SMA4738A

Diodes

Zener Diode1W8.2VSMASurface Mount

The 1SMA4738A is a 1W, 8.2V Zener diode in an SMA package, ideal for voltage regulation in space-constrained surface-mount designs.

Best for

  • Voltage regulation
  • Surge protection
  • General purpose clamping

Avoid if

  • High-power applications exceeding 1W
  • Extreme high-temperature environments without heat sinking

Check before use

  • Thermal derating requirements
  • Peak surge current limits

Key specifications

Nominal Voltage
8.2 V
Power Rating
1 W
Package
SMA (DO-214AC)
Tolerance
5%

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial Controls

CAD Models

Download ECAD models for 1SMA4738A: 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
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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 1.0 Watt surface-mount Zener diode with a nominal breakdown voltage of 8.2V, packaged in a standard SMA (DO-214AC) housing.