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1SMA4733A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4733A product

1SMA4733A

Power Management (PMIC)

Zener Diode5.1V1WSMASurface Mount

The 1SMA4733A is a 5.1V, 1W Zener diode in a surface-mount SMA (DO-214AC) package, suitable for voltage regulation and surge protection.

Best for

  • Voltage regulation
  • Surge protection
  • General-purpose surface mount circuits

Avoid if

  • Applications requiring power dissipation significantly above 1W
  • Extremely space-constrained designs where a smaller package than SMA is required

Check before use

  • Thermal derating requirements
  • Reverse leakage current limits

Key specifications

Nominal Zener Voltage
5.1 V
Peak Pulse Power
1.0 W
Zener Impedance
7 Ω

Compliance & Environment

RoHS
RoHS

Application

Power ManagementGeneral Electronics

CAD Models

Download ECAD models for 1SMA4733A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
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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

The 1SMA4733A is a glass-passivated Zener diode designed for surface-mount applications, providing a nominal Zener voltage of 5.1V and a peak pulse power rating of 1.0W.