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1SMA4728_R1_00001 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

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1SMA4728_R1_00001 product

1SMA4728_R1_00001

Diodes - Zener - Single

Zener Diode1WSMAVoltage Regulator

The 1SMA4728 is a 1W surface-mount Zener diode with a 3.3V nominal voltage, suitable for voltage regulation in compact board designs.

Best for

  • Voltage regulation
  • Surface mount PCB designs

Avoid if

  • Applications requiring high-precision voltage references
  • Extreme thermal environments exceeding 150°C

Check before use

  • Thermal dissipation requirements
  • Polarity orientation

Key specifications

Nominal Voltage
3.3 V
Power Rating
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power SuppliesGeneral Electronics

Datasheet

pYYBAGGu_SqAAmzUAAncqfa2yrI911.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4728_R1_00001: 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 1-watt surface-mount silicon Zener diode designed for voltage regulation applications, packaged in a standard DO-214AC (SMA) format.