SD03 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SD03 product

SD03

Transient Voltage Suppressors (TVS)

TVS Diode3.3VSOD-323ESD Protection

The SD03 is a 500W unidirectional TVS diode in an SOD-323 package, ideal for protecting 3.3V circuits from ESD and surge events.

Best for

  • USB 2.0 protection
  • Ethernet ports
  • General 3.3V signal protection

Avoid if

  • High-speed data lines where 195pF capacitance is too high
  • Bidirectional signal lines

Check before use

  • Signal frequency limits
  • Polarity orientation

Key specifications

Operating Voltage
3.3 V
Peak Pulse Power
500 W
ESD Immunity
±30 kV
Capacitance
195 pF

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsConnectivity

CAD Models

Download ECAD models for SD03: 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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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

1

A functional alternative in the same package with matched voltage, but a lower power rating that requires engineering review.

Needs validation

Design and risk insights

Questions & answers

The SD03 is a 500W unidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes, ESD, and lightning surges.