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CD143A-SR3.3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CD143A-SR3.3 product

CD143A-SR3.3

TVS - Diodes

ESD ProtectionTVS DiodeSOT-143

The CD143A-SR3.3 is a 2-channel steering/TVS diode array from Bourns, optimized for ESD protection in portable electronics.

Best for

  • USB/Firewire ports
  • Ethernet interfaces
  • Portable device ESD protection

Avoid if

  • High-voltage power lines exceeding 3.8V

Check before use

  • PCB footprint compatibility

Key specifications

Working Voltage
3.3 V
ESD Protection
±30 kV
Capacitance
4.5 pF
Package
SOT-143

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8541100080.0

Application

ConnectivityConsumer Electronics

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CD143A-SR3.3: 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

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a steering/TVS diode array designed to protect two data lines from ESD and surge events in portable electronic devices.