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SM30T21CAY AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM30T21CAY product

SM30T21CAY

TVS - Diodes

AutomotiveTVSBidirectional3000W

The SM30T21CAY is a high-power 3000W bidirectional TVS diode designed for automotive surge and ESD protection.

Best for

  • Automotive circuit protection
  • ISO 7637-2 surge suppression

Avoid if

  • Non-automotive applications where lower power ratings suffice

Check before use

  • Thermal dissipation requirements
  • PCB footprint compatibility

Key specifications

Peak Pulse Power
3000 W
Stand-off Voltage
18 V
Clamping Voltage
29.2 V
Configuration
Bidirectional

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

AutomotivePower Protection

Datasheet

SM30T21CAY-STMicroelectronics-datasheet-38726152.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM30T21CAY: 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

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 an automotive-grade, bidirectional Transient Voltage Suppressor (TVS) diode capable of handling 3000W peak pulse power.