SM712.TCT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM712.TCT product

SM712.TCT

TVS - Diodes

TVS DiodeRS-485Surge ProtectionSOT23

The SM712 is a dedicated asymmetrical TVS diode for RS-485 bus protection, offering 400W surge handling in a compact SOT23 package.

Best for

  • RS-485 interface protection
  • Space-constrained industrial designs

Avoid if

  • Standard 5V/3.3V logic lines (use symmetric TVS instead)

Check before use

  • PCB layout guidelines for transient suppression

Key specifications

Peak Pulse Power
400 W
Max ESD (Air)
±15 kV
Operating Temp
-55°C to +125°C
Package
SOT23

Compliance & Environment

RoHS
RoHS Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

RS-485 CommunicationIndustrial Control

CAD Models

Download ECAD models for SM712.TCT: 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

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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 SM712 is a transient voltage suppressor (TVS) diode specifically designed to protect RS-485 data lines that operate with an extended common-mode range (+12V to -7V).