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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The SZSMF series is designed to protect sensitive systems or components from high voltage, high energy transients. It offers a fast response time, low Zener impedance, high surge and excellent clamping capabilities. Because of its small size, it is ideal for use in cellular phones, portable devices, business machines, power supplies and other industrial and consumer applications.

Features & Benefits:

  • Zener Transient Overvoltage Suppressors
  • Stand−off Voltage: 5 − 58 Volts
  • Peak Power: 200 Watts @ 1 ms
  • Low Leakage
  • Response Time is Typically < 1 ns
  • ESD Rating of Class 3 (> 16 kV) per Human Body Model
  • ESD Rating of Level 4 (8 kV Contact Discharge) per IEC 61000-4-2
  • EFT (Electrical Fast Transients) Rating of 40 Aper IEC 61000-4-4
  • Low Profile: Maximum Height of 1.0 mm
  • Small Footprint: Footprint Area of 8.45 mm2
  • Supplied in 8 mm Tape and Reel − 3,000 Units per Reel
  • Cathode Indicated by Polarity Band
  • Lead Orientation in Tape: Cathode Lead to Sprocket Holes
  • These components are Pb−Free and are RoHS Compliant
  • SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable


pdf icon xEV power train

pdf icon Automotive Electronics Applications Guide

This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

pdficon Unidirectional versus Bidirectional Protection

pdficon Application Hints for Transient Voltage Suppression Diode Circuits

pdficon TVS Diode SZSMFxxA Datasheet

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SZSMF10AT1G Zen TVS 200W 10V UNI SOD-123FL TR7 RoHS No 02/19/2019 PbFree No 02/19/2019 CoC_RoHS9_SZSMF10AT1G REACH205_Declaration_with_Pb_SZSMF10AT1G Yes
Contains IPC_SZSMFxxAT1G__ver2
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