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Series: SM7

Surface Mount Varistor for AC Line Protection
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The Littelfuse SM7 Series is a plastic-encapsulated surface-mount metal oxide varistor (MOV) transient voltage surge suppressor that is designed to be operated continuously across AC power lines.

The series comprises a Nylon molded package with tin plated lead frame for soldering to board. The surface mount SM7 Series is based on radial 7mm internal varistor element with similar characteristics to the Littelfuse LA / ZA series of varistor.

  • Electrical equivalent to leaded types LA/ZA series
  • Ac voltage ratings from 115 V to 510 V
  • No derating up to 85°C ambient
  • Good solderability
  • Supplied on a tape and reel
  • Application of AC power meters

SM7 Parts

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SM7 Applications

Highlights Section

  • Ac power meters

Series: SM7 Resources

SM7 Custom Products Request

Need your SM7 parts customized? Please let us know about yourself and your project needs, and a Littelfuse expert will be in touch about customizing our product(s) for you.

Please fill in the form below and we will be happy to help you with your request.

Please give a brief description of the product you would like to design and the application for which it will be used.