Varistors


  • LA

  • Line Voltage Operation Radial Leaded Varistor

  • VMAX AC (V): 130, 140, 150, 175, 230, 250, 275, 300, 320, 385 more

  • VMAX DC (V): 175, 180, 200, 225, 300, 330, 369, 405, 420, 505 more

  • WTM (J): 11, 12, 13, 15, 20, 21, 22, 23, 25, 27 more

  • SM20

  • Surface Mount Varistor for use in applications requiring hi-energy / transient current capability

  • Polarity: Bi-directional

  • MSL: Level 1

  • Co Typ
    (pF):
     750, 800, 900, 1000, 1100, 1400, 12000

  • SM7

  • Surface Mount Varistor for AC Line Protection

  • Polarity: Bi-directional

  • Co Typ
    (pF):
     45, 50, 55, 60, 65, 70, 80

  • Vc (V): 710, 775, 850, 1025, 1120, 1190, 1200, 1240

pdficon AN9769 An Overview of Electromagnetic and Lightning Induced Voltage Transients

This application note is an overview of the sources and nature of various transient overvoltages and the problems that may result.