Characteristic:

① The varistor voltage range is wide, with a single chip ranging from several volts to thousands of volts

② Low limit voltage (residual voltage)

③ Fast response speed (ns level)

④ Volt ampere characteristics of positive and negative symmetry

⑤ No relay

⑥ Many varieties and specifications (5D, 7D, 10D, 14D, 20D)

⑦ Passed the safety certification standards of CQC, VDE and UL

Application field:

① Over voltage protection of transistors, ICs, thyristor and semiconductor switching elements, as well as various electronic and electrical equipment

② Surge absorption and overvoltage protection of household appliances

③ Surge absorption of industrial electrical appliances

④ Electrostatic discharge and noise signal elimination

⑤ Surge absorption of relay and solenoid valve

⑥ Overvoltage protection of leakage switch

⑦ Lightning protection and overvoltage protection of telephone program-controlled exchange and communication equipment