单词	varistor
释义	varistor /vɛːˈrɪstə / /vəˈrɪstə/ noun A semiconductor diode with resistance dependent on the applied voltage.The range is built by optimising combinations of various styles of inductors with the appropriate capacitors, varistors and other components to give a comprehensive range of suppression levels.... The varistor and the surge absorber protect electronic circuits from switching surge and static electricity. Otherwise, the damaged varistor material adversely affects the leakage current characteristics of the varistor chips. Origin 1930s: contraction of varying resistor.
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