引用第7楼安规007于2011-02-24 16:51发表的 :
EN60950-1:2006; M! D; u) A% l
1.5.9.1, q; l9 n/ n1 m$ I
NOTE 1 A VDR is sometimes referred to as a varistor or a metal oxide varistor (MOV). Devices " }1 [- q5 ^2 h* U- R+ T( e
such as gas discharge tubes, carbon blocks and semiconductor devices with non-linear voltage/current characteristics are not considered as VDRs in this standard.
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