... 4.matte surface Membrane switch Multicolored printed ,embossedAppearance, long life, resistance to bendingmetal dome tactile membrane switch Our membrane switches/panels ... properties Operating voltage≤ 50VDCOperating Current≤ 100mAcontact resistance0.5 ~ 10ΩInsulation resistance≥ 100MΩ (100VDC)the substrates withstand voltage2kDVCrebound time≤ 6msloop resistance50Ω, 150 ...