Current transfer ratio (CTR : MIN.50% at IF=5mA, VCE=5V) High input-output isolation voltage: (VISO : 5,000Vrms) Compact dual-in-line package LTV-819-1 : 1-channel type LTV-819-2 : 1-channel type LTV-829 : 2-channel type LTV-849 : 4-channel type UL ...