Hi, got no answer for you, just want so say, same here, don't know exactly which photo coupler to buy VTL5C2 (4 pins) VTL5C3 (4 pins) VTL5C3/2 (5 pins) Looking forward to answers, tuning is not possible with trimpots. Christian
Message
Re: VTL5C2 opto coupler versus VTL5C3
2013-04-17 by Christian