This photo-relay uses a Darlington stage to increase sensivity. Any photo-transistor can be used. The rated voltage for the relay is the same of the power supply. Relays from 5 to 12 V can be used.
This photo-relay uses a Darlington stage to increase sensivity. Any photo-transistor can be used. The rated voltage for the relay is the same of the power supply. Relays from 5 to 12 V can be used.