Description : offering thyristor trigger pulse isolation transformer. Small size, pcb Mountable for coupling a trigger pulse generator to thyristor triac Isolation of small signals from power circuits. Epoxy molded. 4502-1:1 2502-1:1 4503-1:1:1 2503-1:1:1 4504-1:1:1:1 2504-1:1:1:1 4506-2:1 2506-2:1 4507-2:1:1 2507-2:1:1 miniature pulse transformer 4502-1:1 2502-1:1 4503-1:1:1 2503-1:1:1 we also manufacture transformer used in Mobile chargers we also make transformer as per customers requirements If detailed information is provided. 23mm diameter, 18mm height excluding lead height