TLP3823 & TLP3825 Photorelays Toshiba TLP3823 and TLP3825 Photorelays are designed to replace mechanical relays in applications such as industrial equipment, inverters, HVAC equipment, building automation, and test equipment. These Photorelays are based on 8th generation UMOS trench MOSFET technology, enabling output currents that exceed 1A. The 100V TLP3823 offers a 3A drive current, and the 200V TLP3825 offers a 1.5A drive current.