:The TLP172GM(TPL,E(O with Solid State Relays SOP-4-P2.54 RoHS is a 4-channel optically isolated PhotoMOS relay manufactured by Toshiba. It is a surface-mount device that is designed to operate from a single 5V power supply. Its input consists of four LED inputs to be driven by TTL/CMOS compatible drivers. The outputs are optically isolated and have a maximum load current of 500mA. It is highly reliable, has excellent temperature stability, and is RoHS compliant.