TOSHIBA Photocoupler IRLED & Photo Transistor TLX9000 Various Controllers Signal transmission between different circuit potential HEV (Hybrid Electric Vehicle) and EV (Electric Vehicle) Applications TLX9000 Unit: mm The TOSHIBA TLX9000 mini-flat photocoupler is suitable for surface-mount assembly. The TLX9000 consists of an infrared LED optically coupled to a photo-transistor. This photocoupler can be used to the extensive applications. It is generic speed transistor output. C.