TOSHIBA PHOTOCOUPLER IRED & PHOTO-IC TLP2118 TLP2118 PDP (Plasma Display Panel) FA (Factory Automation) Interfaces of measuring and control instruments Unit: mm The Toshiba TLP2118 consists of an infrared emitting diodes and integrated high-gain, high-speed photodetectors. The TLP2118 is housed in the SO8 package. Since the TLP2118 contains two photocouplers, it saves board space. The photodetector has an open-collector output stage. The photodetector has an internal Faraday shield that prov.