TLP170D Overview
TOSHIBA Photocoupler IRED & Photo-MOSFET TLP170D PBX Modem ⋅ Fax Card Telemunication Security Equipment Measurement Equipment TLP170D Unit: mm The Toshiba TLP170D consists of an infrared emitting diode optically coupled to a photo-MOSFET in a 4-pin SOP package. This photorelay requires 1 mA of LED current to turn it on.