TOSHIBA Photocoupler Infrared LED & Photo Diode TLX9910 Automotive MOSFET Gate Drivers The TLX9910 is a photocoupler in the SO6 package that consists of an infrared light emitting diode optically coupled to a photodiode array. The photodiodes are connected in series, making the TLX9910 suitable for MOS gate drive applications. Open voltage: 13.5 V (min) Short current: 8 μA (min) Isolation voltage: 3750 Vrms (min) AEC-Q101 qualified TLX9910 Unit: mm Pin C.