The ACPL-6751L from Broadcom is a Space Qualified Optocoupler with a forward voltage range of 1-1.8 V and an insulation leakage current of 1 µA. It has a low output saturation voltage of 0.11 V and a low input current requirement of 0.5 mA. This surface-mount optocoupler has a capacitance value of 4 pF and a power consumption of 50-200 mW. It features a GaAsP light emitting diode that is optically coupled to an integrated high gain photon detector and has a common mode transient immunity of 500-1000 V/us. This optocoupler is designed for telephone ring detection, microprocessor system interface, voltage level shifting, line receivers, system test equipment isolation, process control input/output isolation, military, and aerospace applications.