The 5962-8978504K from Broadcom is a Space Qualified Optocoupler with Forward Voltage 1 to 1.8 V, Power Consumption 50 to 200 mW, Capacitance 4 pF, Collector-Emitter Saturation Voltage 0.11 V, Common Mode Transient Immunity 500 to 1000 V/us. Tags: Surface Mount. More details for 5962-8978504K can be seen below.