The MSS50,CR46-H40 from Cobham Metelics is a RF Schottky Diode with Peak Reverse Voltage 4 V min.@10 mA, Forward continuous Current 50 mA, Forward Voltage 0.45 to 0.55 V, Current 50 mA, Capacitance 0.24 to 0.3 pF. Tags: Surface Mount, N Type. More details for MSS50,CR46-H40 can be seen below.