The BBY55-03W from Infineon Technologies is a Varactor Diode with Capacitance 18.6 pF (CT1), 15.0 pF(CT2), Capacitance Ratio 2.5 (2/10V), Forward Continous Currenrt 20.0 mA, Peak reverse voltage 16 V, Reverse Voltage 16 V. Tags: Surface Mount. More details for BBY55-03W can be seen below.