The BBY57-02V from Infineon Technologies is a Varactor Diode with Capacitance 17.5 pF (CT1), 8.0 pF(CT2), Capacitance Ratio 2.45 (1/3V), Forward Continous Currenrt 20.0 mA, Peak reverse voltage 10 V, Reverse Voltage 10 V. Tags: Surface Mount. More details for BBY57-02V can be seen below.