The BB535 from Infineon Technologies is a Varactor Diode with Capacitance 18.7 pF (CT1), 15.0 pF(CT2), Capacitance Ratio 6.7 (2/25V), Forward Continous Currenrt 20.0 mA, Peak reverse voltage 30 V, Reverse Voltage 30 V. Tags: Surface Mount. More details for BB535 can be seen below.