The SMV1247 Series from Skyworks Solutions is a Varactor Diode with Capacitance 4.37 pF@Vr=1 V, 0.77 pF@Vr=4 V, 0.64 pF@Vr=10 V, Forward Continous Currenrt 20 mA, Reverse Voltage 15 V@Ir = 10 µA (V) Min., Operating Temperature -55 to 125 Degree C, Resistance 6 Ohms. Tags: Surface Mount. More details for SMV1247 Series can be seen below.