The SMV1143 Series from Skyworks Solutions is a Varactor Diode with Capacitance 12.9 pF@Vr=1 V, 6.87 pF@Vr=4 V, 3.82 pF@Vr=10 V, 3.25 pF@ Vr=30 V, Forward Continous Currenrt 20 mA, Reverse Voltage 12 V@Ir = 10 µA (V) Min., Operating Temperature -55 to 125 Degree C, Resistance 0.65 Ohms. Tags: Surface Mount. More details for SMV1143 Series can be seen below.