The SMV2019 Series from Skyworks Solutions is a Varactor Diode with Capacitance 1.51 pF@Vr=1 V, 0.81 pF@Vr=4 V, 0.44 pF@Vr=10 V, 0.35 pF@ Vr=30 V, 0.3 pF@Vr=20 V, Forward Continous Currenrt 20 mA, Reverse Voltage 22 V@Ir = 10 µA (V) Min., Operating Temperature -55 to 125 Degree C. Tags: Surface Mount. More details for SMV2019 Series can be seen below.