The SMV1129-079LF from Skyworks Solutions is a Varactor Diode with Capacitance 19 pF@Vr=1 V, Forward Continous Currenrt 20 mA, Reverse Voltage 12 V@Ir = 10 µA (V) Min., Resistance 0.4 Ohms, Reverse Current 10 nA. Tags: Surface Mount. More details for SMV1129-079LF can be seen below.