The SMVA1253-079LF from Skyworks Solutions is a Varactor Diode with Capacitance 11 pF, Forward Continous Currenrt 20 mA, Reverse Voltage 15V@Ir = 10 µA, Operating Temperature -55 to 125 Degree C, Resistance 1.4 Ohms. Tags: Surface Mount. More details for SMVA1253-079LF can be seen below.