The SMVA1211-001LF from Skyworks Solutions is a Varactor Diode with Capacitance 5 pF, Forward Continous Currenrt 20 mA, Reverse Voltage 12V@Ir = 10 µA, Operating Temperature -55 to 125 Degree C, Resistance 0.4 Ohms. Tags: Surface Mount. More details for SMVA1211-001LF can be seen below.