The SMV2201-040LF from Skyworks Solutions is a Varactor Diode with Capacitance 0.855 pF@Vr=4 V, @Vr=10 V, 0.255 pF@Vr=20 V, Forward Continous Currenrt 20 mA, Reverse Voltage 22 V@Ir = 10 µA (V) Min., Resistance 6 Ohms, Storage Temperature -55 to 200 Degrees C. Tags: Surface Mount. More details for SMV2201-040LF can be seen below.