The MGV100-21-0805-2 from MACOM is a Varactor Diode with Capacitance 0.06 pF, Capacitance Ratio 2.4 to 4.6, Forward Continous Currenrt 100 mA, Power Dissipation 100 mW, Q factor 4000. Tags: Surface Mount. More details for MGV100-21-0805-2 can be seen below.