The MGV100-21-H20 from Cobham Metelics is a Varactor Diode with Capacitance 0.18 pF, Capacitance Ratio 1.7 to 3.8, Forward Continous Currenrt 100 mA, Power Dissipation 100 mW, Q factor 4000. Tags: Leaded. More details for MGV100-21-H20 can be seen below.