The MGV100-27-P55 from MACOM is a Varactor Diode with Capacitance 0.13 pF, Capacitance Ratio 2.5 to 4.7, Forward Continous Currenrt 100 mA, Power Dissipation 100 mW, Q factor 3000. Tags: Surface Mount, Ceramic. More details for MGV100-27-P55 can be seen below.