The MGV100-23-P55 from MACOM is a Varactor Diode with Capacitance 0.13 pF, Capacitance Ratio 2.3 to 4.4, Forward Continous Currenrt 100 mA, Power Dissipation 100 mW, Q factor 3000. Tags: Surface Mount, Ceramic. More details for MGV100-23-P55 can be seen below.