The MGV125-23-P55 from MACOM is a Varactor Diode with Capacitance 0.13 pF, Capacitance Ratio 3.4 to 8.6, Forward Continous Currenrt 100 mA, Power Dissipation 100 mW, Q factor 3000. Tags: Surface Mount, Ceramic. More details for MGV125-23-P55 can be seen below.