The MBP200G from Massachusetts Bay Technologies is a RF PIN Diode with Reverse Voltage 200 V, Series Resistance 2.6 to 3.5 Ohms, Thermal Resistance 65 Degree/W, Capacitance 0.03 pF, Operating Temperature -55 to 150 Degree C. Tags: Chip. More details for MBP200G can be seen below.