The MBP200H from Massachusetts Bay Technologies is a RF PIN Diode with Reverse Voltage 200 V, Series Resistance 1.5 to 2.2 Ohms, Thermal Resistance 60 Degree/W, Capacitance 0.07 pF, Operating Temperature -55 to 150 Degree C. Tags: Chip. More details for MBP200H can be seen below.