The BAR63-05 from Infineon Technologies is a RF PIN Diode with Frequency Up to 3 GHz, Insertion Loss 0.1 to 0.15 dB, Isolation 10 to 17.9 dB, Forward Voltage 0.95 to 1.2 V, Forward Current 100 mA. Tags: Flatpack. More details for BAR63-05 can be seen below.