RGP15A THRU RGP15M SINTERED GLASS PASSIVATED JUNCTION FAST RECOVERY RECTIFIER is a rectifier from ROHM. Its maximum reverse voltage is 50-1000 volts and maximum forward current is 1.5 amps.
GP60A THRU GP60M are sintered glass passivated junction rectifiers with GPRC (Glass Passivated Rectifier Chip) inside, maximum reverse voltage 50-1000V, maximum forward current 6.0A.
The MMBD2838 is a monolithic dual switching diode from Zowie Technology Corporation. Its maximum peak reverse voltage is 75 Vdc and its maximum average rectified current is 150 mAdc. Its maximum total device power dissipation is 225 mW.