1N4148WT-7 by Diodes Inc. is a fast recovery rectifier diode with a max reverse recovery time of 0.004 us and a max forward voltage of 1.25 V. It has a package style of small outline, making it suitable for surface mount applications where high-speed switching is required at temperatures ranging from -65 to 150 °C.
MBRS3200T3G by Onsemi is a Schottky rectifier diode with a max output current of 3A and a max forward voltage of 0.59V. It operates in temperatures ranging from -65°C to 175°C, making it suitable for power applications. The diode has a peak repetitive reverse voltage of 200V and is designed for surface mount installation in electronic circuits.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;