BSS138LT3G by Onsemi is a N-CHANNEL FET with a min DS breakdown voltage of 50V. It is used for switching applications and has a max drain current of 0.2A and max drain-source on resistance of 3.5 ohm.
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .6 A;
Diodes Inc. BAV99-7-F is a series-connected, center tap diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.004 us and can handle up to 0.3A output current. Ideal for rectification applications requiring fast switching and low reverse current requirements.