BAV99LT1G by Onsemi is a series connected diode with 2 elements in a small outline package. It has a max reverse recovery time of 0.006 us and can handle up to 100V repetitive peak reverse voltage. Ideal for rectification applications, this diode operates b/w -65°C to 150°C temperature range.
BSS138K-13 by Diodes Inc. is a N-channel FET with 50V DS breakdown voltage, ideal for switching applications. It features single configuration with built-in diode, operating in enhancement mode. With 3 terminals and 0.31A max drain current, it offers high performance in small outline package style.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;