ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.
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.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;