ULN2803ADWG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates at temperatures ranging from -40 to 85°C and has a max supply voltage of 3V. Ideal for applications requiring sink current flow direction in a small outline package style.
SZNUP2105LT1G by Onsemi is a Transient Suppression Device with 2 elements in a common anode configuration. It has a max non-repetitive peak reverse power dissipation of 350W and breakdown voltage of 29.1V. Ideal for applications requiring bidirectional polarity protection, such as automotive electronics and industrial equipment due to its AEC-Q101 compliance and high clamping voltage of 44V.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;