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.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM317T/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount with three terminals for easy installation.