MBR130T1G by Onsemi is a Schottky rectifier diode with max output current of 1A and max repetitive peak reverse voltage of 30V. It operates b/w -65 to 125°C, suitable for surface mount applications in electronics requiring low forward voltage drop.
Bourns CDSOT23-SM712 is a bidirectional Transient Voltage Suppressor diode with 400W peak power dissipation and 20uA reverse current. Ideal for surge protection in applications requiring a max clamping voltage of 14V, such as IEC-61000-4-2 compliant systems. Operates b/w -55°C to 150°C with matte tin finish and Gull Wing terminals.
ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .6 A;