STM32F401CDY6TR by STMicroelectronics is a 32-bit microcontroller with 393216 ROM words, 50 MHz clock frequency, and 36 I/O lines. It is used in applications requiring high-speed processing, such as industrial automation and consumer electronics.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Qualification: Not Qualified;
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.