SBAV99LT1G by Onsemi is a rectifier diode with a max repetitive peak reverse voltage of 100V. It has a small outline package style and a fast max reverse recovery time of 0.006 us. It is commonly used in applications requiring low power dissipation and high operating temperatures.
MMSZ5245BT1G by Onsemi is a Zener diode with 15V nominal reference voltage, 8.5mA test current, and 16 ohm dynamic impedance. It is used in applications requiring precise voltage regulation in a compact SMD package for temperatures ranging from -55 to 150°C.
STM32H743ZIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications, offering features such as 21 timers, CAN and USB connectivity, and low power mode.