The TOP265EG from Power Integrations is an active, isolated offline switch mode power supply (SMPS) controller chip designed to power high voltage electronics in a compact footprint.
X00619MN5AL2 is a highly efficient Sensitive Gate SCR that is designed to handle high surge currents and withstand high off-state voltage in a compact SOT-223 package.
QS8M13TCR is a MOSFET manufactured by Rohm Semiconductor, which is specifically designed to control high speed switching operations in various electronic circuits.
The Vishay Siliconix SI9433BDY-T1-E3 MOSFET is a P-channel metal oxide semiconductor field-effect transistor used for efficient power management in various electronic devices.