The Toshibas 2SK3116B, 2SK-3116, K3116, 3116 is a Transistor MOSFET N-Channel Silicon 600V 7.5A 3-Pins (3+tab) TO-220 In The FET Transistors, MOSFETs Category. Check Part Details, Parametric And Specifications.
The ESP32-S is a wireless module based on ESP32, supports Wi-Fi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There are also on board PCB antenna and metal shield.