mosfet to switch all your devices/leds/motors easily. This is the N-type, meaning you have to put it between the load and the ground.
Just like a relay, but spanning on 0-24V and very fast. Fast enough to use PWM actually. Useful to drive LED strips, motors, etc.
planar passivated sensitive gate 4-quadrant TRIAC for general purpose bidirectional switching and phase control applications. This series TRIAC is intended to be interfaced directly to microcontrollers, logic integrated circuits and other low power gate trigger circuits.