The TLP555(TP1,F with Optocouplers SMD-8 RoHS is an electronic component manufactured by Toshiba. It is a time-delay relaying that exhibits both time delay and ON/OFF timing capabilities. It can be used to control motors, relays, solenoids, lighting, and heating. It comes in a compact package with an insulation distance of 8mm, and is RoHS compliant. It features an optical-isolated output structure, which provides high noise resistance, and it is suitable for applications requiring precise timing, pulse width, and multiple time ranges. The TLP555 also has an input signal isolation optocoupler that allows for switching times of at least 1µs.