The STEF05PUR from STMicroelectronics is an Integrated Electronic Fuse that has been designed to protect hard disk drives, solid-state drives (SSD), hard disk and SSD arrays, set-top boxes and DVD and Blu-ray disc drivers from damage. It requires an input voltage of up to 3.3 V and provides an output current of less than 3.6 A. This eFuse IC is optimized for monitoring output current and input voltage and has a controlled delay and turn-on time. It benefits from thermal protection, over-voltage, and over-load current protection circuits to prevent damage due to abnormal events. This eFuse IC does not degrade in performance after short-circuit-related conditions and will reset back either by recycling the supply voltage or using the Enable pin. It is available in a surface-mount package that measures 3.0 x 3.0 x 0.9 mm.