The B0509S-2WR2 with Power Modules SIP-4 RoHS, manufactured by Bothhand, is a single-phase, bi-directional, four-pin power control module. It features operating voltage of up to 50VDC and current of up to 2A. The module is equipped with reverse voltage protection, short-circuit protection, over-temperature protection, and over-current protection. It also features a standard SIP-4 pin layout and is RoHS compliant. The module is designed for use in power switching applications such as motor drives, solar power systems, and DC-DC converters.