The K7803M-1000R3 with Power Modules SIP-3 RoHS manufactured by Bothhand is a 3-pin surface-mount module designed to provide a high output power solution for low-voltage applications. It features high efficiency, low noise, and a low dissipation power profile. The module has a maximum input voltage of 5.5V, a maximum output current of 1A, and an efficiency of up to 94%. The module also meets RoHS requirements, making it a safe and reliable way to provide power in industrial and consumer electronics.