The B1224S-1WR3 is a SIP (surface mount) power module manufactured by MORNSUN. It is compliant with the RoHS directive, which means it does not contain any hazardous substances, and is environmentally friendly. The module has a single in-line package (SIP) measuring 12.4 mm wide by 24 mm long, and provides up to 3W of output power. It accepts an input voltage of either 5 VDC or 12 VDC, and can output either 3.3 VDC, 5 VDC, or 12 VDC, depending on the application. It is suitable for a wide range of applications, including industrial machinery, instrumentation, aerospace, and automotive systems. The module is also designed to be reliable, offering protection against over-voltage, over-current, and short-circuit conditions.