The 816AR4104-01 is a DC/DC converter module designed by Tamura Corporation. It is a small, low profile, switching power module designed for use in various industrial and automotive applications such as air-conditioning, communication, power source for engine control systems and any applications that require a stable DC voltage in small designs, such as laptops, cell phones, and cameras. The 816AR4104-01 has a wide input voltage range of 4.5V to 18V, output voltage of 3.3V, and a power output of 23W. It features a high efficiency of up to 95%, high temperature operation up to 150C, and a wide operating temperature range between -40C to 85C. The 816AR4104-01 also includes protection circuits such as short-circuit, over-current, and over-voltage. It is made with high-quality components to ensure excellent reliability and is compliant to EN55032/55035 class B limits as well as other EMI (Electromagnetic Interference) standards for automotive and industrial applications.