.The BL78L05 Linear Voltage Regulators SOT-89 (SOT-89-3) RoHS manufactured by Belling is an advanced three-terminal positive voltage regulator. This regulator has a wide operating voltage range of 3.2V to 40V and can supply a maximum load current of up to 5A. The device is specially designed to stabilize the output voltage in the presence of changing load current, line voltage, or temperature fluctuations. It is available in an SOT-89-3 package and is compliant with RoHS lead-free regulations. Its features include low dropout voltage, reverse polarity protection, and thermal overload protection. This voltage regulator is suitable for use in a range of applications including general-purpose, industrial, automotive, and consumer electrical circuits.