The 78L05G-AB3-R is an SOT-89-3 (Small Outline Transistor-89-3) RoHS, Linear Voltage Regulator, manufactured by Unisonic. It is a three terminal negative voltage regulator which offers a fixed output voltage of -5V, capable of supplying load currents up to 100mA. With its over temperature protection and short circuit protection, the 78L05G-AB3-R is an ideal choice for low voltage, steady current supplies. It has a wide operating temperature range of -40C to +125C, making it suitable for a variety of applications. The device is also RoHS compliant, making it environmentally friendly.