The APL431LBEC-TBG is a shunt voltage reference with a maximum current of 100mA. It is manufactured by Anpec and is part of the APL431 series. This device is an ideal solution for applications that require a stable voltage reference. The APL431LBEC-TBG is available in a small SOT-23 package, making it suitable for space-constrained applications. The device has a reference voltage of 1.24V, ensuring that the output voltage remains stable even with variations in input voltage. The APL431LBEC-TBG also has built-in protection features such as thermal shutdown, overcurrent protection, and reverse current protection, making it a reliable choice for various electronic applications.