The TL431AIDT by STMicroelectronics is a voltage reference source with a voltage of 2.495V, accuracy of ±1%, current rating of 100mA, and package of reel, tape. It has a wide temperature range of -40°C to 85°C and is made with a SOT-23-3 plastic package. The TL431AIDT can be used in a wide variety of applications, including current source, voltage regulator, and voltage reference device. This device has a low impedance, low temperature coefficient, and low operating current. It also has a low-power shutdown and low-voltage lockout features.