The LM431BQ, manufactured by SG Micro, is a high-performance adjustable precision shunt regulator designed to provide a stable and accurate 2.5V reference voltage. This device is commonly used in applications requiring precise voltage regulation, such as power supplies, instrumentation, and control systems. The LM431BQ features adjustable output voltage, low dynamic output impedance, and excellent temperature stability. Its TO-92 package makes it easy to integrate into various circuit designs. As an authorised distributor of SG Micro components, Supreme Components International guarantees the authenticity and quality of the LM431BQ. This shunt voltage reference offers a cost-effective solution for demanding voltage regulation needs.