The MMBZ5256BLT1G chip is a Zener diode array manufactured by ON Semiconductor. It consists of eight individual Zener diodes connected in parallel, each rated for 30V at 225mW. This array is designed for general purpose voltage regulation, protection, and reference applications. Its features include low-leakage current, low power losses, and high immunity to noise and surge voltage. Each diode in this array is capable of dispensing up to 25mA of continuous output current. The MMBZ5256BLT1G is widely used in automotive electronics, consumer electronics, low voltage communication systems, and other applications that require stable and reliable voltage regulation.