The CMBZ5251B is a single Zener diode manufactured by CDIL. Supreme Components International is an authorized distributor of CDIL components, ensuring you receive genuine parts. This diode is designed for surface mount technology (SMT) and comes in a compact SOT-23 package. It features a Zener voltage of 20V with a tolerance of ±5%. With a power dissipation of 500mW, the CMBZ5251B is suitable for a variety of voltage regulation, voltage reference, and transient voltage suppression applications. Its small size and precise voltage characteristics make it a reliable choice for modern electronic designs. This Zener diode provides stable voltage control in a compact form factor.