The BZW04-128B is a high-performance unidirectional TVS diode manufactured by Diotec. This component is specifically engineered to safeguard electronic circuits from transient voltage events. With a power dissipation rating of 400W and a reverse standoff voltage of 128V, the BZW04-128B effectively clamps transient voltages, preventing damage to downstream components. Its unidirectional configuration ensures protection against positive polarity transients. The DO-15 package provides easy mounting and integration into existing designs. Supreme Components International is an authorised distributor of Diotec, ensuring you receive authentic and reliable components. This TVS diode is suitable for applications including telecommunications, industrial control systems, and consumer electronics where transient voltage protection is critical.