DDZ9678-7 Zener Diode: High-Performance Voltage Regulation by Diodes Incorporated 2025-04-22 Discover the DDZ9678-7 Zener Diode by Diodes Incorporated a precision 1.8V voltage regulator with 5% tolerance, 500mW power handling, and a wide operating temperature range. Ideal for power supply, overvoltage protection, and reference voltage applications.