BZX84C22-7-F – DIODES INCORPORATED

Overview

The DIODES INCORPORATED BZX84C22-7-F is a highly precise 22V Zener diode designed for robust voltage regulation in compact electronic systems. Its primary function is to maintain a stable output voltage, even under fluctuating input conditions, by shunting excess current. A critical design consideration for this SOT-23-3 packaged device is its ±6% tolerance, which, while acceptable for many general-purpose applications, necessitates careful selection and potentially additional filtering in sensitive analog circuits where tighter regulation might be paramount to prevent signal distortion.

Key Features

• Zener Voltage (Nominal): 22 V
• Maximum Power Dissipation: 300 mW
• Zener Impedance (Max): 55 Ohms
• Reverse Leakage Current: 100 nA @ 15.4 V
• Forward Voltage (Max): 900 mV @ 10 mA
• Package: SOT-23-3 (TO-236-3, SC-59)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

• Precision voltage reference for low-power microcontrollers.
• Overvoltage protection clamping in sensitive signal paths.
• Stabilizing bias voltage for discrete transistor amplifiers.
• Voltage regulation in battery-powered portable instrumentation.