BZX84C8V2W-7 Discrete Semiconductor Products

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The BZX84C8V2W-7 diode is from the Zener diode family of diodes, and is a single diode. It is a silicon epitaxial planar type diode intended for use in applications requiring extremely low reverse leakage current and capacity between the terminals.

The applications for the BZX84C8V2W-7 include voltage regulation, stabilization and clipping circuits, where its low breakdown voltage level produces low on-state voltage drop. It also has many applications in reverse protection circuits, where its low reverse current permits an essentially constant voltage to be maintained regardless of small changes in temperature. The BZX84C8V2W-7 is suitable for use in many applications related to signal, power, and switch mode power supplies, specifically due to its ability to provide good zener action in the reverse direction.

The working principle of a Zener diode is based on its ability to begin conducting electric current when the voltage across the diode exceeds its Zener voltage or "breakdown" voltage. This occurs when the electrons are injected into the depletion region, and the electric field becomes strong enough to pull the electrons across the barrier and into the P-type material. As a result, a large number of stimulated minority carriers accelerate across the junction, and the electric current increases suddenly in an avalanche breakdown.

When a reverse voltage is applied to the diode, the diode begins to conduct. Since the Zener diode has a specific Zener voltage, it can operate as a voltage regulator and limit the voltage to this specific voltage. This offers the ability to ensure a steady voltage regardless of changing load conditions.

The BZX84C8V2W-7 has maximum ratings of 6.8V and 200mW, while operating temperature is between 0°C and +150°C. This diode is ideal for * applications where low reverse leakage current and capacity between the terminals are required, and is suitable for use in many applications related to signal, power, and switch mode power supplies.

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