Zener Diode 33V 0.5 Watt

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The 33V 0.5 Watt Zener Diode is a high-voltage regulation component used to maintain a constant 33V in reverse bias. Designed for low-power applications, this diode offers 0.5-watt power dissipation capability, making it perfect for protecting sensitive circuits from voltage spikes or for providing a stable voltage reference in high-voltage, low-current systems. It’s a reliable and essential component for engineers, hobbyists, and educators working with precision power regulation.

How It Works:

When connected in reverse bias, the Zener diode remains non-conductive until the reverse voltage reaches 33 volts. At that point, it enters breakdown mode and begins conducting, clamping the voltage across its terminals to 33V. This makes it highly effective for protecting circuits from excessive voltage and ensuring consistent performance in voltage-sensitive environments.

Typical Use Cases:

High-voltage reference in regulated power supply circuits
Over-voltage protection in analog and digital systems
Surge suppression in telecom and industrial applications
Voltage regulation in battery-powered high-voltage devices
Clipping circuits in signal processing applications

Limitations:

0.5W power dissipation limit — exceeding this without proper cooling may damage the diode
Not suitable for high-current applications
Voltage tolerance typically ±5%, which can result in small variations around 33V
Requires appropriate circuit design and heat management for reliable performance

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