ERZ-C20EK821Y

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The ERZ-C20EK821Y is an energy absorbing varistor that is part of the TVS - Varistors, MOVs family. It voltage dependent device is used in electronic circuits to provide transient voltage surge suppression and other protection measures over a wide range of applications.

The ERZ-C20EK821Y is compact in size, making it ideal for applications with restricted space. It is compatible with printed circuit board assembly (PCBA) and surface mount assembly (SMTA). The device includes mounting holes and tabs provided on the corners for secure attachment.

Features:

• Absorbing transient voltage up to 800V
• Low capacitance for high speed applications
• High peak pulse power dissipation
• Wide operating temperature range -55°C to 125°C
• Compact size and easy to assemble

Application:

The ERZ-C20EK821Y is suitable for a variety of applications, including data line surge protection, battery-powered electronics, automotive electronics, telecom/datacom equipment, consumer electronics, and medical equipment. It is usually used in conjunction with a transient voltage bipolar diode (TVBD) or a switching regulator.

The device helps prevent electrical shock and fire in the event of power surges in the circuit by quickly suppressing high voltage transients. This allows for the safe operation of sensitive electronic equipment.

Working Principle:

The ERZ-C20EK821Y is a nonlinear varistor that works by converting the input voltage into a voltage that is proportional to the clamping voltage. This clamping voltage is determined by the flow of electrons in the device, which is regulated by a property known as varistors. This property allows the device to absorb any transient voltage rises that occur in the circuit.

When a surge of current enters the device, it causes an increase in the electric field within the device, triggering a flow of electrons. This flow of electrons creates an additional voltage that is counteracting the surge, thus lowering the voltage back to its original level. The ability of the device to absorb transient voltage above its rated voltage protects the circuit from any dangerous voltage spikes.

The ERZ-C20EK821Y is a vital component to ensure the safety and reliability of electrical systems. Its fast reaction time to transient voltage allows for instantaneous reactance and protection for delicate sensitive electronic equipment. It can protect circuits in a variety of applications and is widely used for industrial and home based applications.

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