LCE20-E3/73

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TVS diodes have emerged as a reliable, cost effective means for providing transient overvoltage protection to electrical and electronic systems. The LCE20-E3/73 is a particularly popular, and effective, member of this range of protective devices.

Application Field

The LCE20-E3/73 is designed for overvoltage and signal protection specifically for industrial, automotive, telecommunications and computer applications. It has a highly reliable symmetrical design that is particularly suitable for protecting electro-optical digital systems against fast transients.

Businesses across multiple industries have benefited from the superior protection offered by these diodes. By drawing on their vast experience from working with aerospace, military and commercial customers, the designers of the LCE20-E3/73 have created a low-capacitance clamping solution that far surpasses conventional devices.

Working Principle

At the heart of the LCE20-E3/73 is a bidirectional diode. This is connected in parallel with a low-capacitance ESD suppression varistor - also known as a Transverse Energy Suppressor (TES). The combination creates both a low-capacitance and low-impedance path that facilitates the flow of energy during transient events.

When overvoltage discharges occur, the TES clamping device creates a low-impedance path directly to ground. This provides an escape route for the surge of energy, without damaging the sensitive electrical components or circuits. The bidirectional diode helps to protect agains currents flowing in either direction— increasing the level of protection the LCE20-E3/73 provides.

In addition to its low capacitance, the LCE20-E3/73 has the added benefit of being highly resistant to thermal shock, and so it is also capable of protecting against voltage spikes associated with rapid temperature changes. This makes the device particularly advantageous in hot and cold environments.

These characteristics could be applied to many different uses within industrial, automotive, telecommunications and computer applications— elevating the protection available to electrical and electronic systems.

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