LCE28A-E3/73

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TVS - Diodes:

The LCE28A-E3/73 is an example of a TVS diode. TVS diodes (also known as Transient Voltage Suppressor or Voltage Suppressing Device) are designed to protect against voltage spikes in electrical systems, providing an extra layer of insurance for sensitive components that may otherwise be damaged by a sudden voltage surge.

The LCE28A-E3/73 is designed for use in automotive applications where peak voltage protection is needed, such as electronic ignition systems. It is a bi-directional device, meaning it can provide protection from both positive and negative spikes.

The LCE28A-E3/73 is composed of two zener diodes connected back-to-back. Zener diodes are unique in that they are designed to allow current to flow in the reverse direction when the voltage reaches a certain level. This is the part of the TVS diode that provides protection, because it ensures that any voltage spike is conducted away from the sensitive components and dissipated as energy. The exact level of protection can be adjusted depending on the size of the TVS diode.

When the voltage exceeds the set level, the electricity is diverted away from the protected component and into the zener diode. This causes the diode to “breakdown” and the current is conducted away. This effectively limits the voltage spike to a safe level, protecting the component from damage.

The LCE28A-E3/73 provides 600W peak power dissipation at 10/1000μs pulse widths, and 200W peak power dissipation at 10/100μs pulse widths. It has an operation temperature range of -55 to 125°C, and its plastic package (DO-41) provides high thermal resistance for efficient heat dissipation.

In summary, the LCE28A-E3/73 is an example of a TVS diode designed to provide a layer of protection against voltage spikes. It is composed of two zener diodes, and its operation temperature range and plastic package provide efficient heat dissipation. It is an ideal choice for automotive applications where peak voltage protection is needed.

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