LC28A

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TVS (Transient Voltage Suppression) Diodes are devices that protect systems from electrical disturbances that are inevitably caused due to voltage spikes or power surge. These disturbances would cause serious damage to sensitive electric or electronic components, resulting in malfunction of the system and potential financial losses. LC28A is a kind of TVS diode with excellent performance. It has become a popular device due to its features such as: high capacitance, low clamping voltage, and fast response time. This diode is ideal for the protection of a wide variety of systems and components from transient voltage surges.Its application field includes the automotive industry, consumer electronics, industrial control and power electronics. It can be used in various automotive systems such as: starter motors, alternators, power supply modules, and navigation systems. LC28A can also be used to protect consumer electronics products, such as photo printers, digital cameras, and CD players. In the industrial control and power electronics fields, it can be employed to protect precision machinery, programmable logic controllers, and power supply units.LC28A is composed of a plate made of zinc oxide (ZnO) and an isolation layer formed by silicon. The plate acts as a high capacitance device and is connected between two terminals. One of these terminals is connected to ground, while the other is connected to the power supply or equipment under protection. The plate acts as a capacitor and absorbs the transient voltage surges that are generated due to unexpected events. The ZnO plate is isolated from both terminals by the silicon layer, which prevents the current from flowing back into the equipment.When a voltage surge occurs, the device enters into breakdown mode. In this mode, it acts like a relay and diverts the energy of the voltage surge away from the equipment. The diode conducts current up to a certain threshold level and then switches off, preventing further damage to the system. Furthermore, its fast response time acts as a shield against transient voltage surges, protecting the system and its components from possible damage.In summary, LC28A is a popular TVS diode that offers excellent performance in a wide range of applications. It is composed of two main components- a ZnO plate and a silicon layer– and uses breakdown mode to divert the energy of voltage surges away from the system or component. Furthermore, its fast response time offers protection from unexpected transient voltage surges.

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