CD214A-T54ALF

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TVS (Transient Voltage Suppressors) Diodes are useful components used to suppress voltage spikes, or transients, caused by lightning, electrostatic discharge, and other high energy signals. The CD214A-T54ALF is a popular TVS diode used in many applications.

Application Field of CD214A-T54ALF

The CD214A-T54ALF is an integrated ESD (electrostatic discharge) protective device. It is used in high performance consumer electronics and industrial applications, such as industrial-grade power management, automotive applications, and even home appliances. It is also suitable for use in applications where surge protection is critical, such as wireless charging, radio receivers, and LCD inverters. It offers superior ESD protection, with a maximum working current of 50A, and can protect against voltage spikes up to 500V.

Working Principle of CD214A-T54ALF

The CD214A-T54ALF uses the principle of avalanche breakdown to provide reliable voltage protection. It contains a metal-oxide semiconductor (MOS) structure, which acts as a single-stage voltage-clamping element, and is designed to limit the voltage on the source side of the MOS structure to a predetermined level during an ESD event. When a high voltage is applied to the diode, the voltage increases rapidly until it reaches the breakdown voltage. This voltage triggers the avalanche effect, limiting the voltage on the diode to a safe level. Once the voltage is reduced to a safe level, the breakdown process stops and the device works normally. It also offers low reverse capacitance, low leakage current, and fast response time.

Conclusion

The CD214A-T54ALF is a popular TVS diode that is used in a variety of applications, including consumer electronics, automotive, and industrial applications. It uses the principle of avalanche breakdown to limit the voltage on the source side of the MOS structure, protecting against voltage spikes up to 500V. It offers superior ESD protection, low reverse capacitance, low leakage current, and fast response time.

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