1V5KE51CA Circuit Protection

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 TVS diodes are nowadays among the most popular and efficient electrical components for electrical protection in a variety of applications. With its ability to suppress irregular high voltages and surges, TVS diodes can help ensure the safe and robust operation of electronics around the world. 1V5KE51CA is a popular series of TVS diodes manufactured by EPC. This article will discuss the application field and working principle of the 1V5KE51CA.

Application field

 The 1V5KE51CA TVS diodes are suitable for transceiver protection in the automotive industry, providing reliable protection against CCD protection, audio amplifier protection, EMI/RFI filtering, and transient voltage surge suppression. They have been designed for use in high speed automotive communication systems such as those commonly used in the in-vehicle infotainment segment and ADAS applications. The 1V5KE51CA TVS device has a low capacitance of just 0.23pF and an clamping voltage of 7.2V typically. This makes it ideal for use in applications where high-speed and low capacitance are required.

Working principle

 The 1V5KE51CA TVS diode works by absorbing and dissipating spikes in voltage. When it detects a high voltage spike in the circuit, the 1V5KE51CA will instantly switch to a low resistance state and divert the high voltage spike to its low resistance path to the ground. This will reduce the voltage spike to a harmless level and protect the circuit from damage.

 The 1V5KE51CA TVS diode is also equipped with current limiting and thermal protection. The current limiting feature turns off the device once the current exceeds 3A. This will prevent any further damage to the circuit by preventing equipment overheating. The 1V5KE51CA is also designed with a special thermal shutdown feature which will prevent the device from further overheating by automatically turning it off if the temperature exceeds 130°C.

Conclusion

 The 1V5KE51CA TVS diodes are perfect for applications requiring High speed, low capacitance, and reliable protection against voltage spikes. Thanks to its innovative current limiting and thermal shutdown features, it is capable of providing exceptional protection for automotive communication systems.

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