1V5KE27CA Circuit Protection

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Introduction:

TVS Diodes are a special type of semiconductor device designed to protect electronic circuitry from overvoltage transients such as electrostatic discharge (ESD), lightning, and other transient voltage surges. The 1V5KE27CA is a Transient Voltage Suppressor Diode (TVS) manufactured by Littelfuse, which is specifically designed to protect automotive applications from reverse and overvoltage transients.

Working Principle:

When the supply voltage exceeds the breakdown voltage of the diode, the diode turns on and diverts the transient voltage to ground. This prevents the voltage from reaching the protected circuit, thus protecting it from damage. The 1V5KE27CA diode is designed to provide fast clamping action to limit high-voltage transients from reaching the protected circuitry. The 1V5KE27CA has a breakdown voltage of 18V, with a clamping voltage ranging from 18 to 37V.

Features:

The 1V5KE27CA diode has a number of features that make it ideal for automotive applications. It has a low capacitance for superior protection from high frequency transients and can withstand high energy transients up to 4500W. It also has a low leakage current ensuring that the diode does not operate in continuous conduction mode. The robust design of the 1V5KE27CA is capable of providing protection against surges in both directions.

Application Field:

The 1V5KE27CA diode is designed for automotive applications such as ECU board ports, automotive media and audio systems, automotive wiring harnesses, battery protection systems, and battery powered equipment. It is also suitable for greater than 12V industrial applications such as communications, automation, and consumer electronics. The 1V5KE27CA diode can also be used in domestic appliances and building automation.

Conclusion:

The 1V5KE27CA is an optimal solution for automotive and industrial applications requiring surge protection from overvoltage transients. The device is designed for fast clamping action and can withstand high energy transients up to 4500W. With its low capacitance and low leakage current, it is an ideal solution for protecting circuits from reverse and overvoltages.

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