1.5KE18CA-E3/54 Circuit Protection

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TVS - Diodes

TVS (Transient Voltage Suppression) diodes are used to protect electronic components against damage caused by transient voltage events such as electrostatic discharge (ESD) and lightning. A TVS diode is a highly reliable, semiconductor component designed to tolerate large surge voltages and peak pulse currents. The 1.5KE18CA-E3/54 TVS diode is a fast, unidirectional breakdown device specially designed for electronic protection applications.

Application Field

The 1.5KE18CA-E3/54 TVS diode is specifically designed for ESD protection. It is commonly used in portable electronic devices such as cell phones, digital cameras, and PDAs. It is also suitable for use in automotive, computer and telecommunications applications. The diode features a low operating voltage of 5.8V, a breakdown clamping voltage of 18V, and can provide protection over a wide range of operating conditions. The 1.5KE18CA-E3/54 TVS diode can also be used in power supplies, SCR and TRIAC control applications, in which it will provide additional protection from transient voltage events.

Working Principle

A TVS diode consists of a diode and a resistor in series and/or in parallel. When a transient surge occurs, the diode will conduct current to clamp the voltage to a safe level. The resistor will then dissipate the excess energy. The 1.5KE18CA-E3/54 TVS diode is designed to be triggered by a voltage level of 5.8V, and it has a maximum clamping voltage of 18V, which is designed to provide protection against overvoltage. A TVS diode will clamp the voltage to a safe level during a transient event, and provide additional protection by dissipating the excess energy.

Once a TVS diode has been subjected to a surge voltage, it is designed to recover in a few nano-seconds. The device is also designed to provide protection from multiple transient events, with no need for resetting or replacing. The 1.5KE18CA-E3/54 TVS diode also features a temperature coefficient of 900ppm/K, which helps ensure that it can provide optimal protection even in extreme temperature conditions.

Benefits

A TVS diode provides effective protection against transient voltage events. It is much faster and more reliable than traditional surge protection devices, and can be used in a much wider range of applications. In addition to providing protection against ESD and lightning, the 1.5KE18CA-E3/54 TVS diode can also be used to protect power supplies, SCR and TRIAC control applications, and other applications in which it can provide an effective level of protection from sudden voltage fluctuations.

Conclusion

TVS diodes are designed to provide effective protection against transient voltage events, such as ESD and lightning. The 1.5KE18CA-E3/54 TVS diode is specifically designed for ESD protection, and is suitable for use in a wide range of applications, including portable electronic devices, automotive electronics, computer and telecommunications applications, and power supplies. The diode features a low operating voltage of 5.8V and a breakdown clamping voltage of 18V, and it can provide protection over a wide range of operating conditions. In addition, the diode features a temperature coefficient of 900ppm/K, which helps ensure that it can continue to provide reliable protection even in extreme temperature conditions.

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