ICTE10C-E3/54 Circuit Protection

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TVS - Diodes

A Transient Voltage Suppressor (TVS) diode is an electronic device used to grant protection from overvoltage transients and is one of the key components of an electronic system. This particular device, the ICTE10C-E3/54, is a unidirectional Transient Voltage Suppressor (TVS) diode specifically designed to protect sensitive equipment from electrical overstress. This product is a glass passivated junction 400 W (10/1000 μs) diode with low breakdown voltage and excellent clamping characteristics with ESD protection.

Application Field

The ICTE10C-E3/54 is ideal for the protection of data lines, in automotive and industrial applications, against electrostatic discharge (ESD). It is also suitable for ultra-fast over-voltage protection of sensitive loads sensitive to malfunction due to ESD. Moreover, this device is highly suitable for the protection circuit in low-voltage applications, such as automotive and industrial equipment, as it offers a low clamping voltage and efficiency across a wide temperature range. Furthermore, its good high temperature stability and creepage distance makes it a reliable component in high fault energy systems.

Working Principle

The working principle of the ICTE10C-E3/54 is indeed rather simple yet effective. It is based on a unidirectional PN junction diode, which, when reverse-biased, functions like an open switch in which the voltage across the diode decreases. When the reverse-biased voltage across the diode exceeds a certain value (the breakdown voltage or clamp voltage), the diode conducts current and the enhanced junction capacitance of the diode starts to charge-up significantly.

Once the junction capacitance charges up, it can sustain an open-circuit voltage up to 30V. The junction capacitance also has the ability to discharge suddenly, allowing it to provide the ICTE10C-E3 a high breakdown voltage while still maintaining a low leakage current.

In normal operation, the ICTE10C-E3/54 is intended to short a high voltage spike from the . The device has built-in protection diodes and Zener diodes that help to protect against any sudden voltage drop, maintaining the DC supply to the load from the source.

The ICTE10C-E3/54 also has the ability to limit the inrush current of loads with high capacitance. This is done by connecting the diode in series with the load in order to limit the current surge and protect the source from a short circuit.

Conclusion

The ICTE10C-E3/54 is a unidirectional Transient Voltage Suppressor (TVS) diode specifically designed to protect sensitive equipment from electrical overstress. This particular device offers a wide range of applications due to its low breakdown voltage and excellent clamping characteristics, making it a reliable and efficient component in various automotive, industrial and low-voltage applications. It is also capable of providing effective and reliable protection against voltage spikes and inrush currents, assuring proper protection of the components in use.

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