JANTX1N6117 Circuit Protection

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are semiconductor devices that can protect electronic circuits against damage caused by electrical transients, such as electrical overstress (EOS) or electrostatic discharge (ESD). They act as a clamp to suppress the voltage above a certain threshold, thus protecting the device from being damaged by the transient.

The JANTX1N6117 is an ultra-low capacitance TVS diode suitable for use in cellular phones and other equipment with high-speed communication ports. The JANTX1N6117 is capable of suppressing a transient voltage of up to 600 Volts. It has an ultra-low clamping voltage of 20V.

The JANTX1N6117 is suitable for applications such as port protection against Electrostatic Discharge (ESD) and EFT/B in cellular phones, digital cameras, PDAs, and other highly sensitive consumer electronic devices. It can also be used in automotive, industrial control, and medical applications requiring transient voltage suppression.

Working Principle of TVS - Diodes

A typical TVS diode consists of a PN junction diode, which when connected in a reverse bias, forms a dual junction. When the voltage across the diode exceeds a certain threshold voltage, the PN junction is forward biased and the diode conducts current. The voltage across the junction is then clamped, thus protecting the device from voltage transients.

The JANTX1N6117 is an ultra-low capacitance TVS diode and it works by clamping the transient voltage above a certain threshold, thus protecting the device from being damaged by the transient. The diode is configured in such a way that the voltage across the device is clamped to 20V. The diode also has a low inductance of 0.41nH and an ultra-low on-state resistance of 0.35Ω, making it suitable for high speed data transmission applications.

The JANTX1N6117 is also protected against overvoltage by a zener diode. The zener diode is connected between the anode of the TVS diode and ground. It acts as a safety measure to prevent the voltage across the diode from exceeding a certain level, thus protecting the device from any damage due to excessive voltage.

Conclusion

The JANTX1N6117 is an ultra-low capacitance TVS diode suitable for use in consumer electronic devices, automotive, industrial control, and medical applications. It can protect these devices from voltage transients by clamping them to 20V. It also has a low inductance of 0.41nH and an ultra-low on-state resistance of 0.35Ω, making it suitable for high speed data transmission applications. It is also protected against overvoltage by a zener diode.

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