JANTX1N5640A Circuit Protection

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JANTX1N5640A TVS - Diodes

Transient Voltage Suppression diodes, commonly referred to as TVS diodes, are an essential component used for protection against transients and surges in modern electronics circuits. The JANTX1N5640A is a unidirectional, dual-channel TVS diode designed to provide effective, highly reliable, overvoltage and surge protection with a fast response time. It is specifically designed to protect ultra-high-speed data and telecom transmission lines against electrostatic discharge and other transients.

Overview

The JANTX1N5640A is a high-performance, stand-alone device offering dual-channel protection from unwanted transients. The device is constructed using a silicon avalanche diode integrated with a thyristor structures, providing a high level of surge protection to both ground and supply lines. Its fast response time helps reduce the risk of damage to sensitive components occurring during transient events, while its low capacitance ensures minimal interference with signal lines. The device also offers exceptional ESD protection, with ratings up to ±15kV for contact discharge.

Features

• Unidirectional dual-channel TVS diode
• High reliability and overvoltage protection
• Low capacitance, fast response time
• High peak pulse power: 3200 W (10/1000 μs)
• ESD protection up to ±15kV contact discharge

Applications

The JANTX1N5640A is suitable for a wide range of applications, including telecommunications and wireless infrastructure, industrial and automotive systems, as well as consumer electronics. It is a popular choice for protecting signal lines and components from surges and transients in Ethernet, USB, HDMI, and other high-speed data lines. The device is also ideal for protecting against ESD in system designs which require high-end performance and reliable protection; the low capacitance ensures minimal interference with signal lines while the fast response time helps reduce the risk of damage caused by transient events.

Working Principle

With its dual-channel protection, the JANTX1N5640A provides reliable overvoltage and surge protection from both ground and supply lines. The device utilises a silicon avalanche diode which switches the thyristor structure into its low-impedance “on” state when a voltage is applied to its gate. This can be done expensively in a single phase or more reliably in a dual-phase. Once the threshold voltage is exceeded, the avalanche diode switches “on” and the thyristor triggers, becoming a low-impedance closed-circuit across the supply line. This offers effective protection from overvoltage, while at the same time allowing the device to remain “off” most of the time, minimizing the interference with signal lines.

The fast response time of the JANTX1N5640A prevents transient surges from damaging sensitive electronics, while the low capacitance ensures minimal interference with signal lines. The high peak pulse power rating of the device (3200 W) enables it to absorb and dissipate large levels of surge energy, helping to protect the system against electrical transients. The device also offers outstanding ESD protection, with ESD ratings up to ±15kV.

Conclusion

The JANTX1N5640A is a high-performance TVS diode available in a unidirectional dual-channel package. It provides reliable, highly effective overvoltage and surge protection with a fast response time, as well as ESD protection up to ±15kV. The device has a low capacitance, which helps reduce interference with sensitive signal lines, while its high peak pulse power rating helps protect against transient surges. The JANTX1N5640A is suitable for a wide range of applications, including telecommunications, industrial, automotive and consumer electronics applications.

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