ESD7461N2T5G Circuit Protection

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Introduction

ESD7461N2T5G is a TVS diode with a maximum repetitive peak pulse power of 7461 W and a high-speed response time of 5 picoseconds. This particular diode, operating between -40°C and 85°C, is designed for use in portable electronic equipment with high-speed I/O or ESD protection. The ESD7461N2T5G diode is a relatively new device, having been released by NXP in 2019. It is marketed as the first ultra-fast diode to exceed the 7kV ESD level across the entire I/O range. This device eliminates the need for multiple protection devices for high-speed I/O ports and provides superior protection for both signal and power rail applications in sub-nanosecond response times.

Application Field

The ESD7461N2T5G TVS diode offers a wide range of applications in portable electronics, such as tablets, smartphones, and wearable devices. It is ideal for devices with high-speed I/O, such as USB and HDMI ports, as well as digital I/O, FTDI and CEC signaling, and other low- to mid-voltage applications. This particular device is also well-suited for use in automotive and industrial applications and can be used to protect ECUs, sensors, and other devices from electrical overstress due to ESD (electrostatic discharge), EFT (electrical fast transient), and surge effects.

Working Principle

When an ESD or surge pulse is applied to an unprotected device, the voltage applied to the device can exceed its tolerance. In order to prevent this, the ESD7461N2T5G diode seeks to divert the energy away from the sensitive component by providing a low impedance path for the energy. When the ESD pulse is applied, the ESD7461N2T5G TVS diode transistors instantly avalanche, and the leads of the diode become shorted, creating a low impedance path for the current to flow, thus protecting the vulnerable devices. The avalanche is triggered by an I/O voltage that is greater than the VB or VD breakdown voltage levels of the device. Once the avalanche is triggered, the avalanche voltage of the diode will hold the voltage on the I/O terminals to the maximum allowable level.

Conclusion

The ESD7461N2T5G TVS diode is a high-speed, low-power device designed for use in ESD and surge protection applications. It has a maximum repetitive peak pulse power of 7461W and a 5 picosecond response time, making it ideal for use in portable electronic devices and other sensitive equipment. It is able to protect against ESD and surge pulses by providing a low impedance path for the energy, thus protecting the devices from electrical overstress. This makes it an ideal protection solution for a wide range of applications.

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