NUP4301MR6T1G Circuit Protection

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TVS - Diodes

TVS (Transient Voltage Suppression) diodes are a form of overvoltage protection devices that are built to limit voltage spikes, usually during electric transients. They are designed to clamp the voltage generated by electrical transients and limit the voltage on a circuit to levels that can tolerated by the circuit\'s components. The NUP4301MR6T1G device is an excellent example of that the technology can offer.

NUP4301MR6T1G Application Fields

The NUP4301MR6T1G is a low capacitance, low voltage, unidirectional TVS diode. It is used to protect devices from transients in both the automotive and telecom industries. It is highly suitable for use in automotive ECUs, measuring, monitoring, and control boards. Likewise, it is also suitable for telecom equipment applications, such as wireless access points, baseband units, BTS, and femto base stations. It is also used for protection against surge in LED lighting applications.

Working Principle

When a transient occurs, the NUP4301MR6T1G responds by clamping the voltage below its peak level, allowing the device and any connected components to survive. The protective qualities are due to the PN junction of the device. When the same-direction voltage is applied to the device, the PN structure causes carriers to move and generate a lower voltage on the other side of the diode. This process starts immediately and reduces the overvoltage condition until it is taken away by the capacitance of the system or the normal load of the circuit.

Key Characteristics

The NUP4301MR6T1G is designed to absorb transients up to 800W of peak pulse power and 10A of surge current. Its low capacitance enables high-speed data transmission in parallel and serial data lines while allowing signal integrity. The package has an overvoltage/overcurrent protection feature, which prevents against catastrophic damage to the device. Furthermore, its low clamping voltage ensures that sensitive electronics remain safe when dealing with transients. As such, it is an excellent choice for applications where reliable, effective protection is a must.

Conclusion

The NUP4301MR6T1G is a low capacitance, unidirectional TVS diode that is designed to protect devices from overvoltage transients and reduce clamping voltages to safeguard sensitive electronics. It is suitable for use in automotive, telecom, and LED lighting applications. Its peak pulse power rating is 800W and it can handle up to 10A of surge current. The integrated overvoltage/overcurrent protection feature ensures that the device is not damaged due to excessive overloads.

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