MXLP4KE7.5A Circuit Protection

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TVS (transient voltage suppressor) diodes provide a range of protection against electrical overstress (EOS) caused by electrical transients. The MXLP4KE7.5A is a bidirectional Transient Voltage Suppressor (TVS) Diode, specifically designed to protect sensitive electronic circuits from the damaging effects of lightning, spikes and other voltage transients. It is a type of diode that combines the features of a transient voltage suppressor (TVS) with a metal-oxide varistor (MOV).

The MXLP4KE7.5A is a unidirectional device consisting of an MOV and a Zener diode. It is designed to suppress positive and negative transient voltage events and respond quickly to lightning, surges, spikes, and other electrical transients. The device is rated at 7.5 amperes and can handle up to 20 volts of Continuous-Off Voltage. The device also features thermal resistance of 25.7 °C/W, a breakdown voltage of 6 volts, and a maximum clamping voltage of 18V.

The MXLP4KE7.5A is available in SMT and DIP packaging options. The SMT package helps in keeping the overall size of the board layout compact and allows for better thermal performance. The package also helps reduce radiation sensitivity and the risk of mechanical failure due to shock and vibration. The device is also backward compatible with other MXLP series devices, making it ideal for existing designs.

The typical application of the MXLP4KE7.5A is in providing protection to sensitive electronic equipment from transient voltage events caused by nearby lightning activity or by power surges. This device is suitable for protecting laptops, tablets, smartphones, LED lighting systems, medical equipment, gaming consoles, power adapters, and many other kinds of devices.

The working principle of the device is based on a combination of Zener diode and MOV technology. When an incoming voltage surge or voltage transient occurs, the Zener diode begins to operate and brings the voltage at the diode’s location down to its breakdown voltage. This reduces the peak of the surge or transient and helps in avoiding damage to the protected equipment. The MOV then works in paralleles with the Zener diode to suppress additional voltage. As the incoming voltages increase, the MOV begins to conduct, clamping the voltage at its peak and allowing it to slowly decay, thus providing protection from transient and surge events.

The MXLP4KE7.5A is a high-performance, cost-effective device that offers reliable protection from transient voltage events and power surges. Its unique design and combination of features make it an ideal choice for applications that require protection from by lightning activity or other voltage transients.

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