MXLSMCJLCE120A Circuit Protection

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TVS (Transient Voltage Suppressors) diodes provide large surge current capability protecting circuits from voltage transients caused by lightning or AC power surges, and come in different configurations, such as bidirectional, unidirectional, positive-arm or negative-arm. The MXLSMCJLCE120A is a type of TVS-diode that provides reverse polarity protection and is specifically designed to protect consumer electronic equipment from transients caused by lightning and AC line surge events. This diode is typically used in applications such as automotive, medical, industrial, and consumer electronics that require protection from such events.

The MXLSMCJLCE120A provides a low capacitance and low clamping voltage for total protection of the end system. It has a breakdown voltage of 12V and peak power rating of 1200W, and it is designed to handle peak power levels up to 10 times higher than traditional discrete diodes. It also features a low clamping voltage of 11.4pF, which allows it to protect devices from higher-voltage transients more efficiently and effectively.

The operation of the MXLSMCJLCE120A’s protection diode can be divided into two parts. The first part is the avalanche or transient suppression stage, which is activated when a voltage transient is applied and the voltage at the diode’s anode exceeds the device’s breakdown voltage. When the diode is triggered, the second stage is activated: a current limiting stage. This second stage limits the current flow through the diode and, therefore, protects the device from the large, damaging voltage transient.

The MXLSMCJLCE120A also has a variety of features to ensure it is as reliable and effective as possible. It has a reverse bi-directional capability, which allows it to protect in either direction, making it ideal for AC line surge and lightning protection. It also features a low dynamic impedance, which allows it to effectively handle high voltage transients while still limiting current. The device is UL certified, and many components of it are RoHS compliant as well.

In conclusion, the MXLSMCJLCE120A is a type of TVS-diode designed to provide transient voltage and surge protection for consumer electronic equipment. It is designed to handle peak power levels up to 10 times higher than traditional diodes, has a low capacitance and clamping voltage, a reverse bi-directional capability, and is UL certified and RoHS compliant. It is an advanced and reliable diode that protects from voltage transients caused by lightning and AC line surges.

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