MXLSMCJ15CA Circuit Protection

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The MXLSMCJ15CA is an ultra-small surface mount Transient Voltage Suppressor (TVS) Diode. This device was designed to protect sensitive electronic components from energetic voltage transients. TVS Diodes have become an essential tool in today’s ever-evolving and interconnected electronic systems. The MXLSMCJ15CA is a 15 V bi-directional device with a low capacitance of 0.25 pF and offers 400 W of surge protection. It is housed in a very small and thermally efficient SOD-123 package.

The MXLSMCJ15CA has a wide range of applications in various industries. It is commonly used for connecting to cellular phones, PDAs, notebook, tablets, and other portable devices, as well as in automotive, consumer, and industrial electronics. It is also used to protect modern high-speed data lines such as USB and SATA, and in vending and gaming machines.

The working principle behind the MXLSMCJ15CA is based on the avalanche breakdown effect. When voltage across the device exceeds the breakdown voltage, known as the clamp voltage, the transistor turns on and conducts current between the two terminals until the voltage across the diode reduces to the normal operating level. In other words, the TVS diode is a voltage-controlled resistor that can be used to divert current away from sensitive components.

The device also features a built-in red-light emitting diode (LED) indicator that illuminates when the device is active, allowing for easy visual indicators for the user. The LED is powered by the current through the diode, and is able to handle up to 3A. This feature helps improve system safety and reliability while requiring minimal space.

The MXLSMCJ15CA is a low capacitance TVS diode that provides reliable protection for various electronic applications. It can handle high surge currents and voltages, and offers excellent clamping performance. Its small footprint and LED indicator make it an ideal solution for a wide range of applications.

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