MXLSMLJ36AE3 Circuit Protection

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TVS – Diodes

TVS’ (transient voltage suppressors) are specialized diodes and semiconductor devices used for protection against electrical impulses or spikes from external sources, or those generated by the board itself. They offer a high-precision, faster response time when compared to other protective elements such as fuses and ceramic capacitors.

MXLSMLJ36AE3 is one such type of TVS diode that is used for overvoltage and overcurrent protection in automotive, computer, mobile and other applications. It is a 400 Watt (peak) diode which offers reliable transient protection up to a working voltage of 36V.

Application Field

The MXLSMLJ36AE3 is used to protect sensitive electronic systems from electrical transients and power surges that could potentially damage them. In a vehicle, they can be found in the DC/DC converter, the power supply in the variable reluctance stepper motor, or the fuel level/temperature sensors. In mobile electronics, the applications can be in cameras, GPS systems, displays, and other sensitive electronic systems. In computers, they are found in the power supply, the USB power port, and other areas.

Working Principle

A Transient Voltage Suppressor is basically a semiconductor diode that is designed to limit transient voltages by clamping them to a safe level. This occurs when the voltage on the device exceeds its breakdown voltage (Vbr). When this happens, the device begins to conduct, and as a result, the energy that caused the transients is dissipated through it. In an ideal situation, the voltage over the TVS diode would remain close to zero, with no more than the forward voltage drop (Vf) of the device.

The MXLSMLJ36AE3, with its peak power rating, allows it to conduct high power transient currents while maintaining its performance. This is achieved by its combination of avalanche voltage and a lower than average junction capacitance. This ensures fast response times, and prevents triggering failed by false alarm.

Conclusion

Transient Voltage Suppressors are an important part of protection systems for a variety of electronic circuits and systems. The MXLSMLJ36AE3 diode is a great solution for providing reliable protection against overvoltage and overcurrent transients. With its high-precision response time and high power capability, it is an ideal choice for applications that require fast and reliable protection.

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