MXL1.5KE100AE3 Circuit Protection

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TVS – Diodes

Transient Voltage Suppression (TVS) diodes are sleek, compact devices that protect electronic circuits from being damaged by excessive or unwanted voltage transients. They are unidirectional electronic components that effectively limit the impulse voltage and protect connected circuits from suffering instantaneous overloads. Commonly referred to as lightning arresters, the MXL1.5KE100AE3 is a bidirectional, low capacitance, and high power transient voltage suppression diode.

MXL1.5KE100AE3 Application Field

This type of diode acts as an ideal mode of protection from transient voltage surges and electrostatic discharges, where incidents such as lightning strikes and voltage surges from electrical motors typically occur. Deployed in many varieties of applications, such as automotive electronics, data/signal lines, the MXL1.5KE100AE3 is used for the prevention of overvoltage and to provide ESD protection for data/signal lines. The device can also be utilized as an ESD protection component for automotive applications.

Working Principle

The MXL1.5KE100AE3 works based on the principle of a zener breakdown scheme. This implies that the diode is triggered by the switching of a voltage pulse, which is in excess of its breakdown voltage. When the voltage level exceeds its cut-off grade, the device goes into conduction mode and production of electron-hole pairs leads to the dissipation of transient voltage. This phenomenon helps in clamping down the voltage level up to a safe margin.

Under normal working conditions, the TVS diode is capable of limiting the excess pulse energy. On the other hand, in the event of a large voltage surge, it limits the current flow by forming series resistance. This feature helps in ensuring a safe guard to the circuit and prevents it from high power damage.

Operating Characteristics

Generally, the MXL1.5KE100AE3 features symmetrical bidirectional operation, low leakage current, and a high degree of clamping capability. In addition, its reverse working voltage is around 5.7V, and it maintains a very low capacitance of around 1.0 pF. Its Ipp (peak pulse current) has a value of 12 A, and its power rating is 5W. Finally, this TVS diode can be housed in a small form factor of only SOD-123F and comes with a maximum clamping voltage of 15V.

Conclusion

Due to its symmetrical bidirectional capacitance, low leakage current, and its ability to maintain a steady voltage level, the MXL1.5KE100AE3 is the diode of choice for many applications that require protection from voltage transients. Not only that, but the device features a very low capacitance of only 1.0 pF, and a high peak pulse current of 12 A. This makes it an ideal choice for a variety of automotive electronics, data/signal lines, and any other application that requires a robust and reliable TVS diode.

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