MXLP4KE170CAE3 Circuit Protection

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Transient voltage suppression (TVS) diodes provide a device to protect sensitive electrical components from surges in voltage, especially those caused by lightning. In order to make sure they will respond quickly and accurately, modern TVS designs employ planar diode technology that allows them to maintain low capacitance while providing excellent clamping capability. The MXLP4KE170CAE3 is a unidirectional device designed to protect against high-energy transients.

The MXLP4KE170CAE3 is a lead-free double-sided, dual-diode TVS with two low-capacitance – 170-volt breakdown voltage, four-terminal ESD protection diodes. It consists of two parallel-connected reverse-biased, high-speed thyristors that are activated when exposed to a transient pulse. It is capable of handling multiple reverse transient events with up to 8.5 joules of energy dissipation. The device is ideal for protecting vulnerable electronic equipment in automotive, computing, and consumer applications.

The primary purpose of a TVS diode is to protect an electronic circuit against excessive voltage caused by transients like electrical spikes or surges. A typical application field for a MXLP4KE170CAE3 is Automotive, Computing, and Consumer applications. It can be used on a wide range of automotive vehicles, such as EFI systems, CANBUS systems, ABS systems, differential systems, and automotive accessories. It can also be used to protect microprocessors, FPGAs, SRAMs, and similar products against electrostatic discharge (ESD) damage due to static electricity.

The MXLP4KE170CAE3 is a bidirectional device, which means it is able to protect against transient discharges in both directions through the device. The device will rapidly clamp both forward andreverse transient voltage surges to a safe level, and it can handle 8.5 joules of energy dissipation at 150 volts per milli second. The double-sided, dual-diode design ensures that any possible instantaneous surge will be clamped to a safe level quickly, while the low-capacitance design minimizes the effect on high-speed data signals

The working principle of this diode is relatively straightforward. When the voltage reaches the maximum breakdown voltage (VBR) break down voltage, the diode becomes conductive and starts to clamp the voltage and current of the circuit, preventing any further surge in voltage. This process is repeated until the voltage is reduced to a safe level, at which point the diode returns to its initial state and provides the circuit with protection against further transients. The device is also designed to limit inductive transients such as those generated by motors and generators.

In conclusion, the MXLP4KE170CAE3 is a unidirectional TVS diode with bidirectional protection capabilities. It is ideal for use in Automotive, Computing, and Consumer applications. The double-sided, dual-diode design ensures rapid clamping of both forward and reverse transient voltage surges with little effect on high-speed data signals. The device also provides protection against inductive transient events. With its low-capacitance design and its 8.5 joules of energy dissipation capability at 150 volts per millisecond, the MXLP4KE170CAE3 is an excellent choice for any designer looking for reliable ESD protection.

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