MXP4KE18CA Circuit Protection

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TVS (Transient Voltage Suppressors) is a type of diode that is used to provide protection against overvoltage and short circuits. TVS diodes are commonly used in a variety of electronic circuits and their applications range from protecting automotive electrical systems from voltage and current transients, to providing overvoltage protection on consumer electronics and communication networks. The MXP4KE18CA TVS diode is one of the many available TVS diodes on the market, designed to protect automotive and industrial networks from transient voltage and overvoltage spikes.

The MXP4KE18CA is a unidirectional transient voltage suppressor diode. This diode has an 18-volt maximum peak pulse power rating at 1 amp and it can withstand a maximum non-repetitive surge current of 6500 amps peak and 1500 watts peak pulse power double pulse. Its maximum clamp voltage is 42 volts and it has an operating junction temperature range from -55°C to +150°C. The diode is packaged in a standard TO-252 (D-Pak) surface-mount plastic package.

How does the MXP4KE18CA diode work? The diode can clamp and absorb overvoltages in a power supply line or communications line, like an inductor does for a surge of energy. When the voltage on a line passes through the breakdown voltage point (clamping voltage) of the diode, it begins to conduct, allowing current to flow through the diode and dissipate any energy in the pulse. This effectively reduces the voltage and current spike before it can damage susceptible components.

The MXP4KE18CA diode is used in automotive, industrial, and telecommunications applications. In the automotive industry, it is mostly used for EMI/RFI protection of electrical systems. The diode can also be used for overvoltage protection on electrical power lines, electrical power systems, and in other applications like circuit breaker controls, lightning protection systems, surge protectors, and electromagnetic ECU protection. It can also be used for overvoltage protection in transformer and AC adapter designs.

In the telecommunications industry, the diode can be used in telecommunication systems, CPEs, optical networks, DSL modems, LANs, and xDSL. It can also be used in communications and power lines, cellular base stations, switching and routing networks, and power lines in mobile systems.

The MXP4KE18CA TVS diode is a reliable device for protection against transient voltage and overvoltage spikes. The low leakage current, low clamping voltage, self-healing nature, and fast response make it a serious candidate for industrial and automotive applications. The robust design of this diode also ensures that it can withstand short-term overvoltages and provides years of reliable service.

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