MAP4KE18AE3

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Transient voltage suppressors (TVS) are an important component of a circuit protection system and have wide application in consumer electronics, automotive electronics and industrial electronics systems. Their purpose is to protect circuits from electrical overstress such as electrostatic discharge (ESD), lightning pulses and other transient electromotive force (EMF). A transient voltage suppressor (MAP4KE18AE3) is an excellent device for preventing damage to sensitive electronics and providing a reliable path of low impedance for controlling current spikes.

The MAP4KE18AE3 is a voltage clamp that exemplifies the features of TVS devices. This device is an 18V bidirectional SOT‐23 (Small Outline Transistor) type suppressor that offers two discrete elements in one package. It features low stand-off capability of 0.75V and is also protected from ESD surges up to 25A (air) and up to 15A (direct) with a fast response time of < 1nS. Its response time and low capacitance make it suitable for use in high-speed applications. With its robust current carrying capability, it is able to withstand inrush currents and power surges for extended periods of time, making it an excellent choice for automotive and industrial applications.

The MAP4KE18AE3 is designed to protect a variety of electronics from potential damage due to ESD, power surges, transient spikes, glitches, or noise generated by electromechanical switching. The device can be used to provide protection against power transients on 12V to 24V power lines, as well as on bus and data lines. It can also be used to protect precision analog circuits (such as video, audio or analog-to-digital converters) from damage or incorrect functionality caused by pulsed power transients.

The working principle of the MAP4KE18AE3 is simple. When a transient voltage spike exceeds the clamp threshold voltage (Vbc) of the device, the voltage drop across it increases, which causes current to flow. This current passes through the device and is eventually dissipated in the load circuit. The device can handle voltages up to 18V and has a limited reverse leakage current to protect the load from reverse bias damage. Once the voltage has dropped back down below the clamp threshold, the device returns to its original low impedance state.

Overall, the MAP4KE18AE3 is an excellent device for circuit protection, offering fast response, excellent stability, robust current carrying capability and compatibility with a wide range of electrical applications. With its versatility and low power drain, it is an excellent choice for use in automotive, consumer electronics and industrial electronics applications.

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