MXLCE150A Circuit Protection

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Transient Voltage Suppression (TVS) diodes are electrical components used to protect sensitive electronic circuits against transient overvoltages. They act as miniature surge-protectors to divert or clamp transient surges caused by nearby lightning or power lines, and provide improved levels of protection over traditional semiconductor protection products. The MXLCE150A is a diode manufactured by Vishay Semiconductors and is designed to provide protection from transient voltage and ESD (electrostatic discharge) in automotive and other industrial applications requiring high reliability components.The MXLCE150A is a single-channel, low-capacitance device that features an ultra-fast response time, a low trigger voltage, a high reliability rating, and a low on-resistance. Its design also allows for a wide temperature range of -55°C to 175°C, as well as a high peak nominal current rating of 100A, making it suitable for use in a variety of automotive and consumer electronic applications.The MXLCE150A’s working principle is based on its reverse avalanche breakdown. This type of breakdown occurs when an applied electric field strengthens until it reaches the reverse breakdown voltage of the silicon in the device, at which point a large number of electrons and holes are injected from the diode’s p-n junction into the depletion region of the device. As the current increases, the device builds up a space charge of excess electrons and holes, and a breakdown occurs. When a transient voltage is applied to the diode, it starts conducting current in the reverse direction, creating a low impedance path for the transient current. This helps to divert the energy from the transient surge away from the sensitive electronic components, thus protecting them. The MXLCE150A diode is ideal for automotive applications such as airbag control circuits, ESP systems, or other automotive body electronic modules where high reliability is required. It is also suitable for consumer-electronic applications such as cameras, video recorders, and mobile phones, as well as industrial applications such as modules or fixtures requiring protection against ESD events and transient overvoltages.In summary, the MXLCE150A diode from Vishay Semiconductors is a single-channel, low-capacitance device that enables superior performance in automotive, consumer, and industrial applications. It is designed to provide protection from transient voltage and ESD in these applications due to its reverse avalanche breakdown working principle. With its wide temperature range, low on-resistance, and high peak current rating, it is an excellent choice for any application requiring high reliability components.

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