ERZ-E11B471CS

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A TVS - Varistor, MOV or ERZ-E11B471CS is a device designed to protect semiconductor components or printed circuit board assemblies from electrostatic discharge (ESD) or transient voltage surges. The device works by clamping the applied voltage to a safe level, thus limiting the amount of damage that could result from an ESD or surge event. The ERZ-E11B471CS is a low capacitance unidirectional paracaídas, meaning it is designed to protect circuits during unidirectional voltage surges and not during common mode (both directions) overvoltage events.

The ERZ-E11B471CS is a surface mount device with an industry standard DO-214AC package. It has a breakdown voltage of 11V and is designed to dissipate 7,000W. The package includes two mounting holes to allow PCB mounting for extra stability. This device has a low capacitance of 4.5pF (between terminals and 1nF between pairs) which makes it ideal for use in high frequency applications where low capacitance is important.

The working principle of the ERZ-E11B471CS is based on its action as a varistor. A varistor is a variable resistor, whose resistance changes with the applied voltage. When an AC voltage is applied to the device, the resistance varies depending on its magnitude. If the magnitude of the applied voltage is between the breakdown voltage and the maximum peak surge voltage rating, the device behaves as a low resistance and current passes through it. If the peak voltage exceeds the maximum surge voltage rating then the resistance increases significantly and the device breaks down, thus clamping the voltage and limiting the amount of current through the device.

The most typical application for the ERZ-E11B471CS device is to protect circuits from transient ESD and surge voltages. It can also be used in telecommunications systems for T1/E1 line protection, in automotive applications to provide surge protection, and for industrial ESD protection. As it has a low parasitic parameters such as capacitance and inductance it makes an excellent choice for high frequency applications.

The ERZ-E11B471CS is a robust device that can withstand a wide range of temperatures and operating conditions. It is an ideal choice for protecting modern electronic circuits from ESD or transient voltage surges. This device is simple to use and is compact enough for use in most electronic devices and PCB assemblies. It is a cost-effective and reliable solution for transient voltage protection.

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