SIM card data line protection circuit diagram

The figure shows the SIM card data line protection circuit. SIM card data line protection has always been the focus of product design for various companies. When selecting devices for different purposes, avoid making the device operate near the limits of its design parameters. You should also select devices with fast enough response speed and high enough sensitivity based on the characteristics of the protected circuit and the characteristics that may withstand ESD impacts. , which is very critical to effectively play the role of the protection device. In addition, devices integrating other functions should also be considered. Many recent new products are more adaptable to the high integration and miniaturization requirements of portable devices. Integrating ES (TVS)/EMI/RFI protection into a single chip device can not only effectively reduce the space, but also greatly reduce device procurement costs and Processing costs.

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