Power over Ethernet (POE) interface power supply protection circuit diagram capable of maintaining signal integrity on the interface

The RClamp0524S TVS array is designed to operate at 5V, offering low line-to-line capacitance to preserve signal integrity on high-speed interfaces. This makes it particularly suitable for applications where data transmission speed and reliability are critical. When the PoE signal pair experiences different DC potentials, the split-pad TVS architecture provides essential electrical isolation between the differential pairs, ensuring both safe operation and strong surge protection within a single pair.

The device comes in a compact SOT-236L package, featuring an integrated diode array that simplifies PCB layout and reduces the need for additional components. This design not only saves space but also enhances performance in applications such as wireless access points, VoIP phones, and digital surveillance cameras. Its versatility allows it to be mounted either directly on a PCB or inside an RJ-45 connector, making it ideal for systems with limited board space.

With its combination of high-performance features and small form factor, the RClamp0524S is an excellent choice for engineers looking to protect high-speed PoE interfaces without compromising on efficiency or design flexibility. Whether used in networking equipment or IoT devices, this TVS solution ensures reliable protection against voltage surges and ESD events.

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