Infineon ESD101B102ELE6327: Bidirectional ESD Protection Diode for High-Speed Data Lines

In the realm of modern electronics, safeguarding sensitive integrated circuits (ICs) from electrostatic discharge (ESD) and electrical overstress (EOS) is paramount. The Infineon ESD101B102ELE6327 stands out as a highly specialized bidirectional ESD protection diode designed specifically to protect high-speed data interfaces, ensuring both signal integrity and robust system reliability.

This component is engineered to meet the stringent demands of today's high-frequency applications. It features an ultra-low capacitance of just 1.2 pF (typical), which is critical for minimizing signal distortion and attenuation on high-speed lines. This makes it an ideal solution for protecting interfaces such as USB 3.0/3.1, HDMI, and high-speed serial data links, where maintaining signal fidelity is non-negotiable.

Housed in a compact SOT-23 package, the ESD101B102ELE6327 offers a bidirectional clamping capability, providing effective protection against ESD strikes from either positive or negative voltage transients. It is rigorously tested to meet the IEC 61000-4-2 standard, offering a high level of immunity by withstanding ESD events up to ±15 kV (air discharge) and ±8 kV (contact discharge). This ensures that downstream chips remain unharmed from common electrostatic threats encountered during manufacturing or end-user handling.

Furthermore, its low dynamic resistance and fast response time ensure that damaging voltage spikes are clamped to a safe level almost instantaneously, diverting harmful current away from the protected IC. The device's excellent performance is achieved without compromising the data rate, making it a cornerstone for designing resilient communication ports, automotive systems, and portable consumer electronics.

ICGOOODFIND: The Infineon ESD101B102ELE6327 is an exceptional choice for designers seeking robust ESD protection without sacrificing the performance of high-speed data lines. Its optimal blend of ultra-low capacitance, high ESD robustness, and bidirectional operation provides a reliable and efficient defense mechanism for sensitive electronics.

Keywords: ESD Protection, Bidirectional Clamping, Ultra-Low Capacitance, High-Speed Data Lines, IEC 61000-4-2