The TPD2E2U06QDBZRQ1 uses bidirectional TVS (transient voltage suppression) diodes to clamp ESD and surge events on two protected data lines to a safe voltage level. In normal operation, the TVS diodes present only their extremely low junction capacitance (0.35 pF typical) to the protected lines, which is negligible even for multi-GHz signals and maintains signal integrity and eye diagram quality for USB 3.0, HDMI, and other high-speed interfaces. When an ESD or electrical fast transient (EFT) event occurs, the TVS diode rapidly avalanches and conducts the transient current to the GND pin, clamping the line voltage to 6.5 V at 3 A (IEC 61000-4-2, 8 kV contact). The bidirectional structure provides symmetric clamping for both positive and negative transients without requiring a directional bias. The device responds in sub-nanosecond time, faster than the rise time of IEC ESD waveforms. The SOT-23 package minimizes parasitic inductance, reducing voltage overshoot during fast ESD events. The automotive AEC-Q100 Grade 1 qualification ensures reliable operation from -40 C to +125 C with zero defects per million production quality.