SMF33A is a unidirectional surface mount (SOD-123FL) Transient Voltage Suppressor (TVS) diode manufactured by JSMSEMI and designed for ESD protection of high speed data lines, such as USB 3.0, Thunderbolt, HDMI, and DisplayPort. It is rated for 3.8A peak pulse current and 1uA reverse leakage current at 53.3V, 36.7V, 33V, and 40.6V. It is RoHS compliant and has 1,500W peak pulse power dissipation.