Types of esd protection, what is esd protection, Diode Arrays, esd clamp circuit

 USBLC6 Series 2 Channel 5.25 V SMT Uni-Directional ±15 kV ESD Protection-SOT-666

https://www.futureelectronics.com/p/electromechanical--circuit-protection--esd-protection/usblc6-2p6-stmicroelectronics-1291533