Transient voltage suppressor diode, TVS zener diode, surge suppressor - tatanh1983/conchodom GitHub Wiki USBLC6 Series 4 Line 6 V Uni / Bi-Directional ESD Protection - SOT-23-6 https://www.futureelectronics.com/p/electromechanical--circuit-protection--esd-protection/usblc6-2sc6-stmicroelectronics-5742044