Transient voltage suppressor diode circuit, What is a TVS Diodes - 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--tvs-diodes/usblc6-4sc6-stmicroelectronics-7131158