Electrostatic protection, TVS Zener diode, transient voltage suppression diode - 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-5847520