Circuit Protection Devices, ESD, electrostatic discharge, TVS diode array,

 SP050xBA Series 8 V 30 pF Uni-Directional SMT TVS Avalanche Diode Array SOT-23-6

https://www.futureelectronics.com/p/electromechanical--circuit-protection--esd-protection/sp0505bahtg-littelfuse-8953713