ESD clamp circuit, Electrostatic discharge protection, CAN BUS ESD Protection

https://www.futureelectronics.com/p/electromechanical--circuit-protection--esd-protection/pesd1can-ux-nexperia-2048845

PESD1CAN Series 50 V 9.3 pF SMT CAN bus ESD Protection Diode - SOT-323