Its used in a can bus interface right after an sn65hvd251 / "vp251 markings" transceiver
Z07D markings, sot 363 casing
pin
1 from vp251
2 ground
3 out to an stm32
4 from vp251
5 vcc 3.3 volts
6 out to an stm32, pulled to vcc 3.3 k thru 10k ohms
No direct connections or low ohms between in and outs, not sure its an esd protection device ?
Searched on smd databases, nothing conclusive ?
thks