Can anyone help to identify this diode ?

[ARako.1]

It is on a smart turbo trainer PCB and I need to replace it. any help would be much appreciated 🙏🏻

EE

G3 729

Andras

[bouncingboffin]

A bit of googling came up with this https://www.st.com/resource/en/datasheet/stth112.pdf - do you know why such a beefy diode died?

[Tesla DeLorean]

ST DIODE EE

SM6T18A EE

https://www.st.com/resource/en/datasheet/sm6t18a.pdf