Hi, thanks for the info, what I could get is this MKP1848C61850JK2 from https://www.mouser.co.za/ProductDetail/Vishay-Roederstein/MKP1848C61850JK2?qs=%2Fha2pyFaduiaB6KwCqVWXme5VB04QBHq%2B%2FZrHlXH8rlPyC2aslauyA%3D%3D, from the physical dimensions the maximum capacitance is 18uF though refer to the datasheet https://www.mouser.co.za/datasheet/2/427/mkp1848cdclink-461049.pdf
Yes agree 100% with you regarding the fan, it will be a problem