1.AC fan running capacitor CBB61 2.1-150uf , 200-450v 3.good ... category : 40/70/21 or 40/85/213. Capacitance tolerance:±5% 4. Insulation resistance:≥3000SSpecificationRated Voltage : 200,250,370,400,440 ... : 1-150uf ,10+4uf , 12+5uf, 12+6uf ,10+5.5uf , 13+6uf ,etc .Diameter : 30,32,35,40,41 ... for the the start and turning of 50 Hz/60Hz AC Single motor , especially suit for micro pump ,micro fans , ...