Quote:
Originally Posted by TonyDuell
I think it's unlikely that '804' means 800nF and '803' means 80nF here, for several reasons :
1) That convention is relatively recent (although the colour code that essentially uses it is much older) and is unlikely to be used in a 1940s motor
2) If the capactors are those values then the smaller is 10% of the larger. I would think the tolerance on said capacitors would be 10% at least, so no real point in adding the smaller one.
3) In any case why not just have one slightly larger capacitor. I could accept that a capacitor of twice the value (say) would not fit conveniently into the available space but I would have thought one of just 10% more could have been designed to fit.
I wonder if the numbers are a part number, serial number, date code or something.
|
So how do I find out what the value is?
Of course I could put a 1uF in and see what happens, but don't want to wreck the motor, assuming I haven't already.