A customer has asked me to replace the battery backup in their JVC X’Eye.
So, I pulled the cap and it is a 5.5v 0.10F Super Cap with lead spacing at .200
I’ve looked at the service manual and it lists the part, but all it says is AL ECAP. Where all the other parts have the specs this one doesn’t probably cause it is such a standard part.
Went and sorted the parts on digikey and found plenty of equivalents, but not sure on which one to get as the only number that is unknown is the ESR.
Some have ohms and some have ohms @ 1khz. I measured the supercap I have and it comes back at 98ohms, but not sure if it is supposed to be 100, 120, 150, 200… and whether it is supposed to be rated at the ohm for 1khz. Without the info from the service manual and no datasheet not sure what to do. I thought having a lower esr was better, but don’t know how it will effect saving games if I choose the wrong one.
Anybody that can explain this to me so I understand would be greatly appreciated as I’m completely self-taught if that is obvious already.