Help Identifying This Capacitor?

Question

I'm in the process of repairing an LCD monitor, and I need to replace two Caps on the inverter section of the power board. The problem is, I don't know the name of this type of capacitor; the package is a yellow plastic cube with no markings other than "72=B52J 63" stamped on the top. They don't seem to be polarized, and where one has melted, the innards seem to be a single piece of solder-looking metal, no liquid electrolyte, no mica (as far as I can tell), no paper. Can anyone help me out here? I'm sure I can locate a source to buy some (mouser, digikey, etc...) if only I knew what to look for. The inverter functions intermittently even with these caps in their semi-melted state, if that helps at all.

Thanks, Mike Matthews

Watson A.Name - "Watt Sun, th · Accepted Answer

"m1ke dot m477hewz at gmail dot com"  wrote inmessage news:I'm in the process of repairing an LCD monitor, and I need to replacetwo Caps on the inverter section of the power board. The problem is, Idon't know the name of this type of capacitor; the package is a yellowplastic cube with no markings other than "72µ2J 63" stamped on thetop. They don't seem to be polarized, and where one has melted, theinnards seem to be a single piece of solder-looking metal, no liquidelectrolyte, no mica (as far as I can tell), no paper.Can anyone help me out here? I'm sure I can locate a source to buy some(mouser, digikey, etc...) if only I knew what to look for. The inverterfunctions intermittently even with these caps in their semi-meltedstate, if that helps at all.Thanks,Mike MatthewsThe 63 is the voltage, the J is the tolerance, which IIRC is 5%, and thefirst part is the capacitance, which is an extremely odd value, 72.2 uF.I would guess that a more common value such as 68 uF would be available.Why...

Graham W · Answer

The 'seven' is a stranger. The value will be 2u2F (2.2uF) and probably a polyester film type as it is non-polar.

-- Graham W

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Franc Zabkar · Answer

On 25 Aug 2005 15:45:08 -0700, "m1ke dot m477hewz at gmail dot com" put finger to keyboard and composed:

I don't know about the "7", but the rest suggests a 2.2uF 63V metallised film capacitor. I'm guessing the two caps are used in the RC snubbers for the two MOSFETs ???

- Franc Zabkar

m1ke dot m477hewz at gmail dot · Answer

actually, the 7 might be a slanted "T", maybe a manufacturer? (as Isaid, the package is a little melted.

Franc Zabkar · Answer

On 26 Aug 2005 16:05:57 -0700, "m1ke dot m477hewz at gmail dot com" put finger to keyboard and composed:MKT ???- Franc Zabkar-- Please remove one 's' from my address when replying by email.

m1ke dot m477hewz at gmail dot · Answer

Thanks alot guys, found the exact one I needed: your help.-Mike Matthews

m1ke dot m477hewz at gmail dot · Answer

scratch that, it was the wrong one. found the right one now... mouserpart # 	581-BF054D0225K

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