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Old 8th November 2003, 06:26 PM   #1
mouse is offline mouse  United States
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Default Help identify value of cap

I have a powered subwoofer that recently went dead due to a burned up cap. The company who designed and manufactured it is out of business, therefore, a schematic and parts list is unavailable. Since the cap in my sub is unmeasureable due to the damage, a friend who has the same model sub let me pull his amp board to get a look at the cap. It is a small, orangish-beige axial design, with a "^" symbol directly over the shaded bottom half of a circle. Below this arrow and half circle symbol is the number "520". On the other side of the cap are the numbers "104" with the letters "ZES" or "ZE5" below it (hard to make out even with a magnifying glass). Many thanks to anybody who might know what the value of this cap is.
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Old 8th November 2003, 08:36 PM   #2
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The 104 would indicate a 100nF value (or 10 with four zeros 100,000 pF) or alternatively 0.1uF........

Sounds to me like its a ceramic, but a bit hard to tell from your description. Does it look like this?
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Old 8th November 2003, 09:47 PM   #3
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mouse,

indeed, wintermute got it right, the value is 100nF.
ZE5 must be ceramic.
Make shure you use high voltage rating for the new one as there seems to be no rating on the defective unit.

Dick.
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Old 8th November 2003, 11:22 PM   #4
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dun worry though...most ceramcs are designed for at least 230V or more...more commonly found are the 1kV types...they are even cheaper than the 230V versions...wonder why...as to why your sub failed when this thing blew...I am also scratching my head...how could it fail in this application?? They have quite long lifes...
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