Products > Test Equipment

Fluke 189 with leaking surface mount supercap (also Fluke 287, Fluke 289)

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Excavatoree:

--- Quote from: mikeselectricstuff on November 05, 2013, 08:32:21 pm ---Just had a look in my 287 - some signs of corrosion on the cap

--- End quote ---

Great.  I tried to order the Elna part to replace my capacitor (small type, like Mike's picture above) and Digi-Key and Mouser are  out of stock.

The Panasonic part is only available in quantities of 2000 or more.

Are those the only choices?

For the larger cap used in the 189 and 89-V,  is the parts situation any better?    I may have missed it, but I haven't seen any recommended part numbers to replace this one.

Do I need to unsolder it and check underneath, or would leakage be visible from the top?

Maybe I'll make a Wiki page about this to summarize all the information and ask Dave to add it.

sotos:
Have the same problem.

tsmith35:

--- Quote from: Excavatoree on February 27, 2014, 01:03:47 pm ---Great.  I tried to order the Elna part to replace my capacitor (small type, like Mike's picture above) and Digi-Key and Mouser are  out of stock.

--- End quote ---

Just get this instead: http://www.digikey.com/product-detail/en/DSK-3R3H224U-HL/604-1020-1-ND/970232

Very slightly taller, but with 0.22F instead of the original 0.20F, and same footprint as the original.

sotos:

--- Quote from: tsmith35 on February 27, 2014, 07:10:33 pm ---
--- Quote from: Excavatoree on February 27, 2014, 01:03:47 pm ---Great.  I tried to order the Elna part to replace my capacitor (small type, like Mike's picture above) and Digi-Key and Mouser are  out of stock.

--- End quote ---

Just get this instead: http://www.digikey.com/product-detail/en/DSK-3R3H224U-HL/604-1020-1-ND/970232

Very slightly taller, but with 0.22F instead of the original 0.20F, and same footprint as the original.

--- End quote ---


Why not this?

http://export.farnell.com/taiyo-yuden/pas414hr-va5r/cap-super-60000uf-3-3v-smd/dp/2112777

tsmith35:

--- Quote from: sotos on February 27, 2014, 08:00:15 pm ---Why not this?

http://export.farnell.com/taiyo-yuden/pas414hr-va5r/cap-super-60000uf-3-3v-smd/dp/2112777

--- End quote ---
60000uf is only .06F, about 30% as much capacitance as the original.

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