In my junk I have quite a few dirty orange disc ceramic capacitors marked EKC CK63Y 103Z and EKC CK61Y 102Z. I know that they are 0.01 and
0.001 uufd respectively but I can't find anything on the working voltage. Anyone out there have any ideas?-- Thanks & 73 Hank WD5JFR
Googling for ck61 and capacitor found several links, including datasheets.
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On Sat, 14 Feb 2009 14:35:09 -0600, "Henry Kolesnik" put finger to keyboard and composed:
Military specs for CK61 and CK63 capacitors:
FWIW, this supplier lists capacitors by Murata Erie:
The US Patent Office lists several patents for capacitors, including ceramic types, assigned to Erie Technological Products Inc, eg ...
US Pat. 3153753 - Filed Jan 25, 1961 US Pat. 3467898 - Filed Aug 7, 1968 US Pat. 3988651 - Filed May 23, 1975 US Pat. 4388415 - Filed Sep 30, 1981
In 1981 Erie was acquired by Murata:
"In 1981, Mr. Murata decided he would like to acquire Erie Technological Products, which at that time was an old-line North American manufacturer of capacitors."
BTW, my guess is that the CK61Y capacitor has a rating of at least
500V, possibly 1KV, if "Y" is the voltage designator.- Franc Zabkar
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