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Offline goinbabcattandshotupTopic starter
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« on: July 31, 2012, 02:16:38 am »
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Hi , friend
I decide to build a 1500eti detectors , and i found a problem on my workshop , what is wrong is that in this MD use styroseal capacitors and i didn't found it in my workshop , I ask you help me which capacitors can i use instead of this type.
thanks
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Offline GoldDigger1950
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« Reply #1 on: July 31, 2012, 06:54:46 am »
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Styroseal is a brand name. Use Mylar.

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« Last Edit: August 02, 2012, 06:38:37 am by GoldDigger1950 » 		Logged
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Offline goinbabcattandshotupTopic starter
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« Reply #2 on: August 02, 2012, 05:26:48 am »
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thanks GoldDigger1950  Smiley
can i use MKT instead of mylar?


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Offline GoldDigger1950
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« Reply #3 on: August 02, 2012, 06:37:55 am »
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It depends mostly on the operating frequency and the ambient temperature. Staying within design specs is advisable. I'd spend a few cents on Mylar instead of risking problems during your power up testing.

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« Reply #4 on: August 02, 2012, 09:03:41 am »
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thanks GoldDigger1950
is the another name of Mylar cap ,multi_layer cap?

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Offline GoldDigger1950
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« Reply #5 on: August 02, 2012, 10:58:40 pm »
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Quote:Posted by goinbabcattandshotup
is the another name of Mylar cap ,multi_layer cap?

All film type capacitors are multilayer. Ceramics are not, for example, nor are plate capacitors. Electrolytic capacitors are multilayer foil. Mylar capacitors are. Because of that, they are very stable in a circuit and quite reliable. Not all multilayer capacitors are Mylar.

Just buy some, please. You are wasting time trying to find a substitute. Or, just substitute and live with the consequences.

Are you having trouble finding some? Try here:

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http://www.futurlec.com/CapMylar.shtml

No minimum order and cheap as pebbles. I order from them all the time.

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« Reply #6 on: August 03, 2012, 01:12:26 am »
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very nice GoldDigger1950
it was full of funny Cheesy Cheesy Cheesy
thanks a lot Grin



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Offline vanesavis18
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« Reply #7 on: March 08, 2013, 06:03:50 am »
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MD Capacitors are constructed using one layer of tissue paper and one level of plain Polypropylene movie as dielectric between two electrodes of broad supple annealed, 99.35% purity of Aluminum foil and have extended foil construction.

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