Help with capacitor idenification please

Apr 03, 2009 2 Replies

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tommi 17 years ago

Can you help me work out the values of these two capacitors?

The first capacitor is much bigger than the second. Can you make a very approx guess at the VOLTAGE RATING of the capacitors?

Thanks!

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FIRST PHOTO (click for close-up)

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capacitor markings:

F474K R

630 MPP 1

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SECOND PHOTO (click for close-up)

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capacitor marking:

104

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Franc Zabkar 17 years ago

On Fri, 03 Apr 2009 05:24:25 +0100, tommi put finger to keyboard and composed:

This is a good reference:

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104 = 10 x 10^4 pF = 0.1uF F474K = 47 x 10^4 pF = 0.47uF +/- 10% 630 MPP = 630V Metallized Polypropylene Film Capacitor

The voltage ratings can often be deduced from an understanding of the application.

- Franc Zabkar

Please remove one \'i\' from my address when replying by email.

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Eeyore 17 years ago

Where's that ?

100nF - mylar would film ( polyester ).

Graham

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