a condensor is labelled 4k7 , what it mean ? what ll be code in terms of other units

[rajaram04]

hello sir
a condensor is labelled 4k7 , what it mean ? what ll be code in terms of other units ?
thanks

 

[jiripolivka]

4k7 means 4700, usually in pF.

 

[rajaram04]

ohh kk so another marked code other than 4k7 on capacitor will be . . . . ???????????

 

[ArNvC]

4k7 is 4.7nf precisely. You can also say its 4700pf .Whats the other code?

 

[rajaram04]

nah none other than this . . k please tell me about one thing .
i am designing an 810 amplifier where a 4k7 cap.is used from pin 5 to ground , if i want to use a substitue wat would be the value ? please reply

 

[ArNvC]

Not sure about this, probably a 5.6nF or 6.8nF cap available in the market which are nearest to the range.

 

[rajaram04]

Not sure about this, probably a 5.6nF or 6.8nF cap available in the market which are nearest to the range.

hmm ya k so 5.6nf means 5k7 & 6.8nf means 6k8 ? right ?

 

[ArNvC]

yes, thats right though sometimes its written as 5n6 and 6n8 esp. the ceramic or mylar types

 

[godfreyl]

i am designing an 810 amplifier where a 4k7 cap.is used from pin 5 to ground...

What do you mean "810"? Is it an AD810 Video Op Amp? If so, why are you connecting a capacitor to pin 5? That pin is for offset null. If it's come other kind of "810", then please tell us what it is.

 

[ArNvC]

TBA810 - Audio amplifier

 

[rajaram04]

ya sir arunava is right its tba810 audio amp simple ckt.

 

[godfreyl]

TBA810 - Audio amplifier

Thanks. I agree using another value that is close would be OK, but 4.7nF should be easy to find anyway.

 

[rajaram04]

Thanks. I agree using another value that is close would be OK, but 4.7nF should be easy to find anyway.

ya its easy but presently not for me so i am searching substitute cause an idea of ordering a whole sale lot is . . . . u know

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sir in post #9 you talked about a video op amp , what's that ? how can it be used in a simple way ?
can i make any application of it for any new design ?