Help with capacitor type

[Steve]

Hi guys,

I got a VOFA adaptor from Frank but it requires a type of capacitor that is written as: VS 100N XR7 R2,5

Frank says it is a blocking capacitor 100nf 2.5 grid. I'm not 100% sure what this is, could someone help me find an equivalent on mouser? Thanks,

[DoG]

It usually says X7R for the temperature classification. 2,54mm (0,1") lead spacing between the legs (or 2,5mm if it actually is that). ceramic. 100nF (or 0,1uF it's the same).

[Steve]

So this is basically just a 'bog-standard' 100nf ceramic cap? :)

[DoG]

Yeah. As I read it at least. I don't know what VS is though. Is it beside a chip?

[Steve]

Yeah. As I read it at least. I don't know what VS is though. Is it beside a chip?

Yeah they're besides 74F245 chips.

[DoG]

It is probably a decoupling (or bypass) capacitor then as it is called in the electrical industry. Should be very close to VCC pin of a chip (and other leg to GND). Depending on the distance from chip and how many VCC pin it has, more and different value may apply. You can read a LOT of decoupling capacitors on the web if you want to.

If it is that then 'blocking' probably means blocking high frequencies noise on the VCC lines.

[czietz]

VS 100N XR7 R2,5 is just the order number at one specific German electronics shop (Kessler Electronic). As others have written before me, it's indeed a standard 100 nF ceramic capacitor with 2.5 mm pin spacing.