Quick driver question

[Tabish]

My rayfoss driver just arrived today. I'll try it with my 2nd PHR diode.

I also have the 47nF caps. Where exactly do I put the cap?

 

[ndrew2505]

in between the diode and the driver if im not mistaken.

 

[Tabish]

in between the diode and the driver if im not mistaken.

Yes but where exactly ???

Just soldered the phr diode directly to the rayfoss driver.

So on the + and - where the diode/driver meet ?

 

[ndrew2505]

the + from the cap goes to the + of the diode/driver..

the - from the cap goes to the - of the diode/driver..

 

[Tabish]

the + from the cap goes to the + of the diode/driver..

the - from the cap goes to the - of the diode/driver..

Ah ok.

Wait, the cap has + and - ???

How do i tell which pin is which ??

EDIT: Nvm, it works fine without one. Thanks anyway.

 

[bobhaha]

Just to help you out next timee... the cap has a coloured strip running down one side thats the neg.. and I'm not sure they are same as LED's but usually the longer leads are the positive side.

EDIT: yep heres a pic of a cap!

notice the longer side and the coloured strip.

BTW the cap goes in parallel with the driver and LD like this

- LD+
|.....|
-cap+
|.....|
-driver+

hope that helped -Adrian

 

[lasersbee]

Some Caps like ceramics are not polarized... and can be used in either
direction..
Pics of your cap or part Number would help..

Jerry

 

[Tabish]

Ahh ok thanks !!!

Mine are small ceramic disk caps. Same length pins, no markings.

 

[bobhaha]

ohh sorry, didn't see it was ceramic.. yes as lasersbee said.. those are non-polarized and can work either way! (works in both directions)

-Adrian