Diode "Z6 A2"? Help identifying, please.

[bierdo70]

Hi can anyone help me identify these?, have a few.
I've done all the google datasheet searches, searched here, but still cant find anything.

Glass capsule,  black line at one end, break in line where Z6 is printed, then A2 is printed behind the line on the other side.

What are they (Zener diode?)?

Any advice appreciated.

Thanks

Sean

[toneman]

U could characterize them with a curvetracer(?)
U could put a resistor in series & see if it's a zerer by measuring V-drop.
U could put a sine wave(thru a R) from a function gen thru it and watch
results on a scope...U'd see the rectifying action.
U could wait for more suggestions.

[bierdo70]

Thanks for the advice toneman, but I just want to know if it's Ge or Si, and whether it'll be suitable for effects pedal diode applications.

Cheers

Bierdo

[bioroids]

Do you have a DMM with diode checking option?

[bierdo70]

I don't know if my DMM doies this, will look.  
Still doesn't tell me what they are though!

Anyone??

[lightningfingers]

if you DMM doesn't check diodes, just take a 9V battery and write down its voltage, then put the diode in series with the battery and measure again....work out the voltage drop, you should be able to deduce from that wether its Ge or Si.....

[bioroids]

if you DMM doesn't check diodes, just take a 9V battery and write down its voltage, then put the diode in series with the battery and measure again....work out the voltage drop, you should be able to deduce from that wether its Ge or Si.....

But dont forget to put a resistor in series with the diode (towars the battery +) or else you can burn it!!

[bierdo70]

"if you DMM doesn't check diodes, just take a 9V battery and write down its voltage, then put the diode in series with the battery and measure again....work out the voltage drop, you should be able to deduce from that wether its Ge or Si....."

I'll have a go but, how will I know if it's Si or Ge? :?:

Does anyone know if there are spec sheets somewhere for theis diode?

Cheers

B

[bioroids]

If the voltage across the diode is around 250-300mv is a germanium (or maybe a schottky but thats not very likely), if its around 600mv is silicon (or a zener backwards maybe).

Then you can put the diode backwards and the voltage across it should be equal to the battery voltage. If not, and when put right was 600mv, its probably a zener.

But if the diode it's a zener higher than 9v then you cant determine it without a bigger supply,  I think  :roll:

I hope this helps

Luck

Miguel

[bierdo70]

Thanks Miguel, I'll try that.

[Fret Wire]

6v, 1/2w, Zener diode.

[bierdo70]

Thanks Fretwire, your a champion!!

[Fret Wire]

Thanks, but I just cross referenced it on NTE's site. :wink: Bookmark it for further reference.
http://www.nteinc.com/

Go down to the middle of the main page and download their QuickCross v12.0. It will even allow you to cross check components off line. You'll have to be on-line to view data sheets, however. Certain components, like transistors, are not always perfect cross matches, but you will still be able to identify your component's funtion, purpose, and main spec's.