Measured odd and common diodes IV curves

[thomasbe86]

I am trying to gather data on diodes, I use a peak atlas pro to measure these, if anyone wants to add, please reach out!

here is the interactive plot, double click to filter for a specific diode, simple click to filter out, zoom, span, etc. you can look for specific diodes with Ctrl+F.

 

[hamerfan]

Holy batman, awesome! The legend has a too low resolution to read the names and the comments - at least on my ipad.

 

[finebyfine]

Feel free to add my similar data!

Clipping Diodes | line chart made by Finebyfine | plotly

chart-studio.plotly.com

 

[thomasbe86]

Otherwise you have the excel file with all data in here:
Diodes Master.xlsx
not sure you can run the plot on an iPad, but here it is:
Diodes_Avg_Plotly.html

 

[thomasbe86]

Feel free to add my similar data!

Clipping Diodes | line chart made by Finebyfine | plotly

chart-studio.plotly.com

awesome! it will be in the master in the evening! thanks for that!

 

[finebyfine]

awesome! it will be in the master in the evening! thanks for that!

Let me know if you have any trouble exporting my data from plotly and I can email it over or something

 

[thomasbe86]

Let me know if you have any trouble exporting my data from plotly and I can email it over or something

I figured it out, I updated the HTML and excel master file

The DB9, are they the russian D9B? Curve is super similar to D9E!
Do you know the make/manufacturer of the 1N60 and 1N34A? cuz I have some in there already and trying to avoid duplicates,
feel free to review and let me know what you think !

Feel free to add details for the comment section for the legend, I will add the type soon, thanks again for the data, you rock!

 

[finebyfine]

I figured it out, I updated the HTML and excel master file



The DB9, are they the russian D9B? Curve is super similar to D9E!
Do you know the make/manufacturer of the 1N60 and 1N34A? cuz I have some in there already and trying to avoid duplicates,
feel free to review and let me know what you think !

Feel free to add details for the comment section for the legend, I will add the type soon, thanks again for the data, you rock!
View attachment 61691

The D9B is the Russian germanium, yep. I'm unsure of the manufacturer of the 1N60 and 1N34A but I believe all three of these germanium diodes were purchased from stompboxparts (I know for certain the 1N60 and 1N34A were). And no problem! Happy to see someone is compiling all of this!!

 

[thomasbe86]

thanks! I will add these to the plot, I'm off for two weeks but will get back to it when I come home.
I updated the plotly so it shows a slider like in yours, love that thing!
Diodes_Avg_Plotly.html

I also added a drop down for filtering for a selected type/material of diode :

 

[thomasbe86]

if anyone has got any data to add to the plot, I'd hapilly take em I will start next month to measure the leakage for each as well

 

[PedalBuilder]

This is a really great resource, thank you @thomasbe86! For anyone who's interested, I re-hosted the excellent interactive measurement file on Github.io so that people can view the HTML file in browser without having to save it locally. (If that's an issue, let me know and I'll pull it down.)

 

[thomasbe86]

I finally put it there as well, I will update anytime I make a modification/addition: Link to the latest plot

 

[Chuck D. Bones]

Nice work! Better resolution than my scope & curve tracer.

I found that with Russian diodes in particular, and Germanium diodes in general, that it's a good idea to test more than one of the same part # because there are some significant part-to-part variations.

Where the diode curve straightens out, the slope is the reciprocal of the diode's intrinsic resistance. You may notice that somewhere above 5mA, Ge diodes have a larger Vf than most Si diodes. It's because if that resistance. These curves are clear evidence that simply quoting a Vf number is pretty much meaningless unless the If is close to what the diode will see in your application. The majority of soft clippers run the diode current well under 1mA. Hard clippers might get up to a few mA, depending on the circuit.

 

[thomasbe86]

Thanks @Chuck D. Bones !
Yup I measured about a 100 of each to make sure to get a somewhat reliable average. Vf is talked about a bit too much without mentioning If