[sdiy] Schottky diode recommendation please

Chris McDowell declareupdate at gmail.com
Mon Feb 24 16:10:15 CET 2014


Thanks for asking this Tom, and for your answer Tom! I’m pretty much all surface mount now save the occasional breadboarding, and the part numbers can be quite lame to dig through. 

That part you linked looks great. Much appreciated. 

Chris

On Feb 23, 2014, at 8:10 PM, Tom Farrand <mbedtom at gmail.com> wrote:

> Tom,
> 
> Through-hole or SMT?
> 
> Through-hole has many fewer choices.  Might try an NXP BAT85,113 which
> occupies about the same space as a 1N4148 and its VF is 400mV.  Speed
> is 5nS, which is pretty quick.  But if you could live with SMT, I'd
> suggest a Vishay LL101C-GS08.  It has a VF of only 390 mV and has a
> speedy 1nS switching time.  Don't know about your circuit so don't
> know about voltages to which these diodes would be subjected in the
> "off' state.
> 
> Peace.
> Tom Farrand
> 
> 
> On Sun, Feb 23, 2014 at 6:54 PM, Tom Wiltshire <tom at electricdruid.net> wrote:
>> Hi all,
>> 
>> If I wanted a Schottky diode to use as a diode clamp to speed up a transistor's switching times, what would be a typical part to use?
>> 
>> I'm planning something like the image from this page:
>> 
>> http://www.vk6fh.com/vk6fh/schottky%20diode.htm
>> 
>> For "normal" diodes, I'd always grab a 1N4148 as a standard part, but for schottky diodes I've got no idea what the equivalent "standard part" would be.
>> 
>> Thanks,
>> Tom
>> 
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at synth-diy.org
>> http://synth-diy.org/mailman/listinfo/synth-diy
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy



More information about the Synth-diy mailing list