[sdiy] Dual 914 diode in a SOT-23 package?

[Ullrich Peter]

Hi!

Yes, the BAT54x Series are also my favorites for such simple tasks.
The S-version work nice as protection diodes, don't forget a resistor between the input and the common pin of the diodes...  The overvoltage needs to be converted into heat anywhere...

Ciao
Peter

http://www.ullrich.at.tt

________________________________________
Von: synth-diy-bounces at dropmix.xs4all.nl [synth-diy-bounces at dropmix.xs4all.nl] im Auftrag von Neil Johnson [neil.johnson97 at ntlworld.com]
Gesendet: Samstag, 10. März 2012 19:33
An: Justin Owen
Cc: SDIY List
Betreff: Re: [sdiy] Dual 914 diode in a SOT-23 package?

Hi,

Justin Owen wrote:
> I'm trying to source a dual 914 diode in a SOT-23 package.
>
> I guess it'll be 2x diodes in series (Cathode to Anode). I know
> NXP, Diodes Inc and Fairchild all do these parts but most sites
> only list them as 'small signal' or 'switching' - so I'm not sure
> what parts might be suitable.
>
> The diodes will be used mainly for op-amp input protection on a +/-
> 12V supply.
>
> I'd appreciate any suggestions of part numbers - or even details to
> compare to the data sheet for the PMBD914 which is the single
> SOT-23 914 I'm currently using.

Easy one this: BAT54S.  Its Schottky, which might be an advantage.
Used loads of them over the years.  There's also the BAT54C and
BAT54A with common Cathode and Anode respectively.

Cheers,
Neil
--
http://www.njohnson.co.uk




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