[sdiy] Searching WM8731 in SSOP-28

Mike Bryant mbryant at futurehorizons.com
Tue Aug 24 17:09:39 CEST 2021

Your best bet is probably to order several lots of 10 to 50 from AliExpress and religiously test what turns up before soldering them in.  Reclaim off AliExpress for anything that is dead/counterfeit.  
I've bought 100s of the WM8731SEDS from various suppliers over the past 4 years there and only had a few duds.

-----Original Message-----
From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of [E-RM] Email Support
Sent: 24 August 2021 15:52
To: synth-diy at synth-diy.org
Subject: [sdiy] Searching WM8731 in SSOP-28

Dear List,

this is my first post and I'd quickly like to introduce myself: My name is Max and I run E-RM here in Berlin, Germany. We are a 5 person boutique manufacturer for music electronics. I have been reading here for almost 6 years now, but I have to leave silence at this point with a request for help:

We kind of got all right through the global part shortage, but now it recently struck us for our polygogo module - we can't source WM8731SEDS anywhere for our next production runs before next year. I know that this part is used in a few other modules, for example Mutable Instruments, so I'd like to the chance and ask:

Is here anyone on this list who has some stock and would be willing to sell any? Or has any advice for trustworthy brokers? Or... any other tips?

Any help would be really much appreciated.

Thank you very much,


Erfindungsbüro GmbH - Ritterstr. 3 - DE-10969 Berlin

Amtsgericht Charlottenburg- HRB 206172 B
Geschäftsführer: Maximilian Rest

VAT DE323613511
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