MAX232 input protection?

Thread Starter

slowfuse

Joined Sep 7, 2010
16
What is the best method to protect the external-facing part (i.e. RS232) of a MAX232 against over voltages etc? Thanks
 

Potato Pudding

Joined Jun 11, 2010
688
Transient voltage suppressors really don't work as well or reliably without dropping resistors.

I don't know how much resistance you can allow in the RS232 signal path.
I should be doing more research because that is the kind of question I would really like to be able to answer.
 
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