[WriteLog] possible substitute for dual opto-isolators

[w5xd@writelog.com (W. Wright, W5XD)]

Browsing the Digikey catalog, I see the following parts:

TLP621-2-ND
TLP624-2-ND             ---appears to be in stock at Digikey
PS2505-2NEC-ND  ---I have used this one. It has dual LED's that are not used,
but don't hurt
PS2506-2NEC-ND  --I have used this one. Darlington outputs work fine, too.

Any of these should work, although I have only tried the one I note.

Wayne


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