I don't have any experience with HK04J, but I've found that with Pyralux AP the
bond or coverlay material has a lot more influence on the effective loss
tangent than the Pyralux, so consider the whole stackup.
Regards,
Josiah Bartlett
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On ;
Behalf Of Aubrey Sparkman
Sent: Wednesday, February 03, 2016 8:22 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] DuPont™ Pyralux® AP VS DuPont™ Interra™ HK 04J
I've seen presentations on HK04J for power / ground pairs an even used it
myself. Since some PCB suppliers we would want to use for quick turn stock
Pyralux AP but not the HK04J, I was asked about a substitution. When I
compared data sheets, I didn't see a significant difference.
Can anyone comment?
Thanks,
Aubrey Sparkman
SparkRight Solutions
Sent from my
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