Thank you for your $0.02! That's exactly what I was looking for. I have parts that appear to be behaving differently and have different markings. I wanted to see if the different markings were just date code, and they are! So, now I have to figure out what else is wrong with the circuit. Harold > Hi Harold, > > Did you check that webpage? > > http://www.murata.com/en-us/support/faqs/products/timingdevice/ceralock/c= har/cch0005 > > The table shows what you=E2=80=99re looking for. > > > > Just my $0.02, > > Jean-Paul > N1JPL > > > > > > >> On Jun 7, 2016, at 8:00 PM, Harold Hallikainen >> wrote: >> >> far > > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 FCC Rules Updated Daily at http://www.hallikainen.com Not sent from an iPhone. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .