What are the situations where you need to use these value abbreviations? When we don't have room on the PCB for the values, we skip the values and u= se only the names. For assembly, we have assembly drawings with values color-coded (with a hig= hlighter). Sent from my phone On May 2, 2014, at 8:46, Dwayne Reid wrote: > At 02:39 AM 5/2/2014, alan.b.pearce@stfc.ac.uk wrote: >>> 2-CHARACTER RESISTOR CODES >>>=20 >>> Leading alpha character for value, trailing digit is multiplier. >>>=20 >>> A 10 H 20 O 39 V 75 >>=20 >> Instead of inventing a new code, use the EIA-96 code (half way down=20 >> this page) ... >>=20 >> http://www.hobby-hour.com/electronics/smdcalc.php >=20 > I am familiar with the EIA-96 code system and use it wherever=20 > possible. However, we do run into cases where there just isn't room=20 > for 3 characters. And - the code does not cover capacitors. >=20 > This simple 2-character code works well for us and resistor values=20 > are easily distinguished from capacitor values. >=20 > dwayne >=20 > --=20 > Dwayne Reid > Trinity Electronics Systems Ltd Edmonton, AB, CANADA > (780) 489-3199 voice (780) 487-6397 fax > www.trinity-electronics.com > Custom Electronics Design and Manufacturing >=20 > --=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 --=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 .