I read in !emc-pstc that [email protected] wrote (in <CFEFA50C9BCAD2 [email protected]>) about '' on Tue, 29 Apr 2003: >120 ohm resistor could be placed in this series string. During normal operation >the resistor will dissipate 1.4 watts.
He wants 350 mA in his LED (LEDS?). That's 14.7 W in the 120 ohm resistor, and 42 V dropped across it. Also, he mentioned only one 4.7 uF cap. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
