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| Capacitor package - RF Cafe Forums | ||||||
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Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would
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Below are all of the forum threads, including all the responses to the original posts. Guest Post subject: Capacitor package Posted: Thu Aug 18, 2005 3:44 am hello! can any one explain how do we select different capacitor packages (0603,0805 etc) if power to be delivered is 20w,40w,100w etc. I understand their inductive effect but want to know about the effect of ESR and hence power dissipation. Thanks Top IR Post subject: Posted: Thu Aug 18, 2005 4:22 am Site Admin Joined: Mon Jun 27, 2005 2:02 pm Posts: 373 Location: Germany As bigger is the package as higher is the ESR value. _________________ Best regards, - IR Top Guest Post subject: Posted: Thu Aug 18, 2005 5:23 am Thanks for your reply. That means we can use 0603 for higher power applications (eg, 100W). Top Guest Post subject: Posted: Thu Aug 18, 2005 7:45 am 100W equates to 100V, so you best check the maximum voltage for the capacitor, it should be at least 150V to 200V. Top IR Post subject: Posted: Thu Aug 18, 2005 8:21 am Site Admin Joined: Mon Jun 27, 2005 2:02 pm Posts: 373 Location: Germany In general as larger the package as higher is the operating voltage, this is true both for ceramic capacitors and for tantalum capacitors. This is because the distance between the capacitor's plate is larger and it can withstand larger brekdown voltage. Always consult the data sheet of the specific capcitor you intend to use, it will provide you with the exact information. Also a good practice for capacitors is to avoid working above 60% of the maximal voltage rating. Good luck! _________________ Best regards, - IR Top Guest Post subject: Posted: Thu Aug 18, 2005 8:34 am Many thanks for your comments! Posted 11/12/2012 | ||||||
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