Author Topic: Question about the behavior of diode in this circuit (Read 1339 times)

kelvinblank · « **on:** November 23, 2009, 11:03:44 PM »

mga sir / mam gusto ko po malaman kung ano po behavior of this diode na nasa circuit. i know that protection diode po sya, pero what happens to the current consumed by the coil pag nawalan po ng power? ano po ang role ng diode sa ganong scenario?

Philippine Electronics Forum · « **on:** November 23, 2009, 11:03:44 PM »

rdpzycho · « **Reply #1 on:** November 23, 2009, 11:20:05 PM »

kapag nawalan ng voltage 'yung inductor, magre-reverse ang voltage niya dahil ime-maintain niya 'yung current flow. dahil sarado na 'yung unang nagpasindi sa kanya, kailangan may iba siyang puntahan. kung walang ibang pupuntahan, kaya niyang sirain 'yung transistor by overvoltage.

Philippine Electronics Forum · « **Reply #1 on:** November 23, 2009, 11:20:05 PM »

kelvinblank · « **Reply #2 on:** November 25, 2009, 02:13:52 PM »

meaning po ung current dadaan ng diode from right to diode??

Philippine Electronics Forum · « **Reply #2 on:** November 25, 2009, 02:13:52 PM »

rdpzycho · « **Reply #3 on:** November 25, 2009, 02:31:41 PM »

yup. hanggang maubos nung coil sa relay 'yung stored energy niya.

Philippine Electronics Forum · « **Reply #3 on:** November 25, 2009, 02:31:41 PM »

kelvinblank · « **Reply #4 on:** November 25, 2009, 10:28:31 PM »

salamat sir

Philippine Electronics Forum · « **Reply #4 on:** November 25, 2009, 10:28:31 PM »

ultrasonic™ · « **Reply #5 on:** November 26, 2009, 12:51:36 AM »

Shey · « **Reply #6 on:** December 02, 2009, 10:33:53 AM »

Quote from: ultrasonic™ on November 26, 2009, 12:51:36 AM

Please Avoid Posting "smileys only" on Technical Threads.. tulad ng post mong yan..

ultrasonic™ · « **Reply #7 on:** December 02, 2009, 04:56:23 PM »

Quote from: Electron on December 02, 2009, 10:33:53 AM

Please Avoid Posting "smileys only" on Technical Threads.. tulad ng post mong yan..

Sorry

kelvinblank · « **Reply #8 on:** December 03, 2009, 12:00:54 AM »

mga sir/mam san talaga ang typical application ng high speed diodes? for RTC po ba ginagamit talaga sya?

rdpzycho · « **Reply #9 on:** December 03, 2009, 12:30:07 AM »

switching supplies, tapos 'yung mabibilis talaga, sa RF.

kelvinblank · « **Reply #10 on:** December 03, 2009, 08:57:51 AM »

what if nasa real time clock at sram power sya ng gps module nakalagay? my sense po ba?

Philippine Electronics Forum · « **Reply #10 on:** December 03, 2009, 08:57:51 AM »

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