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Class D Switching Power Amplifiers and Power D/A conversion

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Old 19th July 2011, 12:58 AM   #1
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i was replacing the mosfets in the amp because i didnt visually see anything else wrong with the amp.. i ordered a bunch of irf3205 to replace them... the original on the power side were irf3710 and output was P80NE... the thing is.. i replace them all with irf3205 and when i tested it after i was done.. it was cool the protection light clicked on as it usually does at the beginning and then it went in to power mode... then i saw the power light start flickering and bam it pop a mosfet or two on the power side.. this all happened within like 5 seconds with no load on the amp... is this because i replace with irf3205 or for some other reason.. and if its another reason what am i looking for? im kinda new to this.. thanks
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Old 19th July 2011, 04:03 AM   #2
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anybody???
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Old 19th July 2011, 04:12 AM   #3
MOER is offline MOER  United States
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Did you fathom out that IRF3205 are 55v FETs?
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