Apr 20, 2013 #1 N nagendra.singh Junior Member level 2 Joined May 27, 2011 Messages 23 Helped 4 Reputation 8 Reaction score 4 Trophy points 1,283 Activity points 1,416 I want to know which mosfet is good in term of power dissipation from data sheet. I want to use STP80NF03L or STP95N3LL in 12volt dc to AC inverter . From data sheet first first have power dissipation is 300w and second have 75w.RDS on almost same about 4mohm. Which will be good ?
I want to know which mosfet is good in term of power dissipation from data sheet. I want to use STP80NF03L or STP95N3LL in 12volt dc to AC inverter . From data sheet first first have power dissipation is 300w and second have 75w.RDS on almost same about 4mohm. Which will be good ?
Apr 20, 2013 #2 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 Use MosFET with smaller internal resistance, that will lower dissipation and losses.
Apr 20, 2013 #3 N nagendra.singh Junior Member level 2 Joined May 27, 2011 Messages 23 Helped 4 Reputation 8 Reaction score 4 Trophy points 1,283 Activity points 1,416 both mosfet have same rds on as 4 miliohm,Vds is 30 volt and Id 80 amp but power dissipation in datasheet is different. STP80NF03 have300w and 2nd have only 75w. So pls tell me which will be better.
both mosfet have same rds on as 4 miliohm,Vds is 30 volt and Id 80 amp but power dissipation in datasheet is different. STP80NF03 have300w and 2nd have only 75w. So pls tell me which will be better.
Apr 20, 2013 #4 C chuckey Advanced Member level 6 Joined Dec 26, 2010 Messages 4,854 Helped 1,309 Reputation 2,624 Reaction score 1,281 Trophy points 1,393 Location Southampton and holiday cottage in Wensleydale (UK Activity points 31,695 Could it be that the package is different and one conducts the heat away from the junction better. Frank
Could it be that the package is different and one conducts the heat away from the junction better. Frank