the 0.5 ohm on resistance i'm happy with , it's lower than an irf740(0.65 ish) and irf840(0.8 ish) its the rated voltage that worries me , most designs requiring a p-channel will "hit and hold" this easy resulting in a longer decay time.
have to say , i think it's quite unsuitable for this type of use.
never really looked into p-channel until now , it would appear quite limited in choice , poss why designers use n-channel where there is more choice , lower in price , more generaly available and other thing ive noticed , and stand to be corrected , most of p-channel , on the whole have a higher on resistance and more capacitance and a slower switching speed and lower voltage ratings than n-channel.
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