IRFP244 ---- Fairchild Vs. IR for Aleph 2? - diyAudio
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Old 20th May 2005, 08:05 PM   #1
gengis is offline gengis  United States
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Default IRFP244 ---- Fairchild Vs. IR for Aleph 2?

For the IRFP244 mosfet, anyone has experience with Fairchild's version (TO-3P) and the IR's own (TO-247)?

Any preferences to one or the other?


The Fairchild substitute is much cheaper at Mouser.
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Old 20th May 2005, 09:49 PM   #2
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No preference. On the P channel devices, there is a
preference for Fairchild in Common-Source applications.
Same goes for Harris parts.

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Old 21st May 2005, 12:13 AM   #3
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I donno, I have built a few of the Pass Labs Designs including an Aleph 5, Aleph P v1.7, Son of Zen and Aleph X100 (Amp works but chassis is not done yet). They all work extremely well and I have used IRF Mosfets. I think that Nelson uses both IRF and Fairchild Mosfets. I don't think it makes much of a difference.
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