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harvardian 4th August 2002 10:50 PM

Anyone else need more matched IRFP240/9610's

I ran out and have one unfilled request. Does anyone else still need some? I was charging $100 plus shipping. for 4 matched sets of 6 and two matched pairs of 9610's (plus two for CS). If I get a couple of requests, I'll buy some more.

Best Regards,


P.S. How many people have completed projects with the fets recieved from me? Were there any issues? How does the amp sound. I have all parts, but have had no time to assemble the chassis...

Please email me at

jleaman 5th August 2002 02:11 AM

corect me if i am wrong that is 12 transisters matched for 100 us or canadian humm....


Peter Daniel 5th August 2002 02:13 AM

It's 30 trans for US $100.

jleaman 5th August 2002 02:21 AM

ohhh that makes more sence eheh just a question though..


What project uses 30 irf fets ..?

roddyama 5th August 2002 02:38 AM


That would be the Aleph 2 or 4.

12 - 240 or 244 outputs per side +
2 - 9610 differiential inputs per side +
1 - 9610 current sources per side

Rodd Yamas***a

fcel 5th August 2002 02:55 AM

Dale should have said that's for Aleph 2 or 4.

jleaman 5th August 2002 05:55 AM

after im done building my aleph 5 and my speakers i will be tackling the aleph 2 for more power and experiance. there isnt one day that goes buy that i dont learn any thing..


cowanrg 5th August 2002 03:14 PM

i would be interested. which packaging is the IRFP240? im only familiar with the packaging for IRF240's. if they will work in my boards, $100 sounds great. how close are they matched?

harvardian 5th August 2002 03:21 PM


That is the datasheet,

The package is a TO-247. It should be the same as the IRF240.

These are definately bigger than TO-220, but they should be the parts that the board is made with. The IRF9610's are TO-220.

Please send me direct mail at, so that I can add you to the list and give you payment options...

Best Regards,


P.S. The previous batch matched great. I only sold those groupings that had a max deviation of 20mV on VGS.
The IRF9610's had a max of 4mV.

cowanrg 5th August 2002 04:09 PM

ok, looks good. anything under 40mV is fine. ill send you an email later today when i get home (at work now...) hopefully paypal works for ya. thanks!

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