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4th December 2005, 01:04 AM
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#1 |
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diyAudio Member
Join Date: Jul 2004
Location: BC, Canada
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Can I replace BF245C JFET with J201 JFET?
http://www.fairchildsemi.com/ds/BF%2FBF245C.pdf
http://www.fairchildsemi.com/ds/J2/J201.pdf I understand pinout is backwards, but that's not a big deal. |
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7th December 2005, 07:14 AM
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#2 |
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diyAudio Member
Join Date: Jul 2004
Location: BC, Canada
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Anyone know?
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7th December 2005, 07:50 AM
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#3 |
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diyAudio Member
Join Date: Feb 2004
Location: Silicon Valley
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Well, the "C" version of the Euro-fet is at the hgh end of the IDSS distribution in its device group, and the J201 will be on the low side of its device group, typically below 1ma. If you drop the 201 into a circuit designed to use the other FET, the bias will most likely be way off because of the difference in quiescent current. What is the circuit where you were planning to do this substitution?
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