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SMT replacement for BF244/BF245/BF247

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Markus Wolfgart

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Nov 11, 2007, 4:31:33 PM11/11/07
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Hi OM's,

could someone please tell my the SMT replacement transistors
for the mentioned parts in the subject line.

Many thanks in advance

Markus
DL8MBY


K7ITM

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Nov 12, 2007, 12:43:10 AM11/12/07
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BF545 is somewhat similar, though notably lower gfs. MMBF4416 is
probably closer. If you go to the ON Semiconductor web site, you'll
find you can get to a selection table for JFETs. There are several
(mostly MMBF* numbers) SMT parts with characteristics similar to the
BF245A/B/C series. I suppose NXP (Philips' spun-off semiconductor
supplier) has similar on their website.

Cheers,
Tom

Markus Wolfgart

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Nov 12, 2007, 3:55:51 PM11/12/07
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Thanks Tom,

this was the right hint to me concerning the replacement for the BF244-7
FET's.

vy 73

Markus

K7ITM schrieb:

Gian, I7SWX

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Nov 13, 2007, 11:57:57 AM11/13/07
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Hi Markus,

you may look for MMBFU310LT1 manufactured by ON Semiconductors

73

Gian
I7SWX

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