Datasheet for IRF244?

ghee0 · 30th August 2001, 02:45 AM

Hi,

Can someone forward me a copy of IRF244 datasheet?
Can't seem to find it elsewhere.

Thank you

ghee0
ghee0@yahoo.com

tortello · 30th August 2001, 06:56 AM

Look at the International Rectifier website:
http://www.irf.com

ghee0 · 30th August 2001, 07:15 AM

But looks like IRF244 is a discontinued product and I can't find the datasheet either in IRF, Harris, Intersil or even microsemi. Anyone?

Thanks.
ghee0

Eric · 30th August 2001, 01:46 PM

Check <a href="http://members.ozemail.com.au/~dkfinnis/passlabs/aleph4_download.htm">Mark Finnis' web page</a>. He built an Aleph 4 and has the data sheets on his web site.

Rob · 30th August 2001, 06:33 PM

http://www.irf.com/product-info/data...ta/irfp244.pdf

Nelson Pass · 30th August 2001, 06:54 PM

The IRF244 is pretty much an IRF240. We
use it instead of the 240 because it has
standard TO-3 pin width, where the 240 in
a "to-3" case is nonstandard.

The to-3's are very difficult to get, but the
IRFP240 plastics work just fine.

ghee0 · 31st August 2001, 02:06 AM

Thank you for all the feedbacks.

With the specs on the datasheet, looks like IRF640 is a great replacement for IRFP240. But why the price of IRFP240 is three to four times as much as IRF640?

IRFP240 is meant for audio and IRF640 is designed for switching PS?

Is there any magic number behind IRFP240 that we don't know?

What do you all think about IRF640?

Thank you again!
ghee0

K-amps · 17th January 2004, 11:52 AM

IMHO,

While I make no claims to know the complete truth

, I believe the IRF244 is expensive because it is discontinued AND in demand.

One reason for its Demand is that it is used in the Adcom flagship GFA-5802. Adcom themselves do no have this part and are willing to pay top $$ to buy an inventory...

tonimxp · 17th March 2011, 09:01 PM

Quote:

Originally Posted by Nelson Pass

The IRF244 is pretty much an IRF240. We
use it instead of the 240 because it has
standard TO-3 pin width, where the 240 in
a "to-3" case is nonstandard.

The to-3's are very difficult to get, but the
IRFP240 plastics work just fine.

Hi!Please can you conferm me that i can replace the irf240 with irf244 without any modification to the circuit in your aleph mini project?
Thanks in advance and congratulations for your mind

31st August 2001, 02:06 AM	#7
ghee0 diyAudio Member Join Date: Aug 2001 Location: Malaysia	IRFP240 or IRF640? Thank you for all the feedbacks. With the specs on the datasheet, looks like IRF640 is a great replacement for IRFP240. But why the price of IRFP240 is three to four times as much as IRF640? IRFP240 is meant for audio and IRF640 is designed for switching PS? Is there any magic number behind IRFP240 that we don't know? What do you all think about IRF640? Thank you again! ghee0

17th January 2004, 11:52 AM	#8
K-amps diyAudio Member Join Date: Nov 2003 Location: Indiana	Price of IRF244 IMHO, While I make no claims to know the complete truth , I believe the IRF244 is expensive because it is discontinued AND in demand. One reason for its Demand is that it is used in the Adcom flagship GFA-5802. Adcom themselves do no have this part and are willing to pay top $$ to buy an inventory...

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30th August 2001, 02:45 AM	#1
ghee0 diyAudio Member Join Date: Aug 2001 Location: Malaysia	Hi, Can someone forward me a copy of IRF244 datasheet? Can't seem to find it elsewhere. Thank you ghee0 ghee0@yahoo.com

30th August 2001, 06:56 AM	#2
tortello diyAudio Member Join Date: Jul 2001 Location: Genoa (ITALY)	Look at the International Rectifier website: http://www.irf.com

30th August 2001, 07:15 AM	#3
ghee0 diyAudio Member Join Date: Aug 2001 Location: Malaysia	But looks like IRF244 is a discontinued product and I can't find the datasheet either in IRF, Harris, Intersil or even microsemi. Anyone? Thanks. ghee0

30th August 2001, 01:46 PM	#4
Eric diyAudio Member Join Date: Nov 2000 Location: Central PA, USA	Check <a href="http://members.ozemail.com.au/~dkfinnis/passlabs/aleph4_download.htm">Mark Finnis' web page</a>. He built an Aleph 4 and has the data sheets on his web site.

30th August 2001, 06:33 PM	#5
Rob diyAudio Member Join Date: Aug 2001	http://www.irf.com/product-info/data...ta/irfp244.pdf

30th August 2001, 06:54 PM	#6
Nelson Pass The one and only Join Date: Mar 2001	The IRF244 is pretty much an IRF240. We use it instead of the 240 because it has standard TO-3 pin width, where the 240 in a "to-3" case is nonstandard. The to-3's are very difficult to get, but the IRFP240 plastics work just fine.