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Old 10th June 2007, 12:25 AM   #1
diyAudio Member
Join Date: Jan 2005
Location: Seoul, Korea
Default What can I do with MJ2501, MJ3001?

I got 2 pairs of Motorola MJ2501 and MJ3001.
The markings are MJ2501-1, MJ3001-1.

Can I use these to make some solid state amps?
Then, which amps would you suggest?
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Old 10th June 2007, 07:06 AM   #2
Arlo is offline Arlo  Taiwan
diyAudio Member
Join Date: Sep 2004
Location: Taipei
MJ2501/MJ3001 is a complementary 10A darlington power transistor.
The max. Vce voltage is 80V, and Power dissipation is about 150W.

So it can be power stage output transistor on 50 ~ 150w OCL power amplifier. but should be carefully using because the value of hFE is very
high(about 4000).
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Old 11th June 2007, 09:23 AM   #3
diyAudio Member
Join Date: Oct 2004
You can put they replace two stage of power amp,
like red pane of the picture.
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