ST MOSFET-Power Amplifier use???

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Hi,

I asked this question before but nobody was able to answer it straight and 100%.Let me try again:

I have 30 pieces of ST 60N10 MOSFET (200 W).Here is a data sheet (please read-pdf):

http://www.st.com/stonline/books/pdf/docs/3105.pdf

Can we use this MOSFET to build PA Amplifier?
What schematic should I use to build one(post it please)?
How much power should we expect from one pair of these 200W MOSFETS on +/-42V and 4 ohms?

Thanks everybody for help.

Best Regards
 
hi

APPLICATIONS
n HIGH CURRENT, HIGH SPEED SWITCHING
n SOLENOID AND RELAY DRIVERS
n REGULATORS
n DC-DC & DC-AC CONVERTERS
n MOTOR CONTROL, AUDIO AMPLIFIERS
n AUTOMOTIVE ENVIRONMENT (INJECTION,
ABS, AIR-BAG, LAMPDRIVERS, Etc.)

200 Watt TO-247 version, some DATA:

Max Voltage Drain source: 100 V
Max 60 Ampere
0.75 C/W cooling factor
RDSon 0.02 Ohm
Ciss, input capacitance: Typ 4000pF Max 5000pF
.

Yes,
they could be used,
if using proper drivers or VAS stage working at a bit higher current.
Because of the very high input capacitance these beast are not as easy to drive.

Normal for IRFxxx is like 1000 and max ~2000pF Ciss.
And lateral MOSFETs like 2SK1058 can have as good low Ciss value as 600pF
This makes these very easy to drive
and sometimes a VAS stage only at 10-20 mA can drive them directly.

But, again
in the correct supporting amplifier circuit
they would work, especially when need to put out LARGE CURRENTS
= low impedance speakers and high powers.

However,
you cant use them with higher voltage suppy than 2 x 50 Volt.
This would limit max output power a lot into 8 Ohm.

Such an amplifier would be more suitable for 2-4 Ohm speakers.
Or if paralleling 4//4 Ohm (Sub-)Woofers.
When they would be able to give Large Currents to load.


lineup
 
Or maybe tis schematic.IS this will be OK to run these transistors:
 

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quasi said:

If you follow AndrewT's suggestion and build my amp then you will get about 65/120/220 watts into 8/4/2 ohms.
I don't know what package your FET is so may need to modify the PCB.

If you send me an email I'll send you all the info you need.

Cheers
Q

Package is TO-247, the 200Watt version of this MOSFET

As, also, I wrote in my post with short DATA for this device
in my post above
the thermal cooling factor is 0.75 C/W
and the Ciss is 4000-5000pF, which certainly is worth to consider!



lineup


---------------------------------------------------------------------------
My previous post in this topic, with some major DATA
and my own thinking of how to use these devices:
--------
http://www.diyaudio.com/forums/showthread.php?postid=1047297#post1047297

;)
 
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.