Hello everyone, i have a lot of 020N03LS Smd power mosfets recovered from servers motherboards, can anyone gives me ideas about what can i do with them? Where can i use them? Any circuits? Thanks in advance
Use them in electronic cigarettes.
They were most likely previously used in V-core regulators and would have been driven by a switcher into a choke.
https://www.infineon.com/dgdl/Infin...N.pdf?fileId=db3a304412b407950112b427641b3c1f
They were most likely previously used in V-core regulators and would have been driven by a switcher into a choke.
https://www.infineon.com/dgdl/Infin...N.pdf?fileId=db3a304412b407950112b427641b3c1f
Good for low voltage switching. In fact very good for low voltage switching. Not so good for anything else, 30V abs max precludes use in most class-D amps for instance, or for speaker protection, or for soft-start circuit. They are spec'd for very high current buck conversion at low voltage.
Motor H-bridge perhaps?
Motor H-bridge perhaps?
Right they are high current MOSFETs, 6 of them, in parralel,in positive rail, removed from a Supermicro power supply (12v 120 amps), I will try to use them , because I have a lot.
They might not have been in parallel, typically used in a poly-phase buck converter, to improve efficiency and reduce ripple losses - certainly if on a motherboard this is the normal arrangement. I'd assume a 12V supply designer wouldn't miss this trick.
I had tested with multimeter in continuity mode, each gates, drains and sources of this 6 MOSFETs on PCB and they was connected in paralel! I think they acted all 6 like one switch for those 120 amps!
Old design motherboards had 4 phase conversion, and these were used for CPU and RAM power from the 5 ad 12 V supplied from the SMPS.
In audio use, I doubt they will work well.
Also, removing them can cause heat damage, as there is a solder pad under each transistor.
The Chinese mosfet are cheap, 80V 80 A used in amps are $2 each, these are 30 cents each in retail.
In audio use, I doubt they will work well.
Also, removing them can cause heat damage, as there is a solder pad under each transistor.
The Chinese mosfet are cheap, 80V 80 A used in amps are $2 each, these are 30 cents each in retail.