HA210N06 MosFet breakout Board Mount

by Taxus812, published

HA210N06 MosFet breakout Board Mount by Taxus812 Jan 4, 2017
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This is a Mounting pad I made to mount my HA210N06 Mosfet Breakout Board. If you use this make sure you use short screws so they don't poke out the back and touch what you are mounting it to. I used 1/4" No2 screws.

I added a V2 (I had it a while ago but it didn't generate a preview). It just has taller standoff.

Print Settings

Printer Brand:



Wanhao Duplicator i3 V2


Doesn't Matter








I used PLA worked great.

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I used this one, which was nice and handy to attach to the existing board

Standoff for Heat Bed Power Module Expansion Board (MOSFET) for Monoprice Maker Select, Wanhao i3, Cocoon Create

The holes on this one are slightly off for the board I ordered. I made one with the correct dimensions. I also made the holes bigger to fit M3 screws: http://www.thingiverse.com/thing:2230682

Universal Hotbed Mosfet Mount - Hotbed Burning Terminal Fix

Appreciate your effort on this.

I noticed that the bottom is not flat. The circle for the standoffs in v2 (and the same area in the orig) are about 0.15mm past the bottom of the plate. So, when you preview the layers that will print, layer one is 4 circles in the 4 corners and layer two is a full flat layer. that means that the 2nd layer is about 0.15mm above the build plate.

Im letting the print go to see if it finishes and is usable, but you may want to take a look at it. I imported the file in to SKETCHUP and can see the tiny protrusion of each standoff on the bottom.

Again, better effort than I could make, so i appreciate your work. Just a tiny change if you have the time would make it a cleaner print.

These boards can be found on Amazon.com and they run under $10. I got three of them today. If you have a MakerFarm printer, it will have a relay board to connect the bed heater to. This relay board is the mechanical version of this fully electronic break-out board. The problem with the relay is that it will eventually have a failure because of the relay not being able to handle the heat. Mine melted some of the connectors and the relay. This solid-state board will connect the same way and takes the trigger from the same place as the old mechanical relay board. Actually, this one is less expensive than the relay system. The best part is that this electronic version should be absolutely quiet. I've also heard that this will heat the bed up faster, but that's only what I've read. You could probably use a second board to control the hot-end heater, further reducing the power strain on the printer controller board. I have a Rambo v1.3 board and it will blow a fuse now and then. It's always the fuse that controls the hot-end heater. I'll be installing one for my bed heater, and one for my hot-end heater sometime in the next few days. For mounting, I'll use 1/4" nylon spacers for a little air gap between the mounting surface and the board. My primary printer has wood sides.

Thanks so much for making this! My MOSFET board arrives later today and I can't wait to get it installed and alleviate the stress of burning out my printer. How are you attaching this to the control box? Are you screwing into the existing holes that exist for the print spool holder or some other method? I am wondering if I would be better off gluing the mount into the control box?

I used scotch outdoor double sided tape. I have heard of so using Velcro and some gluing it. You will need to determine what is best for your situation.

Hi, where you bought mosfet??

Here is a Wiki on how this part was used with sources for the Mosfet. http://3dprinterwiki.info/wiki/wanhao-duplicator-i3/di3-advanced-mods/heatbed-terminal-burning-fix-with-mosfet-board/

NOTE: Use this at your own risk! I take no responsibility for any of you electrocuting yourself or burning your house down.

What type of screws are you using (size, length)?

The standoffs are 5mm from front to back. The screw holes are 2mm. I used a 1/4" No 2 pozi pan self tapping screws I had on hand.

Hello Taxus,

What does the break out board do?
My heat bed mosfet is acting up. It smells bad if I use the heated bed and eventually causes the printer to restart during the print.
I have been printing without it.

The external mosfet takes the load off the control board by using a seporate power lead to power the heatbed.

OK. I think that's what I need.

Could you please provide a link to that part?

I really appreciate your help!

I bought mine from Amazon, https://www.amazon.com/gp/product/B01MY50JL3/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1.

Here are some instructions along with more links to purchase from different sites; http://3dprinterwiki.info/wiki/wanhao-duplicator-i3/di3-advanced-mods/heatbed-terminal-burning-fix-with-mosfet-board/

The banggood site, on my computer, does not load. You will have to remove the "m." at the beginning of the link to make it load.

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