Tact switch! Need Help Please...

[kaos731]

I Want to use a tact switch for my mod box ( I like the clickyness) but I am confused about how to wire this up.

The tact switches have 4 leads instead of the customary 2 leads that normal switches have.

12VDC 50mA SPST 6.2x6.2 mm SMT Tact Switch, 9.5mm High - RadioShack.com



Can anyone tell me how to wire this up?
Do I just bridge the leads on either side and wire like a 2 lead momentary switch?

- Kaos

 

[MickeyRat]

You won't go wrong doing it corner to corner. I usually take an ohmmeter to it just to be sure. You'll need a mosfet. That switch won't take the current for long.

 

[kaos731]

wait but it says 12volts @ 50ma. My mod box is only throwing 3.7 volts at a range of 2.5 -3.0 amps.

Are amps a bigger current than mili-amps?

and what is a "mosfet" where do I get one and how do I wire that up in relation to the switch?


Sorry for all the questions but I am a new modder and stepping away from the "safe & easy" standard 125volt @ 3.0 amp switches I've been using.

 

[MickeyRat]

One amp is 1000 milliamps. So yeah, amps are bigger than milliamps. Here's a video that shows the basics of N-channel mosfets which is what most people use.



I've used this one before. An N-channel mosfet goes between what you are powering and ground. The wiring sequence goes positive side of the battery to both the switch and the center of the atomizer. Other side of the switch to mosfet gate. Atomizer outside to mosfet drain. Mosfet source to negative side of the battery.

 

[kaos731]

Can you post a pic or drawing of how to wire this up to the switch, Battery, and atomizer connector?

I am not very electronic literate here and need my hand held with this stuff.

 

[Deadite]

Check out asnider123's post here.
Put the tact switch across the touch point.

Or Scubabatdan's post here.
The mosfet Scubabatdan uses stays much cooler the the other.
I'm currently using Scubabatdan's mosfet setup.