Tagged Questions

4
votes
2answers
154 views

Creating a high-current bus on a PCB

I'm planning a custom power-distribution / fuse-board for in-car application, but that requires carrying high currents (50A+ @12v*) on a PCB trace. Since I'd like to keep the board cost, and physical ...
3
votes
2answers
180 views

Is it possible to switch relay above the power spec?

I am planning to use a DC drived SPST reed relay. Below I include the spec for voltage, current and power ratings. Contact Rating: 200W Carry Current: 5A Switching Current: 3A Switching Voltage: ...
11
votes
4answers
2k views

How to carry high current on PCB

I need to pass high current on some part of my circuit. I used an online PCB track width calculator to see that required track width is about 5mm and minimum clearance is 1mm, which makes it about 7mm ...