Instead, his coil uses a relay in place of a spark gap ... to this design that [Teodor] recently discovered is that the relay contacts get red-hot after a few minutes of operation.

Simple relays consist of a magnetic core wrapped in a wire coil, a movable armature attached to an iron yoke, and one or more set of contacts. When an electric current passes through the coil it ...

When a current is supplied to the coil of wire, the relay closes, allowing current ... Not all switches function by simple electrical contact: some relatively common switches rely on a change ...

Pickering Electronics has introduced its latest high-density reed relay, the Series 125. The series is said to be the ...

the reed contacts are drawn together and the switch closes. When the coil is de-energized, the spring force in the reeds pulls them apart and opens the switch. An open (top) and closed reed relay. A ...

Omron Electronic Components Europe has launched a new high-power PCB relay, which needs up to 51% less mounting space than similar 480VAC 55A relays. Weighing just 18g, the relay needs 488mm2. The ...