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2. Solid-state relay - Wikipedia

   en.wikipedia.org/wiki/Solid-state_relay

   Solid state relay with green LED Solid state contactor PCB mount solid-state DIL relay. A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals. They serve the same function as an electromechanical relay, but solid-state electronics contain ...

3. Relay - Wikipedia

   en.wikipedia.org/wiki/Relay

   Solid-state relays have no moving parts. 25 A and 40 A solid state contactors. A solid-state relay (SSR) is a solid state electronic component that provides a function similar to an electromechanical relay but does not have any moving components, increasing long-term

4. Mercury relay - Wikipedia

   en.wikipedia.org/wiki/Mercury_relay

   Normally closed mercury relay, with coil around top of tube and adjustable angle. A mercury relay (mercury displacement relay, mercury contactor) is a relay that uses mercury as the switching element. They are used as high-current switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts.

5. Category:Solid state switches - Wikipedia

   en.wikipedia.org/wiki/Category:Solid_state_switches

   Solid-state relay; Static relay; T. Thyristor; TRIAC; Trisil This page was last edited on 23 March 2013, at 09:27 (UTC). Text is available under the Creative ...

6. Solid-state electronics - Wikipedia

   en.wikipedia.org/wiki/Solid-state_electronics

   The term solid-state became popular at the beginning of the semiconductor era in the 1960s to distinguish this new technology. A semiconductor device works by controlling an electric current consisting of electrons or holes moving within a solid crystalline piece of semiconducting material such as silicon, while the thermionic vacuum tubes it replaced worked by controlling a current of ...

7. Voltage regulator - Wikipedia

   en.wikipedia.org/wiki/Voltage_regulator

   A ferroresonant transformer can operate with an input voltage range ±40% or more of the nominal voltage. Output power factor remains in the range of 0.96 or higher from half to full load. Because it regenerates an output voltage waveform, output distortion, which is typically less than 4%, is independent of any input voltage distortion ...