solid state relay

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solid state relay

A relay that contains no mechanical parts. All switching mechanisms are semiconductor or thin film components.
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Solid-state relays have done a lot to reduce the size of switching systems for low-voltage, low-current applications.
10 and cover topics from Li-ion batteries to Gallium Nitride (GaN) semiconductors and solid-state relays (SSRs).
Silicon Labs has debuted a groundbreaking CMOS-based isolated field effect transistor (FET) driver family that enables developers to use their choice of application- specific, high-volume FETs to replace outmoded electromechanical relays (EMRs) and optocoupler-based solid-state relays (SSRs).
Herman describes solid state devices common in industrial environments to help students of electricity and engineering understand how many of the control components operate, such as solid-state relays, rectifiers, silicon-controlled rectifier (SCR) drives for direct current motors, variable frequency drives for alternating current motors, and the inputs and outputs of programmable controllers.
Developed specifically for the process industry, railway applications and machine and plant manufacture, WEIDMULLER says its single-phase Power Solid-State Relays modules have highly reliable switching, a compact design, low drive power, and short response times.
Gems Sensors & Controls makes liquid level, flow, and pressure sensors; solid-state relays and barriers; liquid and pneumatic miniature solenoid valves; and pre-assembled fluidic systems.
Options include two solid-state relays or SPDT mechanical relay outputs for basic to semi-advanced automation.
* 2 optional solid-state relays or SPDT mechanical relay outputs.
The switch is available with two solid-state relays or a solid-state relay plus an analog output.
Suitable for combined loads from 10 amps to 100 amps, the heat sinks can accept 1, 2 or 3 standard, single, dual or 3-phase solid-state relays. The heat sinks are designed for DIN rail or panel mounting and are available with thermal impedance ratings from 5.0[degrees] CNV to 0.5[degrees] C/W.