Solid State Relay (Thyristor Output)
Solid State Relays (SSR) with thyristor output are semiconductor devices that control high-power AC loads using electronic switching. Unlike traditional electromechanical relays, SSRs have no moving parts, offering superior reliability and longevity. They are commonly employed in industrial automation, heating systems, lighting control, and power electronics.
The evolution of SSRs has seen a shift towards higher power handling capacities, faster switching speeds, and improved temperature stability. These advancements have broadened their applicability in demanding environments.
Thyristor output SSRs are characterized by their ability to handle high currents and voltages, making them suitable for controlling large loads. Key specifications include:
- Voltage Rating: The maximum voltage the SSR can withstand.
- Current Rating: The maximum current the SSR can switch.
- Switching Speed: The time taken for the SSR to turn on or off.
- Isolation Voltage: The voltage that can safely be applied between the control circuit and the load circuit.
The market for SSRs is experiencing steady growth driven by the increasing demand for energy-efficient and reliable control solutions. The future holds advancements in power density, integration with microcontrollers, and the development of more sophisticated control functionalities.
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- PANASONIC AQH3213A
- PANASONIC AQG22205
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- PANASONIC AQH2223A
- CT Micro International CTT1213
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- Sharp Microelectronics PR39MF51NSLH
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- Littelfuse/IXYS PD1201
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- Sharp Microelectronics PR33MF51NSLH
- Lite-On LTV-3223
- BC2213