HA4850K

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Solid State Relays (SSRs) are electronic switches that use a variety of technologies, from mechanical relays to electronic devices like transistors, to control switching. The HA4850K is a type of SSR and is an isolated two-channel DC/AC/PWM solid-state relay with a wide input voltage range and drift-free output voltage. It can provide both AC and DC control signals, with high accuracy and wide voltage control range.

The HA4850K is designed with two normally open (N/O) outputs, with one output connected to to the positive supply and the other connected to the negative supply. This allows for switching of two DC channels, two AC channels, or a combination of both AC and DC.

The inputs can be DC voltage (0-30V), AC voltage (0-400VAC) or a combination of both. The output uses a push-pull solid-state switch to provide either high- or low-state voltage control of the two channels. The HA4850K features an adjustable trigger range and a variable switching time. The switching time can be set to 180 μs, 500 μs, or 1000 μs, making it suitable for PWM applications.

The HA4850K is designed to be a robust and reliable SSR with a wide range of application requirements. It is widely used in industrial automation systems, temperature controllers, solid-state lighting and LED drivers. It is also used in motion control applications, frequency converters and pulse control.

The main operating principle of the HA4850K is based on an MOSFET switch. When the input signal is applied to the control terminal of the relay, the MOSFET switch is activated and an output current is generated which activates the relay’s electromechanical switch. This output current then activates the other outputs of the relay. The HA4850K has a low power dissipation capability and provides excellent signal transmission.

The HA4850K is a reliable and robust SSR with a wide range of application requirements. It can provide both DC and AC control signals, with a wide voltage control range and accurate switching. It is well suited for use in industrial automation systems, temperature controllers, solid-state lighting and LED drivers, motion control, frequency converters and pulse control applications. It has a low power dissipation capability and provides excellent signal transmission.

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