DPA4119

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As with all Solid State Relays (SSR), the DPA4119 has two principal elements – a control circuit and a solid-state output. The DPA4119 is designed to draw low current input to activate an external device from a separate supply voltage.The control circuit of the DPA4119 accepts control signals from devices such as PLCs, counters, sensors, and timers for use in applications like temperature control, pressure control, and motor control. The control circuit has a built-in level shifter, allowing the DPA4119 to be powered by any direct current voltage supply in the range of 7.5V to 30V.The second element of the DPA4119 is a solid-state output, this is where most of the work is done to activate an external device. This output is made up of a MOS-FET switch with a low on-state resistance, which allows for high current switching with minimal power loss.The combined circuit of the DPA4119 switches the connected device on and off with control currents from 7.5mA to 350mA. This low control current results in very low power consumption, making the DPA4119 ideal for applications which require low power operation.Applications of the DPA4119 include DC motor control, solar array`s, thermostats, temperature controlling systems, lighting controllers, and process control systems. The control circuit of the DPA4119 switches on and off the MOSFET switch, allowing the connected external device to be activated or deactivated. When the MOSFET is closed, current flows from the positive to the negative source and the connected external device begins to operate.The DPA4119 also features built-in protection features which protect the connected external device from overload and current leakage. This ensures that your system continues to operate stably and reliably and helps to eliminate the need for additional external protection circuitry.Overall, the DPA4119 is an ideal choice for applications that require low power, low current switched operations. Its low current control requirements make the DPA4119 an ideal choice for a range of applications, such as motor control, solar array control, and thermostat controllers. Its built-in protection features add an additional layer of safety for use in these applications, and its intuitive design ensures quick and easy implementation.

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