UTP28SP18GY

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UTP28SP18GY is an Optocoupler application chip developed by UTC. It includes a high speed AC thyristor or Triac, an optoelectronic isolator and compliant isolation transformer. Its application field is mainly in telecommunications, automotive and industrial equipment. It works as a signal relay to control electronic devices.

UTP28SP18GY\'s working principle is based on its optoelectronic isolator and associated electronics to cut off AC supply to the loads connected to the output of the device. When a signal is sent to the input of the optocoupler, the light generated by the LED in the optocoupler will be collected by photodiode. This photodiode then activates the on-chip optically coupled thyristor or triac, thereby switching the output for controlling. This signal isolation between input and output avoids any interference or interference from the output circuit to the input circuit.

In addition, one of the main advantages of using UTP28SP18GY is its ability to adjust its reaction time with a flip-flop type system. The thyristor or triac can be triggered at a specified time according to the gate signal, and its turn-off time is adjustable by changing the gate signal. This makes UTP28SP18GY ideal for applications with relatively large load currents and multi-operational requirements.

It is also important to mention that UTP28SP18GY consumes very low power during operation. It is compatible with a wide range of operation voltage that can range from 6V to 50V. This feature allows the manufacturer to save valuable power in a number of critical applications. This chip has a very high rated forward current of 500mA and an off-state current of 10μA at an ambient temperature of 45°C or less.

In general, UTP28SP18GY is an excellent application chip for many applications in telecommunications, automotive, industrial, and consumer electronics fields. Its combination of advantages makes UTP28SP18GY a popular choice for many manufacturers.

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