VO4157H-X007T

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Optoisolators are a type of device used to transfer electrical signals across two separate circuits, which are not electrically connected. They are used in a variety of industrial, commercial and automotive components and equipment, such as motor control, driving circuit protection, and various security applications. The VO4157H-X007T, an optoisolator, is specifically designed to switch a Triac or SCR output.

The VO4157H-X007T, or Photodarlington Optocoupler, is composed of a light-activated infrared LED (light emitting diode) on the input side and a photodarlington electromechanical switch on the output side. The LED is activated by an electrical signal sent through a control circuit. When it receives the signal from the control circuit, the LED emits a beam of infrared light that is picked up by the photodarlington switch and converted into an electrical signal. This signal is then passed through the output circuit. The generated signal triggers the Triac or SCR switching operation, allowing the connected load to be controlled.

The VO4157H-X007T, with its advanced photodarlington technology, is designed to safely connect two isolated circuits. It is optically coupled and electrically isolated, making it ideal for use in applications where power or signal lines may be exposed to extreme environments such as harsh weather, power surges, electrostatic interference, or violent fluctuations. The optocoupler has an insulation resistance of 2500VAC and a breakdown voltage of 5000VAC, which ensures a safe electrical working environment.

The VO4157H-X007T is smaller and lighter than conventional optocouplers, and has a reliable insulation distance of 3.2mm. Its switching current is 16A and its pulse repetition frequency is 40kHz. It can operate in temperatures ranging from -40°C to 85°C and is UL recognized at 600/50V AC. Its compact size, good safety features, and versatile power make it ideal for use in a wide range of applications, including motor control, security systems, automotive applications, and industrial automation systems.

The VO4157H-X007T is an excellent choice for an optoisolator in applications that require Triac or SCR output switching. With its reliable and efficient insulation and switching capabilities, it provides a safe and reliable connection between two electrical circuits. Its advanced features, versatile power, and compact size make it an ideal choice for a variety of applications.

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