TLP291(GR,E)

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Optoisolators - Transistor, Photovoltaic Output

The TLP291(GR,E) is a type of optoisolator that is composed of a photovoltaic diode, a phototransistor, and a light shielding baffle. It is a device designed to give electrical isolation between two circuits when they are connected. It works by emitting a light beam from its photodiode that falls on the phototransistor, turning it on. In turn, this turns the output transistors on and off, allowing the signals to pass between two electrically isolated areas.

When the TLP291(GR,E) is used in the field, it can be used to create separation between control circuits and power circuits on motor drives, wireless remote control systems, and photoradiometers. This isolation helps to protect the device inputs and outputs from overcurrents, overloads, and short-circuits. In addition, it also reduces the possibility of inductive noise or interference that could compromise the operation of the device.

The TLP291(GR,E) operates on the principle of light emission from its photodiode illuminating the phototransistor. When the photodiode is Directly or Indirectly illuminated, the resistance in the phototransistor decreases. This in turn causes current to flow from the input to the output side. The output voltage of the optoisolator is controlled at a constant level regardless of the changes in the input voltage.

The maximum input voltage for the TLP291(GR,E) is 6.0V and the maximum output voltage for this device is 300V. The minimum operating temperature for this device is -20 ̊C and the maximum operating temperature is +105 ̊C. The insulation resistance for this device is 500MΩ and the dielectric strength for this device is 4.0kV.

In terms of safety standards, the TLP291(GR,E) meets UL and CUL certification standards. These certifications are important to ensure that the device is safe to use in industrial applications. In addition, this optoisolator is also RoHS compliant, which means that it does not contain hazardous or toxic materials, and is thus eco-friendly.

In conclusion, the TLP291(GR,E) is an optoisolator that efficiently provides electrical isolation between two circuits by using light emission and phototransistors. It has a wide range of applications in motor drives, wireless remote control systems, and photoradiometers. Moreover, this optoisolator is also compliant with safety standards, such as UL and CUL, and is environmentally friendly. Thus, it is a reliable and safe solution for electrical isolation in many industrial applications.

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