TCLT1000

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Optoisolators are devices used to provide electrical isolation of one circuit from another that are connected by use of light. This can be done by placing the two circuits in different housing or by having a light source, such as an LED, that illuminates a photosensor. In either case, there is essentially no electrical connection between the two circuits, preventing any direct transfer of noise or other noise-causing signals. A TCLT1000 Photoelectric Isolator is an isolator using a transistor, photovoltaic output (TPO).

TCLT1000 Application Fields and Working Principle

The TCLT1000 is a TPO isolator that has a wide array of applications. It can be used in communications, industrial automation, medical, consumer electronics, automotive, and data transmission. It is commonly used to eliminate failures due to EMI, RFI, and ground isolation. The TCLT1000 utilizes a high efficiency LED in the emitter side to optically couple information onto a detector side, which contains a photodiode, a photo-transistor, and other components depending on the configuration. The LED typically has a forward voltage of 1.2V, and a maximum operating voltage of 12V, making it suitable for a wide range of input voltages.

The LED is powered on the emitter side of the device and when illuminated, produces a light beam that travels to the detector side. When this light beam reaches the photodiode it produces a current, which is then amplified by the transistor and output on the collector side. This output is typically between 0-100mA, and can be used to drive a variety of external components. The output of the TCLT1000 is isolated from the input, meaning that noise signals and voltage spikes transmitted through the ground from one side to the other will be blocked.

The TCLT1000 also has unique features such as low power consumption, fast response time, low temperature drift, high voltage isolation, accurate current pulse response, and superior linearity. The device is also resistant to EMI and temperature so it can be used in most conditions. Overall, the TCLT1000 is a reliable and versatile isolator that can be used in a variety of applications.

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