TLP2261(D4-LF4,E

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TLP2261(D4-LF4,E is a Logic Output Optoisolator component belonging to Toshiba. The component is used for isolation of 2 circuits that are capacitively coupled. As a light activated switch it provides an output voltage that is switched on and off depending on the received input signal. The component is constructed from a GaAs infrared LED and a NPN switching transistor and it requires a power supply of 5V for operation.

Toshiba designed the TLP2261(D4-LF4,E for applications requiring a high degree of electrical isolation and signal transmission between two physically separated circuits. It is rated for a maximum voltage of 40V and a maximum current of 500mA. The component features an extremely wide range of output voltage, with a minimum of 0.2V and a maximum of 28V. Furthermore, the isolation voltage between the input and output is rated at 5000VAC. These features make the TLP2261(D4-LF4,E suitable for driving MOSFETS, triacs and other components that require a high voltage or current for their operation.

The working principle of TLP2261(D4-LF4,E is based on the use of an optically coupled isolator. The component contains a light emitting diode (LED) with a built-in series resistor at the input side which receives the input signal. The signal is then delivered to the output side, where a photo detector with an integrated transistor responds to the light generated by the LED. This LED-transistor combination is directly coupled to an output device, such as a MOSFET, triac or resistor, for producing a switched output.

The TLP2261(D4-LF4,E is a popular component among electronics hobbyists as well as in commercial applications. It can be used to isolate a DC/AC motor, a solenoid valve, a refrigerator, or any other device that requires electrical isolation for its operation. Additionally, the component is capable of providing level shifting capabilities, enabling circuits to be connected over wide voltage ranges with voltages over 28V. It is also suitable for driving relays, controlling light dimmers, or any other device that requires control over a wide voltage range.

The Toshiba TLP2261(D4-LF4,E is a reliable and cost-effective solution for a variety of applications requiring an optically coupled isolator. It offers an input-to-output isolation voltage rating of 5000VAC and a wide output voltage range of 0.2V-28V, making it suitable for a wide range of switching applications. Its wide range of applications, combined with its reliable performance and low cost, make the TLP2261(D4-LF4,E a popular choice for hobbyists and commercial applications alike.

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