TLP521X

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Optoisolators, also known as opto-couplers and opto-isolators, are electronic components used to transfer signals between two circuits while providing electrical insulation. The TLP521X is an optoisolator component with transistor, photovoltaic output. It uses infrared emitting diodes to convert data signals and electrical signals into optical signals before transmitting them from one circuit to another.

The TLP521X contains a GaAs infrared emitting diode optically coupled to an NPN silicon phototransistor output. It has a typical collector-emitter saturation voltage of 0.3 V and can be used to transfer signals up to 100mA in disconnected circuits. Its electrical insulation between input and output is supplied by the 6300Vrms minimum breakdown voltage.

The TLP521X features excellent high temperature stability with an operating temperature range of -40°C to 100°C, and the ability to tolerate brief exposure to temperatures up to 150°C. The device is reverse-biased during operation, providing for optimum radiation performance and short circuit protection.

The TLP521X is well-suited for a variety of applications due to its small package size and low current consumption. It is widely used in industrial control systems, consumer electronic systems, automotive systems, solid-state relays, and telecom systems. These devices are also used for driving MOSFETs, IGBTs, and other switching devices.

The TLP521X consists of two main parts: the infrared emitting diode and the phototransistor output. When the diode is forward biased by the applied signal, the light emitted is received by the phototransistor. This causes the output of the phototransistor to become HIGH. This HIGH signal is equivalent to the applied signal.

The TLP521X is a four-pin optocoupler package that is designed for board mounting with pins spaced 4.5 mm apart. It operates from a 5V logic supply voltage and requires no input current. The package has a built-in density gradient filter that minimizes noise and ensures that the output TTL level remains stable even in noisy environments.

The TLP521X offers a wide range of electrical, optical, and environmental features that make it ideal for many applications. The device has a high electrical isolation voltage and is very reliable. It also offers low power consumption and is immune to radiation. The device is also highly durable and has a long service life.

The TLP521X is a reliable, versatile component for use in a variety of applications that require electrical isolation and signal transfer. It is designed for easy installation and offers excellent performance and reliability. The device is highly cost-effective and is capable of transmitting data up to 100mA in disconnected circuits.

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