EL814S1(TB)

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An Optoisolator - Transistor, Photovoltaic Output, also known as EL814S1(TB), is an electrical component used to separate circuits electrically while providing digital or analog signals between the input and output sides. It is widely used in a variety of applications requiring isolation protection, including power system control, industrial automation, medical, telecommunication and consumer, and automotive applications.

The EL814S1(TB) Optoisolator utilizes a light emitting diode (LED) coupled with a voltage and/or current triggered phototransistor output type optoelectronic device. It can transmit signals of up to 15kilovolts and 10mA of current, with response times of less than 1microsecond. This optocoupler is available in an epoxy Dip package, designed for mounting on a printed circuit board.

The EL814S1(TB) imparts complete galvanic isolation between input and output circuits. The optocoupler’s photovoltaic output is triggered by the light emitted from an LED when it is switched on. The current or voltage that it can switch depends on the size of the driven LED. The optoelectronic device in the form of a phototransistor will detect the light emitted from the LED and switch on when it exceeds a certain threshold level.

The working principle of EL814S1(TB) is quite simple and involves three distinct steps:

• Photogeneration: The LED emits photons of light when it is triggered by a voltage or a current. This triggers the phototransistor.
• Transduction: The photons are converted by the phototransistor into an electrical signal.
• Isolation: The optoisolator’s isolation barrier electrically separates the input from the output so that the input signal is not affected by external sources of noise.

The EL814S1(TB) optoisolator is an economical and reliable solution to a wide range of applications requiring optical isolation. It is rugged and reliable and requires no external drive circuitry, making it ideal for use in industrial, medical, automotive and telecommunication applications. The device is designed for mounting on a printed circuit board and is available in single, dual, triple, and quad packages.

The EL814S1(TB) optoisolator is designed to provide an isolation barrier between input and output circuits in order to provide protection to sensitive electronic components. Its photovoltaic output design makes it suitable for a wide variety of applications requiring isolation protection, such as industrial automation, power system control, medical, telecom, consumer and automotive applications. The device is widely available in the market and offers cost-effective and reliable isolation solutions.

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