EL1119(TB)-V

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Optoisolators are optoelectronic components that use a photovoltaic or photoelectric device to interface two isolated electrical circuits. This type of isolation is a popular form of electrical isolation, whereby the signal transmitted to the output side remains completely isolated from the input side, typically through an air or glass gap. This isolation method creates better protection against the risks posed by electric shock, electrical noise, and voltage transients. One of the more popular types of optoisolators is the transistor, photovoltaic output (EL1119(TB)-V).

The EL1119(TB)-V optoisolator consists of a photo transistor, light source, and light sensing element with a maximum current of 30mA. The optoisolator has an output type that is either NPN or PNP, a minimum operating temperature of -40°C, and a maximum operating temperature of +125°C. It has a response time of 2 us, a rise time of 10 us, and a fall time of 4 us. The device has a photo current of 1 mA, and a photo dark current of 10 μA.

The EL1119(TB)-V employs a phototransistor output principle in order to transfer a signal from one electrical circuit to another while keeping them electrically isolated. The component has two operational circuits: one which transmits the signal or data, and one which receives the signal or data. When the main control circuit is in operation, the EL1119(TB)-V passes a current through the light source. This current activates the light source, which emits light on the sensing element. The photo transistor output circuit will then detect the light signal and convert it to an electrical current.

This optoisolator finds application in a wide range of electronic circuits, such as micro controllers, embedded systems and measurement systems. The device is also frequently used in applications that involve a high level of electrical noise such as industrial and medical equipment, alarm systems, and automotive applications. As its isolation characteristics allow it to maintain high performance under even the most challenging industrial conditions.

The EL1119(TB)-V optoisolator serves many critical functions in the world of electronics. Its light-controlled output and isolation characteristics make it an ideal choice for any application that requires protection from high levels of electrical noise. From embedded systems to automotive applications, this optoisolator is a versatile and reliable component offering protection to sensitive electronic circuits from electric shock, electrical noise, voltage transients, and other environmental hazards.

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