VO618A-4

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Optoisolators – Transistor, Photovoltaic Output – VO618A-4 is a 6 pin SMT DIP device. It has an output transistor that is suitable for both logic level and line drive applications. The device is ideal for protecting microprocessor-based systems from transient voltage spikes, high ESD levels, and electrostatic voltages.

The VO618A-4 consists of a gallium arsenide infrared emitting diode optically coupled to a photo-transistor detector. The detector is electrically isolated from the emitter by a gap between the two leads. This allows for electrical isolation between the input and output circuits. The input LED has a peak spectral emission of 880nm, and its operating current is 15mA maximum. The photo-transistor detector is sensitive to a range of wavelengths from 660 to 1100nm.

The VO618A-4 comes in a variety of package types, including TO-220, plastic encapsulated DIP (DIP4), plastic encapsulated SMT (SMT6), and surface mount (SMT6). It is available in a wide range of current ratings, from 1.5A to 3A, and is capable of operating at temperatures between -40°C and 105°C, depending on the package type.

The VO618A-4 is designed to provide high performance isolation between circuits. It allows for the transfer of high frequency signals from one side to the other without any cross-talk. In addition, it provides transient protection from transients and ESD voltage spikes, making it ideal for applications where high channel-to-channel isolation is required.

The optoisolator works by a process called photo-electric effect. When light, usually infrared light, is shone on the LED, a current is generated in the LED. This current is then transferred through the gap between the Output and Emitter leads to the photo-transistor detector. This creates current in the collector-emitter path of the photo-transistor, which results in the driving of a load.

The VO618A-4 is well suited for applications such as data communications, process control, industrial controls, and consumer electronics. It provides high speed signal transmission, reliable isolation, and transient protection for microprocessor-based systems. It is also suitable for a variety of medical and scientific instruments, and it can be used in designs that require voltage or current limiting.

The VO618A-4 is an ideal choice for electronic applications because of its high speed signal transfer, reliable isolation, and transient protection features. In addition, it is designed to provide good thermal stability, allowing it to withstand high temperature operation. Its robust design, excellent performance, and cost effective pricing make the VO618A-4 an attractive optoisolator product for electronic circuit and product design.

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