EL817(M)(D))-VG

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Optoisolators are an essential form of electrical isolation used to protect more sensitive devices from current spikes, dangerous voltage differences, and fugitive electrical current that may flow between systems. The EL817(M)(D))-VG is a three-terminal device consisting of a gallium-arsenide infrared diode, a base drive and a collector output that provides excellent electrical isolation between input, output and power supply. This optoisolator is particularly well-suited for protecting analog signal circuitry during conversion and/or signal isolation.

The EL817(M)(D))-VG offers a wide range of application field, including controllers, data communications and power supplies, with a variety of options to meet any specific needs. It provides excellent electrical isolation between input, output and power supply and between it and other circuits, making it ideal for protecting sensitive electronic circuits from electromagnetic interference (EMI), high-voltage spikes, and degrading high-frequency noise. It is especially useful for applications where the signal from one circuit must be transmitted to another circuit without allowing any current to bridge the circuits.

In terms of working principle, the EL817(M)(D))-VG features a power-on reset (POR) functional block. This functional block is used to reset the output of the optoisolator to its logic zero state when the device is powered down or powered up. The logic one state of the output is attained by applying a forward bias voltage to the LED embedded in the isolator. This forward bias voltage accelerates the current flow in the LED and draws out a base drive signal from the POR. This base drive signal then drives the output of the isolator to its high logic state.

The EL817(M)(D))-VG optoisolator is in a class of solid state protection devices known as photocouplers (also referred to as optocouplers). These devices are used to provide reliable, low-cost electrical isolation between portions of circuits. This particular device includes a power-on reset (POR) block to enable control of device output state during power up and after power down. The device is designed to meet the rigorous needs of all kinds of electronic systems, from medical, automotive and telecom to industrial, robotics and consumer applications.

The EL817(M)(D))-VG optoisolator uses a state-of-the-art photo-voltaic output to provide excellent electrical isolation between its input, output and power supply. This device is designed to handle up to 250 milliamps of signal current, with wide operating temperature range and current switch options. Its POR block is able to reset its output to either high or low level whenever power is applied to the device.

The EL817(M)(D))-VG optoisolator\'s power-on reset (POR) block provides excellent electrical isolation between its input, output and power supply. This device can be used to protect sensitive electronic circuits from electronic disturbance and damaging high-frequency noise. Its unique features make it ideal for many different applications in various electronic systems, from medical, automotive and telecom to industrial, robotics and consumer applications.

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