H11D1SVM

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Optoisolators are used in a wide range of applications to provide electronic isolation and to protect sensitive circuitry from electrical noise. The Optoisolator used in this discussion is the H11D1SVM, a transistor, photovoltaic output, non-inverting and combining isolation. This Optoisolator is provided in a compact SO-16 package that is both easy to use and configurable.

The H11D1SVM optoisolator contains a lead-free infrared light-emitting diode (LED) that has its anode (positive terminal) connected to the input pin. Its cathode (negative terminal) is connected to the collector of an NPN-type phototransistor via a light-sensitive silicon junction. A resistor (typically 100 ohms) is connected between the transistor emitter and the optoisolator output pin.

When a low voltage signal is applied to the optoisolator input, the LED will emit an infrared light that is focused onto the junction between the LED and the phototransistor. This light is changed into electrical energy that is then used to forward bias the base-emitter junction of the phototransistor. This action will turn the transistor on and direct the current to the output pin through the resistor and LED.

The H11D1SVM optoisolator provides electrical isolation by driving the output transistors via the infrared light emitted from the LED. In this way, the output transistor is able to be controlled by a signal from the input side, but still maintain electrical isolation from the input to the output. This allows for a high degree of noise immunity due to the lack of any signal conduction paths between the input and the output.

In addition, the optoisolator provides a high degree of safety due to its multi-layer protective coating. This means that both the input and the output will remain isolated from each other, even in the presence of electrical noise. This type of protection is especially useful in applications where there is a need to protect sensitive circuitry from spikes in electrical noise.

The H11D1SVM is a versatile optoisolator that can be used in a wide variety of applications. The non-inverting output configuration allows for easy interface with TTL devices, analog inputs, CMOS logic, and other control systems. The adding configuration and 2-pin interface allow for effortless connection to multiple circuits. This optoisolator provides the highest performance and electrical isolation for a variety of systems due to its high rated current and voltage.

These features make the H11D1SVM optoisolator an ideal choice for applications requiring an electrical isolator with high isolation, high voltage, high current, and low cost. From high accuracy sensors to complex motion control, optoisolators are used in a wide range of industrial and commercial applications.

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