H11G23S

Output Type:	Darlington with Base
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.3V
Current - Output / Channel:	--
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	5µs, 100µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	1000% @ 10mA
Voltage - Isolation:	5300Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Introduction to H11G23S Optoisolators - Transistor, Photovoltaic Output

An optoisolator, also known as an optocoupler, is a device that combines electrical isolation with optical coupling. It is used to prevent electrical signals from crossing between two or more circuits, by utilizing a light-emitting diode (LED) and a photodiode as the interface between them. In the H11G23S, a phototransistor LED is used for the output. This article will discuss the application field and working principle of the H11G23S optoisolator.

Application Field of H11G23S Optoisolator

The H11G23S is suitable for a variety of applications which require electrical isolation and information transfer between two different circuits. Common uses for this type of optoisolator include: * Arduino and other microcontroller-based applications, which require a low-voltage protection from external circuits.* Automotive electronics, as an additional safety feature on components including airbags, ignition systems, and powertrain controls. * Industrial automation, where multiple circuits need to be connected and in communication for automation processes.* Data communications, such as isolated RS-232 connections, where signals need to be sent between components without electrical interference.* Medical device applications, such as heart monitors and other medical machines needing to transfer signals without being affected by other electrical activities. * Analog-to-digital converters that require electrical isolation for accurate measurements.

Working Principle of H11G23S Optoisolator

The H11G23S optoisolator works by combining an LED device and phototransistor in a single package, with the LED emitting an infrared light signal. The phototransistor serves as a signal-detector, using an energy transfer process to detect the light from the LED and convert it into an electrical signal. This electrical signal is then transmitted to the output, providing an isolated electrical connection between the input and output circuits.The optoisolator uses a process of light transmission, known as photoconductive coupling. When an input voltage, usually of 5V or 3.3V, is applied to the LED, it sends an infrared light signal to the phototransistor. This signal is then converted to an electrical signal by the phototransistor, and the output circuit is then activated. This process of photoconduction ensures a high level of electrical isolation between the circuits, while providing an accurate and reliable signal transmission.

Conclusion

The H11G23S optoisolator is a device that combines electrical isolation with optical coupling, providing an accurate and reliable way to transfer signals between two or more circuits. It is suitable for a variety of applications which require electrical isolation and information transfer, including automative electronics, medical device applications, and data communications. The optoisolator also works on the principle of photoconductive coupling, in which an LED emits an infrared light signal that is detected by a phototransistor and converted into an electrical signal. This process ensures a high level of electrical isolation between the circuits, while providing an accurate and reliable signal transmission.

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