H11L3S

Data Rate:	1MHz
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	--
Voltage - Supply:	--
Current - DC Forward (If) (Max):	5mA
Voltage - Forward (Vf) (Typ):	--
Rise / Fall Time (Typ):	--
Propagation Delay tpLH / tpHL (Max):	--
Series:	--
Current - Output / Channel:	50mA
Output Type:	Open Collector
Input Type:	DC
Common Mode Transient Immunity (Min):	--
Voltage - Isolation:	5300Vrms
Inputs - Side 1/Side 2:	1/0
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Optoisolators - Logic Output H11L3S Application Field and Working Principle

Optoisolators, also known as optocouplers, are a special type of insulation device designed to safely transfer electrical signals from one part of a circuit to another. The H11L3S optoisolator is a logic output type and is specifically designed to be used with 3–32V logic devices. It is suitable for applications such as touch switch controllers, communications systems, and robotics. This article will explore the application field and working principle of the H11L3S optoisolator.The H11L3S optoisolator is a through-hole component that utilizes an infrared LED and a matched light-sensing Phototransistor designed to match the LED’s emission characteristics. It is housed in a 4–pin plastic MINI–FLAT (MFL) package that has long been a standard package for optoisolators. The H11L3S has a few advantages over traditional optoisolators, including a lower operating current, higher speed operation, higher isolation voltage, and better common–mode transient immunity.The H11L3S is designed for use with 3–32V logic devices. It is used to isolate digital input signals from external sources, such as microprocessors, and drive them into the application circuit. It is a wide–input voltage range part, designed to safely transfer digital signals between two separate circuits in applications where a high level of electrical isolation is required. The H11L3S is available in seven electrically different versions to meet the varying needs of different applications.The working principle of the H11L3S optoisolator is based on the interactions of both the LED and Phototransistor components. Both components are optically coupled, meaning that no electrical connection is made between them. The LED is powered on and converts the electrical signal from the input circuit into light. This light is then detected by the Phototransistor, which in turn converts it back into an electrical output signal, and sends it to the application circuit. The electrical isolation provided by this process ensures safety in operation.In conclusion, the H11L3S optoisolator is a widely used logic output type device that is suitable for applications such as touch switch controllers, communications systems, and robotics. It has the unique ability to transmit digital signals between two separate circuits with a high degree of electrical isolation. As with all optoisolators, it works by converting electrical signals to light and back again and is available in seven electrically different versions for the varying needs of different applications.

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