EL815(S)(TU)

Output Type:	Darlington
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	80mA
Voltage - Output (Max):	35V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	60µs, 53µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	7500% @ 1mA
Current Transfer Ratio (Min):	600% @ 1mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Optoisolators, or optocouplers, are electronic components which use a light emitting diode (LED) source and a photodetector to isolate or transmit signals between two different electrical circuits which conduct electricity differently. This prevents electrical noise and interference between the sending and receiving circuits as well as electrical shocks that could be generated by one circuit affecting the other.The EL815(S)(TU) is a type of optoisolator which is classified as a Transistor, Photovoltaic Output component, and is used in applications where an electrical circuit needs to be controlled from a distance. The EL815(S)(TU) has the ability to transfer digital or analog signals with high speed and noise rejection capabilities.

Overview of the EL815(S)(TU)

The EL815(S)(TU) is a three-terminal, optical isolation device with a built-in infrared-emitting diode, and a photo-transistors as the optocoupler output. The EL815(S)(TU) is compatible with a wide variety of logic systems, making it a great choice for applications which require reliable transfer of control signals.

Application Fields

The EL815(S)(TU) is primarily used in industrial and automotive control applications, such as PLC control systems, motor control systems, and digital instrumentation. It can also be used for general purpose switching applications, such as remote control of lighting, HVAC systems, and other electrical devices.

Working Principle

When the EL815(S)(TU) is turned on, the infrared-emitting diode (LED) emits a beam of light which passes onto the photo-transistor. The photo-transistor will then convert the light energy into an electrical current, which will be relayed to the output circuit. The amount of current that is created depends on the amount of light energy that is generated by the LED, and this determines the output of the detection circuit.In operation, the circuit will draw current from the input, which will pass through the LED. As the current flows through the LED, a beam of light will be emitted into the photo-transistor. An electrical signal is generated, depending on the amount of light energy that passes through the photo-transistor. This signal is then relayed to the output circuit.

Conclusion

The EL815(S)(TU) optoisolator is a great choice for applications where digital or analog signals need to be transferred over long distances with high speed and noise rejection capabilities. It is compatible with a variety of logic systems and can be used in a variety of industrial control and automotive applications. This optoisolator is designed to provide reliable signal transfer in a safe, isolated environment.

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