EL815(S1)(TA)-V

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:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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.EL815(S1)(TA)-V Application Field and Working PrincipleOptoisolators - Transistor, Photovoltaic Output (EL815(S1)(TA)-V) are semiconductor devices with mounted light-emitting diode (LED) and phototransistor output. This component functions by isolating the input and output circuits, thereby providing electrical isolation. The EL815(S1)(TA)-V optoisolator offers a 3V maximum DC-forward current and 100mA maximum transistor output. It is available in a 4-pin PLCC package and has a flat response frequency range of 10MHz to 50MHz with tight control of maximum collector-emitter saturation voltage. This optoisolator has a variety of uses, including signal isolation, high-speed digital circuits, zero-crossing detections, and over-current protection. They are commonly used in applications such as temperature and pressure control, solid-state relay circuits, automotive electronics, medical equipment, and instrumentation. EL815(S1)(TA)-V optoisolators provide a reliable, efficient way to transfer signals between two circuits while maintaining electrically isolated systems. To understand how the component works, it is important to understand the working principle of the device. This optoisolator works by converting electrical energy into light energy and then converting the light energy back into electrical energy.When voltage is applied to the LED input, light energy is emitted from the LED. The light energy is then absorbed by the phototransistor, which is connected to the output of the optoisolator. The phototransistor then converts the light energy into electrical energy which can be used by the output circuit. This output electrical energy follows the same polarity and voltage as the input electrical energy, thus providing electrical isolation between the input circuit and output circuit. This optoisolator also features a built-in resistor that limits the current to the LED. This feature increases the device’s accuracy and ensures that the LED will not be damaged if too much current is applied to it. The resistor also improves the response speed of the optoisolator by controlling the amount of time the LED takes to reach its maximum light emission.EL815(S1)(TA)-V optoisolators are a reliable and efficient way to transfer signals between two circuits while maintaining proper electrical isolation. This component is ideal for applications such as temperature and pressure control, solid state relay circuits, automotive electronics, medical equipment, and instrumentation. The built-in resistor in the device increases its accuracy and ensures the longevity of the component. It also provides a fast response time, making it more suitable for high speed digital applications.

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