PS2561DL-1Y-V-W-A

Output Type:	Transistor
Voltage - Output (Max):	80V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	40mA
Vce Saturation (Max):	300mV
Operating Temperature:	-55°C ~ 110°C
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Gull Wing
Supplier Device Package:	4-SMD
Series:	NEPOC
Packaging:	Tube
Part Status:	Active
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	130% @ 5mA
Current Transfer Ratio (Max):	260% @ 5mA
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	3µs, 5µs
Input Type:	DC

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README

Introduction to Optoisolators - Transistor, Photovoltaic Output

Optoisolators, often known as optical coupling or optocouplers, are electronic devices used to electrically isolate two circuits. They provide electrical insulation between two circuits, thresholds and transients, as well as protect sensitive electronic equipment from voltage spikes. Optocouplers are particularly useful in preventing simultaneous electromagnetic interferences (EMI) across different circuits, which can cause damage or malfunctions in electronic equipment.The PS2561DL-1Y-V-W-A is a single-channel transistor and photovoltaic output optoisolator that offers a high-isolation voltage of 2.5 kW and an operating temperature range of –40 °C to +125 °C. This optoisolator is suitable for a variety of industrial applications, including I/O interfaces, industrial control systems, and telecommunication systems.

Application Field and Working Principle of PS2561DL-1Y-V-W-A

The PS2561DL-1Y-V-W-A is an optoisolator mainly used in industrial applications. It is an electrically-isolated, single-channel, transistor and photovoltaic output optocoupler. It can be used in isolation and safety relay applications, such as analog monitoring and control. It also provides EMI protection, as well as protection against voltage spikes.The working principle of the optoisolator is based on the photovoltaic effect, which is the phenomenon when electric charges are produced when light is shone onto a surface. The optoisolator contains two electrical circuits/circuits in one package: an input side with a light source, and an output side with a photodiode. When a voltage is applied to the light source, it produces a light that is directed towards the photodiode. The photodiode absorbs the light and generates an electric current, which is then directed to the output side. This current flow is then isolated from the electrical circuit in the input side, providing the desired electrical insulation.

Conclusion

In conclusion, optoisolators, such as PS2561DL-1Y-V-W-A, are used to electrically isolate two circuits, protect against voltage spikes and electromagnetic interference, and provide EMI protection. The working principle of the optoisolator is based on the photovoltaic effect. This optoisolator is suitable for a variety of industrial applications, such as I/O interfaces, industrial control systems, and telecommunication systems.

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