4N28FR2VM

Output Type:	Transistor with Base
Base Part Number:	4N28
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	500mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.18V
Current - Output / Channel:	--
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	2µs, 2µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	10% @ 10mA
Voltage - Isolation:	7500Vpk
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

The 4N28FR2VM Phototransistor Photovoltaic Output Optoisolator is a high-performance device that helps enable isolation between the basis of an associated data and voltage transfer by eliminating the need for multiple electrical connections in a system. This optoisolator makes it possible to replace expensive discrete components and create solutions in a variety of applications where electrical signals must be isolated to meet safety and/or environmental regulations.

Overview

The 4N28FR2VM is an optoisolator that combines a phototransistor, photocoupler, and a photovoltaic output transistor. By using the internal photo-transistor, the 4N28FR2VM optoisolator is able to pick up light energy from the photo-transistor, which is converted to electrical signals that are in turn used to drive the optically isolated photovoltaic transistor. This transistor is then capable of switching voltages across the output circuit, ensuring the signals remain isolated. The 4N28FR2VM offers superior performance compared to existing optoisolator technologies, providing high speed, signal isolation with excellent noise suppression, low power consumption, and high dielectric strength isolation.

Application Field and Working Principle

The 4N28FR2VM Optoisolator Transistor Photovoltaic Output can be used in a variety of applications that require electrical isolation between two circuits. Common applications include communication systems, microprocessor or microcontroller systems, industrial systems and control systems.The 4N28FR2VM optoisolator works by first supplying power to the associated photo-transistor. Once powered, the photo-transistor performs its job by converting the light energy it detects to electrical signals. These signals are then passed through the optically isolated photovoltaic transistor to the output circuit. The output circuit is isolated from the input circuit and vice-versa, ensuring that the electrical signal is properly converted into the desired output and that it remains isolated. The 4N28FR2VM also offers several additional features, such as better off-state leakage current, low input bias current, wide operating temperature range, and low cost. These features offer users superior control, more flexibility, and more reliable performance in their applications.

Conclusion

The 4N28FR2VM Optoisolator Transistor Photovoltaic Output is an industrial-grade optoisolator that offers excellent performance and signal isolation for applications that require electrical isolation between two circuits. Its features, such as better off-state leakage current, low input bias current, wide operating temperature range, and low cost, make it an ideal solution for a variety of industrial and consumer applications.

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