Output Type:	Transistor with Base
Base Part Number:	4N26
Supplier Device Package:	6-DIP
Package / Case:	6-DIP (0.400", 10.16mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°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):	20% @ 10mA
Voltage - Isolation:	7500Vpk
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators, often referred to as Optocouplers, are an essential part of many electronic circuits. They provide isolation between two circuits, allowing one circuit to be completely insulated from the other. As such, optoisolators can be used in a variety of applications to ensure that signals are not distorted, noise is reduced, and are not picked up by other electronic components.One type of optoisolator is the 4N26TM, which is typically used in industrial applications. It is a transistor and photovoltaic output optoisolator manufactured by STMicroelectronics, and designed to allow a current to pass between two circuits without disrupting the flow of power or introducing any noise.The 4N26TM optoisolator is made up of two components – the external photodiode and the internal optocoupler. The external photodiode is the component that receives the voltage and converts it into a current that is sent to the optocoupler. The optocoupler is then responsible for transferring the current across the two circuits.In order to work properly, the 4N26TM requires a minimum voltage of 3 volts and a maximum voltage of 10 volts. The optoisolator consists of a Schottky diode, a reflection-mode MOSFET, an NPN transistor and the external photodiode. The MOSFET and the NPN transistor both provide the isolation between the two different circuits.The 4N26TM is designed to be used in a variety of different application fields. Its primary use is in industrial and automotive applications, where it is used to protect sensitive control systems from external interference. For example, the optoisolator is used in car electronics, engine control systems, heating systems and braking systems.In addition to these applications, the 4N26TM can also be used in security systems, medical equipment, controlled lighting, remote controls, and communication devices. Its isolation circuit also allows it to be used in high-voltage applications, making it a useful tool for any electrical engineer.The 4N26TM’s operation relies on a photovoltaic effect, which is when light is converted into electrical energy. The external photodiode is exposed to a light source, which is then converted into a current. This current is then fed into the optocoupler, which is then responsible for transmitting it across the two circuits.The 4N26TM optoisolator is an essential component of any electrical system. It provides the necessary insulation between two circuits, allowing signals to be kept clear and free from any external interference. As such, it is an important component to have in any electrical engineering application.

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Part Number	Manufacturer	Price	Quantity	Description