4N29SR2M Isolators

Output Type:	Darlington with Base
Base Part Number:	4N29
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	80mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	150mA
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	5µs, 40µs (Max)
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	100% @ 10mA
Voltage - Isolation:	4170Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are a type of electrical component designed to provide electrical isolation between two circuits. They are used in many applications including medical, industrial, automotive, and aerospace equipment. The 4N29SR2M is an optoisolator that uses a transistor, photovoltaic output. In this article, we will discuss the application field and working principles behind the 4N29SR2M to understand how the device can be used in various systems.

Application Field of 4N29SR2M

The 4N29SR2M is a special optoisolator providing electrical isolation between two circuits using a transistor, photovoltaic output. It has several applications in different system designs, such as:

• Telecommunication systems
• Industrial automation systems
• Instrumentation systems
• Medical equipment
• Building automation systems
• Automotive electronic systems
• Aerospace system control

The 4N29SR2M is a reliable device and provides excellent performance due to its low operative voltage and reverse breakdown voltage. Additionally, it provides high level of isolation between input and output circuits, as well as high speed switching.

Working Principle of 4N29SR2M

The 4N29SR2M consists of two main parts: a photodiode and a transistor. When light is directed onto the photodiode, it produces a current which is converted into a voltage using a resistor. This voltage is then fed to the transistor’s base, which then controls the output.When the light reaching the photodiode is interrupted, the current is no longer generated, and thus the transistor is also switched off. The 4N29SR2M is thus effectively controlling the transistor’s switching on and off by using the received light.Optoisolators provide an effective way of isolating two different circuits, as the light used to control the transistor is completely self-contained and not electrically connected to either circuit. This means that the two circuits are actually completely electrically isolated from each other. In addition to providing electrical isolation, optoisolators also provide a useful way of controlling electrical circuits. They can be used to switch circuits on and off in response to certain conditions, such as the presence of light, and can be used to provide control of switches, motors, relays, and other devices.

Conclusion

The 4N29SR2M is an optoisolator that can be used in a variety of applications to provide electrical isolation between two circuits, as well as providing a method of controlling electrical circuits. In this article, we have discussed the application field and working principles behind the 4N29SR2M, and shown how it can be used in different systems.

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