4N38M Allicdata Electronics

4N38M Isolators

Allicdata Part #:

4N38M-ND

Manufacturer Part#:

4N38M

Price: $ 0.00
Product Category:

Isolators

Manufacturer: ON Semiconductor
Short Description: OPTOISO 4.17KV TRANS W/BASE 6DIP
More Detail: Optoisolator Transistor with Base Output 4170Vrms ...
DataSheet: 4N38M datasheet4N38M Datasheet/PDF
Quantity: 377
Stock 377Can Ship Immediately
Specifications
Output Type: Transistor with Base
Base Part Number: 4N38
Supplier Device Package: 6-DIP
Package / Case: 6-DIP (0.300", 7.62mm)
Mounting Type: Through Hole
Operating Temperature: -40°C ~ 100°C
Vce Saturation (Max): 1V
Current - DC Forward (If) (Max): 80mA
Voltage - Forward (Vf) (Typ): 1.15V
Current - Output / Channel: 100mA
Voltage - Output (Max): 80V
Series: --
Input Type: DC
Rise / Fall Time (Typ): --
Turn On / Turn Off Time (Typ): 5µs, 5µs
Current Transfer Ratio (Max): --
Current Transfer Ratio (Min): 20% @ 10mA
Voltage - Isolation: 4170Vrms
Number of Channels: 1
Part Status: Active
Packaging: Tube 
Description

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Optoisolators are devices designed to provide electrical isolation between two circuits. They can protect equipment against excessive electrical loads, electrical over-heat, or electromagnetic interference. The 4N38M optoisolator is a type of optoisolator with a transistor, photovoltaic output. It is a popular choice for isolating sensors and other input devices from the rest of the circuit.

Application Field

The 4N38M optoisolator is used in a variety of applications, including sensing a voltage or current level, transferring a signal with a low output impedance, and protecting sensitive input or output circuits against overvoltage. It is often used to isolate a low-level signal from the rest of a system for safety reasons, as it allows for electrical isolation between two circuits without the use of additional components. Additionally, it is used to provide protection from transient voltages or surges, and it is often used in control systems where the output of the circuit must be kept electrically isolated from its input to prevent unintended interacting with other systems.

Working Principle

The 4N38M optoisolator consists of a transistor, photovoltaic output. When an electrical current passes through the optoisolator’s input, it stimulates the base of the transistor. This closes the transistor’s collector-emitter gap, thus allowing current to pass through the transistor’s output. The optoisolator isolates the two circuits by blocking the DC component of the current, preventing it from passing through. The output signal is typically much lower than the input signal, as only a small portion of the initial current passes through.

The 4N38M optoisolator is designed to provide a high level of electrical isolation between two circuits, with a dielectric strength of 1,500 Volts-rms. It is also designed to provide a low level of internal capacitance, and an effective resistance of 250 ohms. Additionally, the optoisolator’s photovoltaic output has a long life, with a minimum guaranteed life of 100,000 hours.

Conclusion

The 4N38M optoisolator is a popular choice for isolating sensors and other input devices from the rest of the circuit. It provides a high level of electrical isolation between two circuits, with a dielectric strength of 1,500 Volts-rms, and a low level of internal capacitance. Additionally, its photovoltaic output has a long life, with a minimum guaranteed life of 100,000 hours. As such, it is often used to provide protection from transient voltages or surges, and it is often used in control systems where the output of the circuit must be kept electrically isolated from its input.

The specific data is subject to PDF, and the above content is for reference

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