4N32M-V

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators are important components employed to separate two circuits electrically while providing a consistent connection of control signals between them. The 4N32M-V is one such optoisolator that is applied in many fields, such as communication, localization, and medical treatments. This article explores the application field and working principle of this component.

Application Field

The 4N32M-V is a phototransistor output optoisolator with a guaranteed CTR of 4500% minimum at I/F=20mA and VCE= 5V. It has an operating current of 8mA and VCE of 4.5V. This component has a typical forward voltage of 1.2V, and the reverse voltage is 4V. The speed is 10 Mbits/sec and the Isolation voltage is 5000Vrms. Its compact size is a definite advantage, as it requires less space for installation. The wide operating temperature range of -40°C to 85°C enables it to be used in various environmental conditions.

The 4N32M-V is used in many industrial, automotive, and medical applications. The contactless relay control and the detection of buried objects can be achieved with this component. In the automotive sector, it is used to monitor the rotary encoder input. This component is also used in medical treatments, such as transporting diagnostic images from a CAT scanner to a personal computer.

Working Principle

The optoisolator works on a principle of two circuits being electrically isolated yet connected through a light source. This component combines an LED and a phototransistor in a single device, which makes it an attractive option for output isolation and control. When a voltage is applied to the LED, it emits light that is absorbed by the phototransistor, initiating electrical conduction between the two circuits.

In the case of the 4N32M-V, when the LED receives power, the light causes the phototransistor to conduct, allowing current to flow from the LED side to the phototransistor side. This current transfers the voltage from the source to the output independently. As the two circuits are physically separate, they do not interact electrically or ionically, ensuring a reliable transmission of signals within the circuit.

This optoisolator has a very fast response time of 10 microseconds, making it suitable for high-speed applications. The tremendous isolation of up to 5000Vrms makes it suitable for use in circuits with hazardous voltages. The LED circuit is used to source the control signal, while the phototransistor side serves as the output for the system. This component is designed to be more reliable, making it an attractive choice for applications where signal integrity is important.

Conclusion

The 4N32M-V optoisolator is used in many applications where reliable control signals are required, such as automotive, automation, and medical applications. This component combines an LED and a phototransistor, making it an ideal option for output isolation and control. It has high isolation of up to 5000Vrms with a fast response time of 10 microseconds, making it suitable for high-speed applications. This optoisolator can be used in various environmental conditions due to its wide operating temperature range, making it an attractive choice for many applications.

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