IRFR9020PBF

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

IRFR9020PBF is a robust power MOSFET. This device, which belongs to the Vin 20V to 330V P-channel MOSFET family, is applicable for power management in a wide range of applications, including home appliances, automotive electronics, communication, commercials and industrial systems. In this article, we will discuss the application field and working principle of IRFR9020PBF.

Application Field

IRFR9020PBF is specifically suitable for switching devices in automotive electronics. It can operate as a switch in an electric bridge, enabling devices to be controlled remotely with certain signal inputs. For example, IRFR9020PBF can be used as an electronic control brake, intelligent headlamp and various motor controls which require high efficiency, low EMI and fast response as well as low cost. It is also suitable for getting rid of interference caused by environment. IRFR9020PBF can be installed in power or data lines for impedance matching, which stabilizes signal transmission and eliminates undesirable noise.

Moreover, IRFR9020PBF is featured with low Rds(on) capability, indicating that it is suitable for DC/DC converter applications. It can be used as the leading MOSFET in a buck converter, eliminating the need of providing additional current and voltage protections. The output frequency can be increased by introducing synchronous rectification, yet the power efficiency and size of the converter remain unchanged. IRFR9020PBF also features higher dv/dt capability and low Ciss, making it an ideal choice for high density power switching or battery protection.

Working Principle

IRFR9020PBF is a Power MOSFET. It belongs to the family of Junction Field-Effect Transistors (JFET). This type of transistor is a three-terminal device, usually consisting of two gate terminals and two drain terminals. It functions as a voltage-controlled switch, allowing a large current to flow from the drain terminal to the source terminal when the gate is activated. A JFET is capable of operating at very high voltage, making it suitable for power applications including motor control, high voltage output regulation, and power supply topologies.

When the gate of IRFR9020PBF is left open, the voltage at the gate terminal is equal to the voltage at the source terminal. When the gate of the MOSFET is grounded, the voltage difference between the source and the gate terminal increases, causing the channel resistance of the transistor to decrease, resulting in an increase in the current flowing through the transistor. This change in the resistance of the channel is referred to as the "gating effect", and its strength is determined by the voltage applied to the gate terminal.

The IRFR9020PBF’s operating temperature range from -55°C to +150°C, which makes it suitable for applications in harsh environment. Additionally, the package consists of two metal plates, which help reduce Inductance, parasitic capacitance and ringing. This reduces the amount of heat generated and increases the efficiency of the device.

Conclusion

In conclusion, IRFR9020PBF is a robust power MOSFET suitable for automotive electronics, power management and DC/DC converter applications. It is featured with high efficiency, low EMI, fast response and low temperature operating range. With these characteristics, IRFR9020PBF is the ideal device for applications in harsh environment.

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