Overview
The IRF840PBF is a high-performance N-Channel power MOSFET manufactured by Vishay Siliconix. This third-generation MOSFET is designed to provide a superior combination of fast switching, rugged device design, and low on-resistance. It is packaged in the TO-220AB configuration, making it suitable for a wide range of power management and switching applications.
Key Specifications
| Parameter | Symbol | Limit | Unit |
|---|---|---|---|
| Drain-source voltage | VDS | 500 | V |
| Gate-source voltage | VGS | ±20 | V |
| Continuous drain current at VGS = 10 V, TC = 25 °C | ID | 8.0 | A |
| Pulsed drain current | IDM | 32 | A |
| On-resistance at VGS = 10 V | RDS(on) | 0.85 | Ω |
| Total gate charge | Qg | 63 | nC |
| Gate-source charge | Qgs | 9.3 | nC |
| Gate-drain charge | Qgd | 32 | nC |
| Package | TO-220AB |
Key Features
- Fast switching capabilities
- Ruggedized device design for reliability
- Low on-resistance (RDS(on) = 0.85 Ω at VGS = 10 V)
- High drain-source voltage (VDS = 500 V)
- High continuous drain current (ID = 8.0 A at VGS = 10 V, TC = 25 °C)
- Lead (Pb)-free and halogen-free options available
Applications
The IRF840PBF is versatile and can be used in various applications, including:
- Power supplies and DC-DC converters
- Motor control and drive systems
- Audio amplifiers and high-power audio systems
- Switching and power management in industrial and automotive systems
- High-frequency switching applications
Q & A
- What is the maximum drain-source voltage of the IRF840PBF?
The maximum drain-source voltage (VDS) is 500 V. - What is the continuous drain current rating at 25 °C?
The continuous drain current (ID) at VGS = 10 V and TC = 25 °C is 8.0 A. - What is the on-resistance of the IRF840PBF at VGS = 10 V?
The on-resistance (RDS(on)) at VGS = 10 V is 0.85 Ω. - What is the maximum gate-source voltage?
The maximum gate-source voltage (VGS) is ±20 V. - What package type is the IRF840PBF available in?
The IRF840PBF is available in the TO-220AB package. - Is the IRF840PBF lead-free and halogen-free?
Yes, lead-free and halogen-free options are available. - What are some common applications for the IRF840PBF?
Common applications include power supplies, motor control, audio amplifiers, and high-frequency switching applications. - What is the total gate charge of the IRF840PBF?
The total gate charge (Qg) is 63 nC. - What is the pulsed drain current rating?
The pulsed drain current (IDM) is 32 A. - At what temperature is the continuous drain current reduced to 5.1 A?
The continuous drain current is reduced to 5.1 A at a junction temperature (TC) of 100 °C.
