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IRF840S
+BOMMOSFET N-CH 500V 8A D2PAK
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ManufacturerVishay Siliconix
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Mfr. Part #IRF840S
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In Stock8332
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 500 V |
| Current - Continuous Drain (Id) @ 25°C | 8A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Rds On (Max) @ Id, Vgs | 850mOhm @ 4.8A, 10V |
| Vgs(th) (Max) @ Id | 4V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 63 nC @ 10 V |
| Vgs (Max) | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 1300 pF @ 25 V |
| Power Dissipation (Max) | 3.1W (Ta), 125W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | TO-263 (D2PAK) |
| Package / Case | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB |
| Base Product Number | IRF840 |
Overview
Description
The IRF840S is a high-voltage N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) designed for power switching applications. It features a maximum voltage rating of 500V and a continuous drain current of up to 8A, making it suitable for various high-power and high-voltage circuits. The MOSFET has low on-resistance (R_DS(on)), typically around 0.33 ohms, which helps minimize power losses during operation.
The IRF840S is commonly used in applications such as power supplies, motor control, and switching regulators. It can be driven with standard logic levels, making it versatile for different circuit designs. With a fast switching speed, it facilitates efficient operation in switching applications, reducing thermal issues.
Key parameters include a maximum gate-source voltage of ±20V, a maximum junction temperature of 150°C, and a total gate charge of around 55nC. The IRF840S is encapsulated in a TO-220 package, offering effective heat dissipation, which is crucial for its reliable operation in demanding environments.
The IRF840S is commonly used in applications such as power supplies, motor control, and switching regulators. It can be driven with standard logic levels, making it versatile for different circuit designs. With a fast switching speed, it facilitates efficient operation in switching applications, reducing thermal issues.
Key parameters include a maximum gate-source voltage of ±20V, a maximum junction temperature of 150°C, and a total gate charge of around 55nC. The IRF840S is encapsulated in a TO-220 package, offering effective heat dissipation, which is crucial for its reliable operation in demanding environments.
Equivalent
The IRF840S is a power MOSFET known for its high voltage and current ratings. Equivalent products include the IRF840, STP40NF10, and MTP50N06. Other alternatives are the FQD30N30 and the AUIRF840S. Always check the specific voltage, current, and package specifications when selecting an equivalent.
Features
The IRF840S is a high-voltage N-channel MOSFET designed for various power applications. Key features include:
1. Voltage Rating: It can handle a maximum drain-source voltage (VDS) of 500V, enabling its use in high-voltage circuits.
2. Current Rating: The device supports a continuous drain current (ID) of up to 8A, making it suitable for medium to high power applications.
3. Gate Threshold Voltage (VGS(th)): Typically ranges from 2V to 4V, allowing for low-voltage drive capability.
4. RDS(on): Exhibits a low on-resistance (RDS(on)) of approximately 0.8 ohms at 10V VGS, which minimizes power loss during operation.
5. Switching Speed: Offers fast switching performance, enhancing efficiency in applications like power supplies and motor controls.
6. Package: Available in a TO-220 package, facilitating easy heat dissipation.
7. Applications: Commonly used in switch-mode power supplies, DC-DC converters, and inverter circuits.
The IRF840S is known for reliability and robustness in demanding environments.
1. Voltage Rating: It can handle a maximum drain-source voltage (VDS) of 500V, enabling its use in high-voltage circuits.
2. Current Rating: The device supports a continuous drain current (ID) of up to 8A, making it suitable for medium to high power applications.
3. Gate Threshold Voltage (VGS(th)): Typically ranges from 2V to 4V, allowing for low-voltage drive capability.
4. RDS(on): Exhibits a low on-resistance (RDS(on)) of approximately 0.8 ohms at 10V VGS, which minimizes power loss during operation.
5. Switching Speed: Offers fast switching performance, enhancing efficiency in applications like power supplies and motor controls.
6. Package: Available in a TO-220 package, facilitating easy heat dissipation.
7. Applications: Commonly used in switch-mode power supplies, DC-DC converters, and inverter circuits.
The IRF840S is known for reliability and robustness in demanding environments.
Pinout
The IRF840S is an N-channel MOSFET with a total of 3 pins. Here are the functions of each pin:
1. Gate (G): This pin is used to control the MOSFET. A voltage applied to the gate allows current to flow between the drain and source.
2. Drain (D): This is the terminal where the current enters the MOSFET when it is in the "on" state. It is connected to the load.
3. Source (S): This pin is where the current exits the MOSFET. It is typically connected to ground in low-side switching applications.
The IRF840S is designed for high-voltage applications, with a maximum drain-source voltage (V_DS) of 500V and a continuous drain current (I_D) of up to 8A. It is commonly used in power management and switching applications.
1. Gate (G): This pin is used to control the MOSFET. A voltage applied to the gate allows current to flow between the drain and source.
2. Drain (D): This is the terminal where the current enters the MOSFET when it is in the "on" state. It is connected to the load.
3. Source (S): This pin is where the current exits the MOSFET. It is typically connected to ground in low-side switching applications.
The IRF840S is designed for high-voltage applications, with a maximum drain-source voltage (V_DS) of 500V and a continuous drain current (I_D) of up to 8A. It is commonly used in power management and switching applications.
Manufacturer
The IRF840S is manufactured by International Rectifier, a subsidiary of Infineon Technologies. International Rectifier was a prominent semiconductor company known for its expertise in power management and analog devices. The IRF840S is a N-channel MOSFET, primarily used in high-voltage applications due to its ability to handle high currents and voltages efficiently.
Infineon Technologies, based in Germany, is a leading global semiconductor manufacturer that specializes in automotive, industrial, and multi-market sectors. They focus on creating innovative solutions for energy efficiency, mobility, and security. The company has a strong reputation for producing high-quality semiconductor products and is heavily involved in advancing technologies related to power electronics and semiconductor devices.
In summary, the IRF840S is a product of International Rectifier, now part of Infineon Technologies, a company renowned for its contributions to the semiconductor industry.
Infineon Technologies, based in Germany, is a leading global semiconductor manufacturer that specializes in automotive, industrial, and multi-market sectors. They focus on creating innovative solutions for energy efficiency, mobility, and security. The company has a strong reputation for producing high-quality semiconductor products and is heavily involved in advancing technologies related to power electronics and semiconductor devices.
In summary, the IRF840S is a product of International Rectifier, now part of Infineon Technologies, a company renowned for its contributions to the semiconductor industry.
Application
The IRF840S is a N-channel MOSFET commonly used in various applications, including:
1. Power Switching: Efficiently controls power in DC-DC converters and inverters.
2. Motor Control: Drives DC motors in robotics and automation.
3. Switching Regulators: Utilized in power supplies for voltage regulation.
4. Amplification: Acts as a switch in audio amplifiers.
5. Load Switching: Controls high-current loads in industrial applications.
6. LED Drivers: Manages high-power LEDs in lighting applications.
Its high voltage and current ratings make it suitable for demanding environments in automotive, renewable energy, and consumer electronics.
1. Power Switching: Efficiently controls power in DC-DC converters and inverters.
2. Motor Control: Drives DC motors in robotics and automation.
3. Switching Regulators: Utilized in power supplies for voltage regulation.
4. Amplification: Acts as a switch in audio amplifiers.
5. Load Switching: Controls high-current loads in industrial applications.
6. LED Drivers: Manages high-power LEDs in lighting applications.
Its high voltage and current ratings make it suitable for demanding environments in automotive, renewable energy, and consumer electronics.
Package
The IRF840S is typically packaged in a TO-220 format, which is a metal can style package designed for higher power applications, providing good thermal performance and ease of mounting to heatsinks.
