IRF840S
Product Overview
Category
The IRF840S belongs to the category of power MOSFETs.
Use
It is commonly used as a switching device in electronic circuits, particularly in power supply and motor control applications.
Characteristics
- High voltage capability
- Low on-resistance
- Fast switching speed
- Low gate drive power
Package
The IRF840S is typically available in a TO-220 package.
Essence
The essence of the IRF840S lies in its ability to efficiently switch high currents with minimal power loss.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Drain-Source Voltage (VDS): 500V
- Continuous Drain Current (ID): 8.0A
- On-Resistance (RDS(on)): 1.2Ω
- Gate-Source Voltage (VGS): ±20V
- Total Power Dissipation (PD): 125W
Detailed Pin Configuration
The IRF840S typically has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)
Functional Features
- High voltage capability allows for use in various power applications.
- Low on-resistance minimizes power loss and heat generation.
- Fast switching speed enables efficient control of current flow.
Advantages
- Suitable for high voltage applications
- Low power dissipation
- Fast switching speed
Disadvantages
- May require careful handling due to high voltage capability
- Sensitivity to static electricity
Working Principles
The IRF840S operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the current flow between the drain and source terminals.
Detailed Application Field Plans
The IRF840S finds extensive use in the following applications: - Switching power supplies - Motor control circuits - Inverters - Audio amplifiers - LED lighting systems
Detailed and Complete Alternative Models
Some alternative models to the IRF840S include: - IRF830 - IRF840 - IRF740 - IRF740S
In conclusion, the IRF840S is a versatile power MOSFET with high voltage capability, low on-resistance, and fast switching speed, making it suitable for a wide range of power and control applications.
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기술 솔루션에 IRF840S 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is the maximum drain-source voltage of IRF840S?
- The maximum drain-source voltage of IRF840S is 500V.
What is the continuous drain current rating of IRF840S?
- The continuous drain current rating of IRF840S is 8.0A.
What is the on-state resistance (RDS(on)) of IRF840S?
- The on-state resistance (RDS(on)) of IRF840S is typically 0.85 ohms.
Can IRF840S be used for switching applications?
- Yes, IRF840S is suitable for switching applications due to its low on-state resistance and high drain-source voltage rating.
What are the typical applications of IRF840S?
- IRF840S is commonly used in power supplies, motor control, and other high-power switching applications.
What is the maximum junction temperature of IRF840S?
- The maximum junction temperature of IRF840S is 150°C.
Is IRF840S suitable for use in automotive applications?
- Yes, IRF840S is often used in automotive systems such as electronic ignition and motor control.
Does IRF840S require a heat sink for high-power applications?
- Yes, for high-power applications, it is recommended to use a heat sink to dissipate heat effectively.
What is the gate-source voltage (VGS) required to fully enhance IRF840S?
- The gate-source voltage (VGS) required to fully enhance IRF840S is typically 10V.
Can IRF840S be used in parallel to increase current handling capability?
- Yes, IRF840S can be used in parallel to increase current handling capability in high-power applications.