IRF840ASTRR

Product Category: Power MOSFET

Basic Information Overview: - Category: Power semiconductor - Use: Switching and amplification in power electronics applications - Characteristics: High voltage, high current capability, low on-resistance - Package: TO-220AB - Essence: Efficient power control and amplification - Packaging/Quantity: Typically packaged in reels of 1000 units

Specifications: - Voltage Rating: 500V - Continuous Drain Current: 8A - On-Resistance: 0.85Ω - Gate Threshold Voltage: 2-4V - Total Power Dissipation: 125W

Detailed Pin Configuration: The IRF840ASTRR features a standard TO-220AB package with three leads: 1. Gate (G): Input for controlling the MOSFET 2. Drain (D): Output terminal for the load 3. Source (S): Common connection point for the source of the MOSFET

Functional Features: - High input impedance - Low gate drive power required - Fast switching speed - Low conduction losses

Advantages: - High voltage capability - Low on-resistance - Suitable for high power applications - Robust and reliable

Disadvantages: - Gate capacitance can lead to higher switching losses at high frequencies - Susceptible to thermal runaway if not properly heatsinked

Working Principles: The IRF840ASTRR operates based on the principle of field-effect transistors, where the flow of current between the drain and source terminals is controlled by the voltage applied to the gate terminal. When a sufficient voltage is applied to the gate, the MOSFET allows current to flow from the drain to the source.

Detailed Application Field Plans: 1. Switching Power Supplies: Used in high-power switch-mode power supplies for efficient power conversion. 2. Motor Control: Employed in motor drive circuits for controlling the speed and direction of motors. 3. Inverters: Utilized in DC to AC inverters for converting direct current to alternating current in applications such as solar power systems.

Detailed and Complete Alternative Models: 1. IRF830: Lower voltage rating but similar characteristics 2. IRF840A: Improved avalanche energy capability compared to IRF840 3. IRF740: Lower voltage and current ratings suitable for lower power applications

This comprehensive entry provides an in-depth understanding of the IRF840ASTRR Power MOSFET, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, making it a valuable resource for engineers and enthusiasts in the field of power electronics.