STP20N90K5

Introduction

The STP20N90K5 is a power MOSFET belonging to the category of semiconductor devices. It is widely used in various electronic applications due to its unique characteristics and performance.

Basic Information Overview

• Category: Power MOSFET
• Use: The STP20N90K5 is utilized as a switching device in power supply, motor control, and lighting applications.
• Characteristics: This MOSFET offers low on-state resistance, high switching speed, and low gate charge, making it suitable for high-efficiency power conversion.
• Package: The STP20N90K5 is available in a TO-220 package, which provides good thermal performance and ease of mounting.
• Essence: Its essence lies in providing efficient power switching capabilities in various electronic circuits.
• Packaging/Quantity: The STP20N90K5 is typically packaged in reels or tubes, with varying quantities based on the manufacturer's specifications.

Specifications

• Voltage Rating: 900V
• Current Rating: 20A
• On-State Resistance: 0.23Ω
• Gate-Source Voltage (Max): ±30V
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STP20N90K5 features a standard TO-220 pin configuration with three pins: 1. Gate (G): Input pin for controlling the switching operation. 2. Drain (D): Output pin connected to the load. 3. Source (S): Common pin for the input and output circuits.

Functional Features

• High Efficiency: The MOSFET's low on-state resistance contributes to minimal power dissipation, enhancing overall efficiency.
• Fast Switching Speed: Rapid turn-on and turn-off times enable high-frequency operation in various applications.
• Low Gate Charge: This feature facilitates reduced drive requirements and improved system reliability.

Advantages and Disadvantages

Advantages

• High efficiency and power density
• Fast switching capability
• Low conduction losses

Disadvantages

• Sensitivity to voltage spikes
• Potential for thermal runaway under certain conditions

Working Principles

The STP20N90K5 operates based on the principle of field-effect control, where the gate-source voltage modulates the conductivity between the drain and source terminals. By adjusting the gate voltage, the MOSFET can efficiently regulate the flow of current through the circuit.

Detailed Application Field Plans

The STP20N90K5 finds extensive use in the following application fields: - Power Supplies: Utilized in switch-mode power supplies for efficient voltage regulation. - Motor Control: Employed in motor drive circuits for precise speed and torque control. - Lighting Systems: Integrated into LED driver circuits to achieve high-efficiency illumination.

Detailed and Complete Alternative Models

• IRF840: A comparable power MOSFET with similar voltage and current ratings.
• IXFH20N90Q: Offers equivalent performance characteristics suitable for diverse applications.
• BUZ11: An alternative MOSFET featuring compatible specifications for various electronic designs.

In conclusion, the STP20N90K5 power MOSFET serves as a crucial component in modern electronic systems, enabling efficient power management and control across a wide range of applications.

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