STP17N80K5

Introduction

The STP17N80K5 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 STP17N80K5 is used as a switching device in power supply circuits, motor control, and other high-power 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 STP17N80K5 is typically 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 systems.
• Packaging/Quantity: It is commonly packaged in reels or tubes containing multiple units.

Specifications

• Voltage Rating: 800V
• Current Rating: 17A
• On-State Resistance: 0.25 ohms
• Gate-Source Voltage (Max): ±20V
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STP17N80K5 typically has three pins: 1. Gate (G): Input pin for controlling the switching operation. 2. Drain (D): Output pin connected to the load or power supply. 3. Source (S): Common pin for the input and output circuits.

Functional Features

• Low On-State Resistance: Enables minimal power dissipation during conduction.
• High Switching Speed: Facilitates rapid switching transitions, reducing switching losses.
• Low Gate Charge: Allows for efficient and precise control of the MOSFET.

Advantages and Disadvantages

Advantages

• High efficiency in power conversion applications.
• Low power dissipation due to low on-state resistance.
• Fast switching speed leading to reduced switching losses.

Disadvantages

• Susceptible to damage from voltage and current spikes if not properly protected.
• Sensitive to electrostatic discharge (ESD) and overvoltage conditions.

Working Principles

The STP17N80K5 operates based on the principle of field-effect transistors, where the application of a voltage at the gate terminal controls the flow of current between the drain and source terminals. When the gate-source voltage exceeds a certain threshold, the MOSFET enters the conducting state, allowing current to flow through it.

Detailed Application Field Plans

The STP17N80K5 finds extensive use in the following applications: - Switched-mode power supplies - Motor control systems - Inverters and converters for renewable energy systems - Electronic ballasts for lighting - Audio amplifiers and high-power audio systems

Detailed and Complete Alternative Models

Some alternative models to the STP17N80K5 include: - IRFP460: Similar voltage and current ratings with a different package style. - FDPF18N50T: Lower voltage rating but comparable current handling capability. - IXFN38N100Q2: Higher voltage rating and current capacity with a different package type.

In conclusion, the STP17N80K5 power MOSFET serves as a crucial component in various electronic systems, offering efficient power switching capabilities and high performance. Its specifications, functional features, and application versatility make it a preferred choice for designers and engineers in the field of power electronics.

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