STD9N80K5

Product Overview

• Category: Power MOSFET
• Use: Switching and amplification in power electronics applications
• Characteristics: High voltage, low on-resistance, fast switching speed
• Package: TO-252-3 (DPAK)
• Essence: Efficient power management
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Voltage Rating: 800V
• Current Rating: 9A
• On-Resistance: 1.2Ω
• Gate Charge: 18nC
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

1. Gate (G)
2. Drain (D)
3. Source (S)

Functional Features

• Low on-resistance for minimal power dissipation
• Fast switching speed for improved efficiency
• High voltage rating for robust performance
• Enhanced thermal performance for reliability

Advantages

• Suitable for high voltage applications
• Low conduction losses
• Compact DPAK package for easy mounting
• Wide operating temperature range

Disadvantages

• Higher gate charge compared to some alternatives
• Limited current handling capacity compared to higher-rated devices

Working Principles

The STD9N80K5 operates based on the principles of field-effect transistors, utilizing its gate, drain, and source terminals to control the flow of current in power electronic circuits.

Detailed Application Field Plans

1. Switched-Mode Power Supplies: Utilized as a switching element in high-voltage power supplies.
2. Motor Control: Employed in motor drive circuits for efficient power switching.
3. Lighting Systems: Integrated into LED driver circuits for controlling illumination levels.

Detailed and Complete Alternative Models

1. STP9NK80ZFP: Similar specifications with enhanced thermal performance
2. IRF840: Comparable voltage and current ratings with different packaging
3. IXFH9N80: Higher current handling capacity with similar on-resistance

In conclusion, the STD9N80K5 Power MOSFET offers high voltage capability, low on-resistance, and fast switching speed, making it suitable for various power electronics applications such as switched-mode power supplies, motor control, and lighting systems. While it has advantages in terms of efficiency and compact packaging, it also has limitations in gate charge and current handling capacity. Engineers can consider alternative models like STP9NK80ZFP, IRF840, and IXFH9N80 based on specific application requirements.