STB21N90K5 - STMicroelectronics

Manufacturer Part Number

STB21N90K5

Manufacturer

STMicroelectronics

Introduction

High-voltage N-channel MOSFET transistor

Designed for power conversion and motor control applications

Product Features and Performance

Very low on-state resistance (RDS(on))

High drain-to-source voltage rating (900V)

Fast switching performance

Robust and reliable design

Optimized for high efficiency, high power density power conversion

Product Advantages

Excellent power conversion efficiency

Reduced system size and weight

Improved system reliability

Key Technical Parameters

Drain-to-Source Voltage (VDS): 900V

Gate-to-Source Voltage (VGS): ±30V

On-State Resistance (RDS(on)): 299mΩ @ 9A, 10V

Continuous Drain Current (ID): 18.5A @ 25°C (Tc)

Input Capacitance (Ciss): 1645pF @ 100V

Power Dissipation (Pd): 250W @ 25°C (Tc)

Quality and Safety Features

Compliant with RoHS Directive 2011/65/EU (RoHS3)

Qualified to industry quality standards

Compatibility

Suitable for a wide range of power conversion and motor control applications

Application Areas

Switched-mode power supplies (SMPS)

Motor drives

Welding equipment

Industrial automation and control systems

Product Lifecycle

Currently in active production

No plans for discontinuation, replacements or upgrades identified

Key Reasons to Choose This Product

Excellent power efficiency and power density

Robust and reliable design for long-term operation

Highly suitable for high-voltage power conversion applications

Compliance with key industry quality and safety standards