STB45N40DM2AG Overview
The STB45N40DM2AG is a high-performance N-channel power MOSFET designed for industrial and automotive applications requiring robust switching capabilities and low conduction losses. With a drain-source voltage rating of 400 V and a continuous drain current of 45 A, this device provides efficient power management in demanding environments. Its advanced planar technology ensures reliable operation and enhanced thermal performance. The MOSFET??s low gate charge and fast switching speed make it ideal for high-frequency power conversion systems, offering engineers a dependable component for optimizing system efficiency and durability. For comprehensive technical support, visit IC Manufacturer.
STB45N40DM2AG Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Drain-Source Voltage (Vds) | 400 | V |
| Continuous Drain Current (Id) @ 25??C | 45 | A |
| Gate Threshold Voltage (Vgs(th)) | 2.0 ?C 4.0 | V |
| Rds(on) (Max) @ Vgs = 10 V | 0.045 | ?? |
| Total Gate Charge (Qg) | 55 | nC |
| Gate-Source Charge (Qgs) | 10 | nC |
| Gate-Drain Charge (Qgd) | 15 | nC |
| Power Dissipation (Pd) | 150 | W |
| Operating Junction Temperature (Tj) | -55 to +175 | ??C |
STB45N40DM2AG Key Features
- High Voltage Capability: Rated for 400 V drain-source voltage, enabling use in high-voltage power conversion systems with excellent reliability.
- Low On-Resistance (Rds(on)): Minimizes conduction losses and improves efficiency in power switching applications, reducing thermal stress.
- Fast Switching Performance: Low gate charge supports rapid switching cycles, enhancing performance in high-frequency DC-DC converters and motor drives.
- Robust Thermal Handling: Designed to operate up to 175??C junction temperature, ensuring stable operation under harsh industrial conditions.
Typical Applications
- Industrial motor control: Effective for driving medium to high power motors, offering low loss switching and reliable thermal management in automation systems.
- Power supplies and inverters: Suitable for high-voltage power supplies, UPS systems, and solar inverters requiring efficient energy conversion and low switching losses.
- Automotive electronics: Ideal for use in electronic control units (ECUs) and powertrain modules, supporting robust operation under automotive temperature and voltage conditions.
- Switching regulators and DC-DC converters: Supports high-frequency switching to improve power density and efficiency in regulated power systems.
STB45N40DM2AG Advantages vs Typical Alternatives
This MOSFET offers a compelling balance of high voltage rating and low on-resistance, delivering enhanced efficiency in power management compared to typical alternatives. Its low gate charge reduces switching losses, making it well-suited for high-frequency operation. The wide operating temperature range and robust power dissipation capability ensure reliable performance in demanding industrial and automotive environments where durability and thermal stability are critical.
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STB45N40DM2AG Brand Info
The STB45N40DM2AG is manufactured by STMicroelectronics, a global leader in semiconductor technologies. STMicroelectronics is known for its extensive portfolio of power MOSFETs optimized for industrial, automotive, and consumer electronics applications. This device benefits from ST??s expertise in advanced planar MOSFET technology, providing designers with reliable, high-performance components that meet stringent quality and environmental standards worldwide. With a strong emphasis on innovation and energy efficiency, STMicroelectronics supports engineers with comprehensive technical documentation and global supply





