STGD20N45LZAG Overview
The STGD20N45LZAG is a high-performance N-channel power MOSFET designed for industrial and power management applications requiring efficient switching and robust thermal handling. Featuring a voltage rating of 450 V and low on-resistance, it offers optimized conduction and switching performance. This device supports high-speed operation with a gate charge suitable for demanding power conversion circuits. Its rugged design ensures reliability in harsh electrical environments, making it ideal for engineers and sourcing specialists aiming to enhance system efficiency. For detailed specifications and purchasing options, visit IC Manufacturer.
STGD20N45LZAG Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 450 | V |
| Continuous Drain Current (ID) @ 25??C | 20 | A |
| Drain-Source On-Resistance (RDS(on)) | 0.085 | ?? |
| Gate Threshold Voltage (VGS(th)) | 2.0 ?C 4.0 | V |
| Maximum Gate Charge (Qg) | 35 | nC |
| Power Dissipation (PD) | 150 | W |
| Junction Temperature Range (Tj) | -55 to 175 | ??C |
| Package Type | TO-220 Full Pack | ?C |
STGD20N45LZAG Key Features
- High Voltage Blocking Capability: Rated at 450 V, this MOSFET can handle demanding high-voltage applications, ensuring reliable operation in industrial power systems.
- Low On-Resistance (RDS(on)): The 0.085 ?? on-resistance minimizes conduction losses, improving efficiency and reducing heat generation in switching circuits.
- Fast Switching Performance: With a maximum gate charge of 35 nC, it enables rapid switching transitions, critical for high-frequency power converters and motor control.
- Robust Thermal Handling: The device supports a high power dissipation rating of 150 W, facilitating effective heat management in demanding environments.
Typical Applications
- Switching power supplies: The device??s high voltage rating and low conduction losses make it well-suited for SMPS designs, improving efficiency and thermal reliability.
- Motor drives: Its fast switching and rugged build support precise control and durability in industrial motor control applications.
- Power factor correction (PFC) circuits: High voltage and current capabilities enable effective operation in PFC stages of power systems.
- Industrial inverters: Suitable for use in DC-AC conversion systems requiring robust performance and thermal stability under continuous load.
STGD20N45LZAG Advantages vs Typical Alternatives
This MOSFET offers a balanced combination of high voltage rating and low on-resistance, delivering superior efficiency compared to many competing devices. Its fast switching capability reduces switching losses, which is critical for power-sensitive applications. Furthermore, the high power dissipation rating and robust TO-220 package provide enhanced reliability and ease of thermal management, positioning it as a cost-effective and dependable choice for industrial power electronics.
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STGD20N45LZAG Brand Info
The STGD20N45LZAG is manufactured by STMicroelectronics, a global leader in semiconductor technology. STMicroelectronics specializes in power MOSFETs designed for industrial, automotive, and consumer applications. Known for innovation and quality, ST??s products offer reliable performance and cutting-edge efficiency improvements. This specific MOSFET combines ST??s expertise in power device engineering with a package optimized for thermal dissipation, catering to demanding industrial applications requiring robust and efficient switching components.





