Your Guide into FM400TU-2A: Datasheet, Features, Alternatives
2025-01-09 177

The FM400TU-2A is a powerful IGBT module from Fuji Electric, designed for high-demand industrial systems like motor drives, HVAC, and renewable energy. It handles up to 400A and 1200V, offering great efficiency and reliability. With a compact design and strong thermal performance, it’s perfect for bulk use, for you looking for dependable power solutions.

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FM400TU-2A Description

The FM400TU-2A is a high-performance insulated gate bipolar transistor (IGBT) module manufactured by Fuji Electric. Designed for high-power applications, it supports a collector current of up to 400A and a voltage rating of 1200V, making it ideal for industrial systems requiring efficient power switching. Its dual-module configuration integrates two IGBTs, offering low switching losses, excellent thermal performance, and reliable operation in demanding environments. With an operating temperature range of -40°C to +150°C, it ensures robust performance in motor drives, inverters, welding equipment, and HVAC systems.

The FM400TU-2A features a compact, insulated package, simplifying integration while enhancing safety and heat dissipation. Compatible alternatives, such as the FM300TU-2A or modules from Infineon and Mitsubishi, provide flexibility for various project requirements. Elevate your industrial power solutions with the FM400TU-2A. Contact us today to secure your bulk orders and ensure reliable, high-efficiency performance for your applications!

FM400TU-2A Features

• High Power Handling: Supports up to 400A collector current and 1200V collector-emitter voltage, suitable for high-demand applications.

• Dual IGBT Configuration: Combines two IGBT chips in a single compact module, simplifying circuit design and reducing installation space.

• Low Switching and Conduction Losses: Ensures high efficiency by minimizing energy loss during operation.

• Thermal Performance: Excellent heat dissipation capabilities with an insulated baseplate for enhanced reliability in high-temperature environments.

• Robust and Durable Design: Built to withstand harsh industrial conditions with a wide operating temperature range of -40°C to +150°C.

• High Isolation Voltage: Provides 2500V AC isolation between terminals and the baseplate for safety and reliability.

• Ease of Integration: Compact and lightweight design allows seamless integration into a variety of power systems.

FM400TU-2A Circuit Diagram

The circuit diagram shown is a schematic representation of the FM400TU-2A module, which is likely a three-phase rectifier or inverter circuit used in power electronics. This module features insulated-gate bipolar transistors (IGBTs) paired with anti-parallel diodes, forming a robust switching mechanism. Each phase (U, V, and W) is equipped with two IGBTs, one in the upper branch (e.g., GuP, GvP, GwP) and one in the lower branch (e.g., GuN, GvN, GwN), to control the direction and magnitude of current flow.

The inputs (P and N) serve as the DC bus voltage terminals, with "P" representing the positive terminal and "N" the negative. The outputs (U, V, and W) provide the three-phase AC connections. Each IGBT is labeled with gate signals (e.g., SuP, SvP, SwP) for control purposes, and the anti-parallel diodes allow freewheeling current to pass when the IGBTs are turned off, ensuring smooth operation in AC motor drives or other applications.

Additionally, the diagram includes an optional connection for a thermistor or other thermal sensing device (13 and 14), which helps monitor the module's temperature to ensure safe operation.

FM400TU-2A Maximum Ratings

FM400TU-2A Performance Curves

The performance curves for the FM400TU-2A module highlight its output and transfer characteristics under typical operating conditions. The output characteristics curve (left) shows the relationship between the drain-source voltage (V_DS) and the drain current (I_D) for different gate-source voltages (V_GS), with the temperature fixed at T_ch = 25°C. As the gate-source voltage increases (e.g., 9V to 20V), the drain current rises for a given drain-source voltage, indicating the module's ability to handle higher loads effectively with stronger gate drive signals.

The transfer characteristics curve (right) illustrates the relationship between the gate-source voltage (V_GS) and the drain current (I_D) at a constant drain-source voltage (VDS = 10V). It compares performance at different channel temperatures (T_ch = 25°C and T_ch = 125°C). At elevated temperatures, the curve shifts slightly, reflecting temperature-induced changes in threshold voltage and current handling. These characteristics demonstrate the module's sensitivity to gate drive and thermal conditions, making it suitable for applications where precise control and thermal reliability are required.

The performance curves for the FM400TU-2A module provide information into its thermal behavior and operational efficiency. The left graph illustrates the relationship between the drain-source on-state resistance (RDS(ON)) and channel temperature (Tch) for different gate-source voltages (VGS = 12V and 15V). As the temperature increases, RDS(ON) also rises, which can lead to higher power losses during operation. This trend highlights the importance of maintaining adequate thermal management to ensure the module's efficiency and longevity in high-power applications.

The right graph depicts the gate threshold voltage (V_GS(th)) as a function of channel temperature. It shows a gradual decline in V_GS(th) with increasing temperature, indicating that the module requires a lower gate voltage to turn on as it heats up. This behavior is for understanding the module's thermal characteristics and ensuring stable operation in environments with fluctuating temperatures. These curves emphasize the module's performance under varying thermal conditions and the need for proper gate drive and cooling strategies.

The FM400TU-2A performance curves provide information into its electrical behavior under varying operating conditions. The left graph shows the drain-source on-state voltage (V_DS(ON)) as a function of the gate-source voltage (V_GS) for different drain currents (I_D = 100A, 200A, 400A) at T_ch = 25°C. As V_GS increases, V_DS(ON) decreases, indicating better conductivity and lower power losses. Higher drain currents lead to slightly higher V_DS(ON), emphasizing the need for sufficient gate drive voltage to ensure efficient operation under high load conditions.

The right graph depicts the relationship between capacitance (C_iss, C_oss, and C_rss) and drain-source voltage (V_DS) with V_GS = 0V. The input capacitance (C_iss) dominates at low V_DS values, while output (C_oss) and reverse transfer capacitance (C_rss) decrease as V_DS increases. These capacitance characteristics are for switching performance, influencing switching speed, energy loss, and overall efficiency in high-frequency applications. Together, these curves highlight the importance of proper gate drive design and voltage considerations for optimal performance.

FM400TU-2A Alternatives

FM400TU-2A Advantages and Disadvantages

Advantages of FM400TU-2A

• High Power Capability: Handles up to 400A and 1200V, making it perfect for heavy-duty industrial use.

• Space-Saving Design: Combines two IGBTs in one module, reducing the need for extra space and simplifying installation.

• Energy Efficient: Low switching and conduction losses minimize energy waste and improve overall efficiency.

• Great Heat Management: Insulated baseplate ensures heat is effectively dissipated, allowing it to work reliably even in tough conditions.

• Wide Operating Temperatures: Works smoothly in extreme temperatures, ranging from -40°C to +150°C, suitable for various industries.

• Compact and Long-Lasting: Small yet sturdy design makes it easy to install and highly reliable over time.

• Safe to Use: Offers high isolation voltage (2500V AC) to protect against electrical risks.

• Flexible Applications: Ideal for motor drives, inverters, HVAC systems, welding equipment, and power supplies.

Disadvantages of FM400TU-2A

• Expensive: The FM400TU-2A costs more than lower-capacity alternatives due to its high-performance features.

• Cooling Needs: Requires extra cooling systems, like heat sinks or liquid cooling, which add to the design complexity.

• Limited Switching Speeds: Not suitable for very high-frequency applications, such as those beyond several kHz.

• Compatibility Issues: Needs careful planning to ensure it works well with other circuit components.

• Size Constraints: Though compact for its power range, it might still be too large for space-restricted designs.

• Maintenance Requirements: Regular inspections and maintenance may be required to ensure consistent performance.

FM400TU-2A Applications

• Industrial Inverters: Used in high-power inverters for renewable energy systems, such as solar and wind power setups, to convert DC to AC efficiently.

• Motor Drives: Powers industrial motor drive systems in manufacturing, robotics, and automation, providing precise control and energy savings.

• HVAC Systems: Common in heating, ventilation, and air conditioning systems, ensuring efficient operation of compressors and blowers.

• Welding Equipment: Ideal for welding machines that require stable and controlled power delivery for precise welding processes.

• Power Supplies: Used in high-capacity power supplies for industrial applications, ensuring stable and efficient energy delivery.

• Renewable Energy Systems: Plays a role in renewable energy solutions, such as grid-tied inverters and battery energy storage systems, to handle large currents and voltages.

• Uninterruptible Power Supplies (UPS): Ensures seamless power backup in applications, like data centers, hospitals, and industrial control systems.

• Electric Vehicle (EV) Charging Stations: Facilitates high-power switching in EV fast chargers, ensuring rapid and efficient energy transfer.

• Railway Traction Systems: Used in railway and transportation systems for efficient power control in traction converters.

• Industrial Automation: Supports power needs in automated production lines and high-precision machinery

FM400TU-2A Packaging

The packaging dimensions of the FM400TU-2A module provide a detailed layout for its physical design and mounting requirements. The diagram includes precise measurements of the module’s external dimensions, terminal positions, and mounting hole locations, ensuring compatibility with various system designs. The overall dimensions (e.g., length, width, and height) are carefully specified to assist in mechanical integration and space allocation within enclosures.

These features include the mounting holes (4–Φ6.5 and 7-M6 nuts) that allow secure installation, ensuring stability during operation. The labeled "Tc measured point" indicates the location where the case temperature (Tc) should be monitored, for thermal management and ensuring the module operates within safe limits. The connection interface includes clearly labeled terminals, with specific spacing and pin configurations for ease of wiring and electrical integration.

The inclusion of housing type specifications (Tyco Electronics P/N: A: 917353-1, B: 179838-1) further aids in selecting compatible connectors, ensuring secure and reliable electrical connections. This packaging information is for us to properly mount, wire, and thermally manage the module in various applications.

Conclusion

The FM400TU-2A is a reliable, efficient choice for powering industrial systems. It’s built to last, easy to integrate, and ideal for large-scale applications. For those in need of bulk orders, this module is the perfect fit to improve your operations. Contact us today to place your order!

Datasheet PDF

FM400TU-2A Datasheets