WhatsApp:+852-69577225FS150R12KT4_B11: Specs, Uses, and Installation Tips
6/19/2025 11:45:06 AM
The FS150R12KT4_B11 is a strong and compact power module made by Infineon. It handles 1200V and 150A, making it great for things like motor drives, solar inverters, UPS systems, and welding machines. It uses Infineon's smart technology to work fast, stay cool, and save energy. This article will explain what it does, where it's used, and how to install it.
Overview of FS150R12KT4_B11
The FS150R12KT4_B11 from Infineon is a high-performance 1200V, 150A six-pack IGBT module built for demanding industrial power systems. It features Infineon's advanced Trench IGBT4 technology, which delivers low switching losses and high energy efficiency, ensuring stable operation in harsh environments. Encased in the space-saving EconoPACK™ 3 housing, this module integrates six IGBT switches and freewheeling diodes, making it ideal for compact three-phase inverter designs.
If you are interested in purchasing the FS150R12KT4_B1, feel free to contact us for pricing and availability.
FS150R12KT4_B11 Circuit Diagram
The circuit diagram of the FS150R12KT4_B11 shows a typical three-phase inverter layout using six IGBT switches arranged in a six-pack configuration. Each phase has an upper and lower IGBT switch paired with a freewheeling diode, forming three half-bridges: T1–T2 for Phase U, T3–T4 for Phase V, and T5–T6 for Phase W. The top row of transistors (T1, T3, T5) is connected to the DC+ rail (pins 16–18), while the bottom row (T2, T4, T6) connects to the DC– rail (pins 30–35). The midpoint of each half-bridge forms the three AC outputs (pins 24–29). The circuit also includes a built-in NTC thermistor between pins 19 and 20, which monitors the module's internal temperature to help with thermal protection.
Features of FS150R12KT4_B11
1200V Blocking Voltage
The module can handle up to 1200 volts between collector and emitter, making it best for high-voltage applications such as motor drives and industrial inverters.
150A Continuous Collector Current
It supports a steady current of 150 amps, which makes it suitable for demanding power control tasks in medium-to-high power systems.
Low Saturation Voltage (VCE(sat))
With a VCE(sat) around 1.75V, the module helps reduce conduction losses during operation, which improves energy efficiency and reduces heat generation.
Integrated Fast Free-Wheel Diode
Each IGBT switch includes a built-in diode that quickly handles reverse recovery currents, protecting the circuit from voltage spikes during switching.
Low Switching Losses
The module is optimized for fast switching with minimal energy loss, which is required for high-frequency applications like converters and inverters.
Optimized Module Layout (EconoDUAL™ 2)
It uses Infineon's EconoDUAL™ 2 package design, which offers a compact footprint and effective heat dissipation for more efficient system integration.
High Isolation Voltage (2500V RMS)
The internal insulation provides safe isolation between the control and power sides, supporting up to 2500V RMS, which is important for system safety.
PressFIT Contact Technology
This solder-free connection method reduces assembly effort, improves long-term reliability, and simplifies manufacturing processes.
Operating Temperature up to 150°C
The module is designed to perform reliably at high temperatures, which is critical for industrial environments where heat levels are often elevated.
Main Uses of FS150R12KT4_B11
Industrial Motor Drives
Used in AC motor control systems for precise speed and torque regulation in machinery, conveyors, and pumps.
Renewable Energy Systems
Integrated into solar inverters and wind turbine converters to efficiently handle power conversion and grid integration.
Uninterruptible Power Supplies (UPS)
Helps maintain a stable power supply during outages by switching power between sources with high efficiency.
HVAC Systems
Controls compressors and fans in heating, ventilation, and air conditioning units for energy-efficient climate management.
Welding Equipment
Supports high-current switching in industrial welders, improving power delivery and thermal performance.
Elevators and Escalators
Ensures smooth motor control and energy recovery in vertical transportation systems.
Traction and Railway Systems
Used in inverters and converters for electric trains, trams, and locomotives, where high power and durability are required.
Battery Energy Storage Systems
Facilitates energy management in grid-tied storage applications by regulating charging and discharging cycles.
FS150R12KT4_B11 Thermal Management Tips
• Use a properly sized heatsink with high thermal conductivity to maintain safe junction temperatures.
• Apply a uniform layer of thermal interface material (TIM) between the module and heatsink to reduce thermal resistance.
• Ensure even mounting pressure using torque-controlled screws to avoid mechanical stress and ensure good thermal contact.
• Implement forced air or liquid cooling in high-power applications to improve heat dissipation.
• Monitor case temperature (Tc) continuously and design protection circuits for over-temperature events.
• Keep the module clean and free of dust buildup, which can act as thermal insulation and reduce cooling efficiency.
• Avoid sharp thermal cycling to reduce stress on internal components and solder joints.
• Position the module in areas with good airflow within the enclosure to assist in passive heat removal.
Installation Guide for FS150R12KT4_B11
Preparation and Safety Precautions
Before starting, ensure the power supply is disconnected. Work in an ESD-safe environment to avoid damage to the module.
Required Tools and Materials
Gather all necessary tools such as torque drivers, heatsink compound, isolation pads, screws, and proper cables for power and signal connections.
Handling and ESD Protection Guidelines
Always handle the module using ESD-safe gloves and wrist straps. Avoid touching the pins or terminals directly to prevent electrostatic discharge damage.
Mounting the Module onto the Heatsink
Align the module onto the heatsink surface using the designated screw holes. Ensure the surface is flat and clean for proper thermal contact.
Applying Thermal Interface Material (TIM)
Apply a thin, even layer of thermal grease or place a thermal pad between the module baseplate and heatsink to enhance heat transfer.
Torque Specifications for Mounting Screws
Tighten mounting screws to the recommended torque in a crisscross pattern to avoid warping and ensure even pressure.
Electrical Connection: Power Terminals and Gate Drivers
Connect the power terminals (DC+ / DC– / AC outputs) securely and use proper gate driver boards or circuits to control the IGBT switches safely.
Checking Isolation and Grounding
Verify that the module's baseplate and terminals are properly isolated. Ensure grounding is done according to system design to prevent electrical faults.
Final Inspection and Functional Testing
Inspect all connections visually. Use a multimeter to check continuity, resistance, and isolation before powering up the system for functional testing.
FS150R12KT4_B11 Packaging Outlines
The packaging outline of the FS150R12KT4_B11 module shows the exact shape, size, and pin layout of the part. From the top view, we can see that the module is about 124 mm long and 62 mm wide. It has four holes at the corners, which are used to screw the module onto a heatsink. The distance between these holes is 118 mm by 45 mm, and they help keep the module in place.
The side view shows the height of the module and how far the pins stick out. This is important so that there's enough space for safe electrical connections and proper cooling. The view also helps make sure the module fits correctly in the device or system where it's used.
The bottom view of the drawing shows where each pin is located and what it connects to. Pins are labeled with numbers and names like G1, E1, and C1, which stand for gate, emitter, and collector. Some notes explain which screws and washers to use, so the module is mounted evenly without putting too much pressure on one side.
Conclusion
The FS150R12KT4_B11 is a reliable and efficient IGBT module well-suited for various industrial applications. With its robust Trench IGBT4 technology, it offers stable switching performance, low power loss, and strong thermal management. Its compact EconoPACK™ 3 housing also helps save space in high-density power systems.
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