Content last revised on June 27, 2026
FS25R12W1T4 Infineon EasyPIM 1B 1200V 25A IGBT Module
The Infineon FS25R12W1T4, a cornerstone of the EasyPIM 1B family, represents a highly integrated IGBT module designed to optimize power density in compact motor control and inverter applications. This module features the Trenchstop IGBT4 technology, delivering a robust balance between switching efficiency and thermal reliability.
Core Specifications: 1200V | 25A | PIM (Power Integrated Module) configuration.
Key Benefits: Reduces PCB space via integrated rectifier and brake chopper. Enhances system lifespan through low thermal resistance.
For engineers questioning how to simplify three-phase drive designs, the FS25R12W1T4 provides a "plug-and-play" solution by consolidating the entire power stage into a single EasyPIM housing. For 400V industrial systems requiring a compact footprint without sacrificing performance, the FS25R12W1T4 remains a top-tier choice for modern power conversion architectures.
Key Parameter Overview
Decoding technical specifications for high-efficiency power design
The following technical parameters are derived from the official Infineon data documentation to support engineering evaluation and procurement verification.
| Sub-system | Parameter | Values (Typical/Max) |
|---|---|---|
| Inverter (IGBT) | Collector-emitter voltage (Vces) | 1200V |
| Inverter (IGBT) | Continuous DC collector current (Ic) | 25A (Tc = 100°C) |
| Inverter (IGBT) | Collector-emitter saturation voltage (Vcesat) | 1.85V (Tj = 25°C) |
| Rectifier (Diode) | Repetitive peak reverse voltage (Vrrm) | 1600V |
| Rectifier (Diode) | Maximum RMS current at rectifier output | 50A |
| NTC Thermistor | Rated resistance (R25) | 5.00 kΩ |
| Package | Module Housing | EasyPIM 1B |
Download the FS25R12W1T4 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
Optimizing system footprints in industrial drive architectures
The FS25R12W1T4 is specifically utilized in Variable Frequency Drives (VFD) and high-performance servo drives where space is at a premium. By integrating the three-phase bridge rectifier, the six-pack inverter, and a dedicated brake chopper, engineers can significantly minimize the parasitic inductance associated with external wiring. This integration is vital for achieving low-loss switching and high efficiency in industrial motor controllers.
In a typical engineering scenario involving a 5.5kW motor drive, the 1200V rating provides ample margin for 400V AC line fluctuations. The integrated NTC thermistor allows for real-time junction temperature monitoring, which is critical for preventing IGBT failure during overload conditions. While this model is ideal for lower-power VFD stages, systems requiring higher current handling may consider the FS35R12W1T4, which offers a 35A Ic within a similar footprint.
Beyond motor control, this module is a reliable building block for uninterruptible power supplies (UPS) and solar inverters. Its Trenchstop IGBT4 technology minimizes conduction losses, directly impacting the sizing of the heatsink and the overall thermal management strategy of the power converter. For deeper insights into selecting the right module, engineers can refer to our power semiconductor selection guide.
Technical Deep Dive
Analyzing Trenchstop IGBT4 benefits and integrated thermistor accuracy
The FS25R12W1T4 utilizes the fourth generation of Trenchstop technology, which acts like a "high-speed highway" for electrons, significantly lowering the Vcesat compared to older planar structures. This reduction in the "voltage toll" paid during conduction translates to less heat generated within the EasyPIM 1B package. For system integration, this means smaller cooling fans and lighter enclosures, aligning with the trends of Industrial 4.0 automation.
Another strategic advantage is the inclusion of the Emitter Controlled 4 diode. This component is optimized for soft-switching behavior, which drastically reduces electromagnetic interference (EMI). In sensitive medical imaging equipment or precision robotics, minimizing high-frequency noise is essential for maintaining signal integrity. For a comprehensive look at how these internal structures interact, see our analysis of IGBT technology.
Frequently Asked Questions
How does the Vcesat of 1.85V impact the selection of the heatsink in a 25A application?
The Vcesat determines the conduction losses; at a 1.85V typical drop, the thermal load is lower than previous generations, allowing for a more compact heatsink design or a higher switching frequency within the same thermal resistance (Rthjc) limits.
What is the primary benefit of the integrated NTC thermistor in the FS25R12W1T4?
The integrated NTC provides precise, on-die temperature feedback. This allows the controller to initiate derating or shutdown protocols immediately, preventing catastrophic failure due to thermal runaway, which is far more accurate than monitoring external heatsink temperatures.
As a specialized distributor, we provide engineering data and high-reliability components to support your project lifecycle. For technical support or to verify current availability, please contact our technical sales team for the latest updates on the FS25R12W1T4 and related IGBT modules.
