## Infineon FP25R12KE3 | Robust 1200V IGBT Module for Reliable Motor Drives
The Infineon FP25R12KE3 is an industry-proven 1200V, 25A PIM (Power Integrated Module) engineered for exceptional reliability and performance in low-to-medium power applications. Housed in the versatile EconoPIM™ 2 package, this module integrates a full three-phase inverter bridge (sixpack configuration), making it a cornerstone component for compact and cost-effective power conversion systems.
Core Strengths and Engineer-Focused Value
- System Integration: Combines six Infineon TRENCHSTOP™ IGBT3 chips with freewheeling diodes in a compact PIM, drastically simplifying PCB layout, reducing assembly time, and minimizing stray inductance.
- Optimized for Motor Control: The IGBT3 technology provides an excellent balance between low conduction losses (V_CE(sat)) and switching losses, making it a perfect fit for the typical switching frequencies (2-15 kHz) of modern motor drives.
- Built-in Thermal Sensing: An integrated NTC thermistor provides direct, real-time feedback of the module's baseplate temperature, enabling precise thermal monitoring and protective shutdown mechanisms.
- Proven Reliability: Leveraging a mature IGBT generation and the robust EconoPIM™ housing, the FP25R12KE3 delivers the long-term operational stability required for demanding industrial environments.
Application Scenarios Where the FP25R12KE3 Excels
As design engineers, we know that theoretical specs only matter when they solve real-world problems. The Infineon FP25R12KE3 is not just a collection of ratings; it's a solution tailored for specific engineering challenges.
Variable Frequency Drives (VFDs): In standard VFDs up to approximately 7.5 kW, cost-effectiveness and reliability are paramount. The FP25R12KE3's integrated design reduces the bill of materials (BOM) and streamlines manufacturing. Its robust IGBT3 technology easily handles the dynamic load conditions typical of conveyor belts, pumps, and fans, ensuring long service life.
Servo Drives: Precision is key in servo drives for robotics and CNC machines. While not a high-frequency specialist, this module offers highly controllable and predictable switching behavior. The integrated NTC is critical here, allowing the control system to push the drive to its performance limits while preventing thermal overload during rapid acceleration and deceleration cycles.
Auxiliary Power Units (APU) and UPS Systems: For auxiliary inverters in commercial vehicles or small-scale uninterruptible power supplies, the module’s high integration and 1200V blocking voltage provide a secure design margin and compact footprint, which are often critical constraints in these space-sensitive applications.
Key Technical Parameters at a Glance
The following table outlines the critical electrical and thermal characteristics that define the performance envelope of the FP25R12KE3. For a comprehensive list of parameters and characteristic curves, you can download the official Infineon FP25R12KE3 datasheet.
| Parameter | Symbol | Condition | Value |
|---|---|---|---|
| Maximum Collector-Emitter Voltage | V_CES | T_vj = 25°C | 1200 V |
| Nominal Collector Current | I_C nom | T_C = 80°C | 25 A |
| Collector-Emitter Saturation Voltage | V_CE(sat) | I_C = 25 A, T_vj = 125°C | 1.95 V (typ.) |
| Short Circuit Withstand Time | t_psc | V_GE ≤ 15 V, T_vj ≤ 150°C, V_CC = 800V | 10 µs |
| Thermal Resistance, Junction-to-Case | R_th(j-c) | per IGBT | 0.60 K/W (max) |
Frequently Asked Design Questions
What are the critical considerations for gate drive design with this module?
The FP25R12KE3 uses standard IGBT3 technology, which is straightforward to drive. A gate voltage of +15V is recommended for full saturation and low conduction losses. While not strictly necessary for this module's intended frequency range, employing a negative gate voltage (e.g., -8V to -15V) during the off-state is a best practice to enhance noise immunity and prevent parasitic turn-on, especially in electrically noisy motor drive environments.
How should I leverage the integrated NTC for maximum reliability?
The NTC is your most powerful tool for ensuring the module's longevity. It should be connected directly to your microcontroller's ADC input. Implement two software trip points: a warning level (e.g., 95°C) to trigger fan speed increases or modest load reduction, and a critical shutdown level (e.g., 115°C) to protect the module from catastrophic failure. This proactive approach to effective thermal management is far superior to relying on heatsink-mounted sensors alone.
For detailed selection advice or to discuss how the Infineon FP25R12KE3 can fit into your next power project, please contact our technical team.
