Monday, July 20, 2026
ComponentsPower Semiconductors

Infineon FS300R12KE3 1200V 300A Sixpack IGBT Module: Features and Specifications

FS300R12KE3 Infineon 1200V 300A Sixpack IGBT Module

Product Overview and Electrical Ratings

The FS300R12KE3 functions as a high-power silicon-based sixpack module utilizing trench fieldstop technology. This configuration integrates six insulated gate bipolar transistors in a single EconoPACK™ 3 housing. The module features low conduction losses and a high level of integration for three-phase power conversion topologies.

  • Core Specifications: 1200V | 300A (at TC = 80°C) | VCE(sat) 1.70V (typical)
  • Engineering Advantages: Reduced cooling system sizing and simplified terminal connections.
  • Thermal Security: The module integrates an internal negative temperature coefficient temperature sensor. This allows real-time monitoring of the internal junction temperature.

Download Official FS300R12KE3 Datasheet (PDF)

Trenchstop Technology and Thermal Management

The device leverages trench gate structures combined with a fieldstop layer. This architecture reduces the collector-emitter saturation voltage compared to older non-punch-through planar designs. Lower conduction voltage translates directly into diminished power dissipation during the on-state. System designers can source these modules for high-efficiency applications within the broader power semiconductors category.

Thermal resistance from junction to case (RthJC) is limited to 0.09 K/W per IGBT. Thermal resistance acts like a narrow bridge. A lower resistance value expands this bridge, letting heat escape faster to the heatsink. This fast dissipation lowers thermal stress under variable load conditions. The integration of an internal sensor simplifies safety circuits. You can read more about this in the guide to integrated NTC safety.

The freewheeling diode features emitter-controlled technology. This matches the fast switching transitions of the IGBT3 cell structure. Soft recovery characteristics minimize electromagnetic interference during turn-off phases. These matched reverse recovery dynamics are detailed in the analysis of free-wheeling diode performance.

Recommended Application Environments

  • Industrial Motor Drives: Fits variable frequency drives up to 300A ratings. Low switching losses maintain high inverter efficiency.
  • Solar Power Inverters: Manages high-voltage DC-to-AC conversion stages. The sixpack topology minimizes parasitic inductance.
  • Uninterruptible Power Supplies (UPS): Operates as the main switching stage. Low on-state losses support thermal budget targets.

Best Fit: An integrated 1200V sixpack module for industrial three-phase inverters requiring space-efficient packaging and built-in thermal telemetry.

Key Technical Specifications

Parameter Category Specification Name Typical Value / Limit
Maximum Ratings Collector-Emitter Voltage (VCES) 1200 V
Continuous DC Collector Current (IC) 300 A (TC = 80°C)
Repetitive Peak Collector Current (ICRM) 600 A (tp = 1 ms)
Electrical Values Collector-Emitter Saturation Voltage (VCE(sat)) 1.70 V (typical, Tvj = 25°C)
Gate Threshold Voltage (VGE(th)) 5.8 V (range: 5.0 V to 6.5 V)
Input Capacitance (Cies) 21.0 nF (f = 1 MHz)
Thermal & NTC Thermal Resistance, Junction to Case (RthJC) 0.09 K/W (per IGBT)
Rated NTC Resistance (R25) 5.00 kΩ (deviation: ±5%)

Engineer FAQ

What is the maximum operating junction temperature under load?
The FS300R12KE3 module operates up to a maximum virtual junction temperature (Tvj max) of 150°C. For continuous operation, staying below 125°C provides a standard safety margin.

What is the recommended gate resistor configuration for this module?
The datasheet specifies test conditions using a turn-on gate resistor (RGon) of 2.4 Ω and a turn-off gate resistor (RGoff) of 2.4 Ω. Designers should tune these values based on parasitic inductance in the layout to balance switching loss against peak voltage overshoots.

Is the baseplate isolated from the electrical terminals?
Yes. The copper baseplate features internal isolation utilizing aluminum oxide (Al2O3) ceramic substrates. The isolation test voltage rating is 2.5 kV AC (RMS) at 50 Hz for 1 minute.

Design Integration Value

The FS300R12KE3 provides a compact footprint with integrated thermal feedback. This module enables engineers to construct reliable inverters with a high power density. By integrating six switches into a single copper-baseplate package, the module minimizes stray package inductance. This simplifies overall circuit layouts and driver configurations.