Content last revised on January 16, 2026
IXEN60N120 IXYS 1200V 60A IGBT Module: Engineering Efficiency with Sonic-FRD™ Technology
The IXEN60N120, manufactured by IXYS (now part of Littelfuse), represents a significant advancement in N-Channel Enhancement Mode IGBT technology for high-voltage power conversion. By integrating a 1200V collector-emitter rating with a 60A continuous current capacity at 90°C, this module addresses the critical demand for thermal stability in high-frequency industrial environments. What sets the IXEN60N120 apart is its co-packaged Sonic-FRD™ diode, which utilizes advanced silicon architecture to minimize recovery current and soft-switching EMI, making it a cornerstone for designers of uninterruptible power supplies (UPS) and industrial motor drives. For industrial PFC stages requiring high power density and minimal switching EMI, the IXEN60N120 in the SOT-227 miniBLOC package is the optimal choice.
Key Benefits:
- Reduced Switching Losses: Optimized for high-frequency operation up to 20kHz+ without excessive heat.
- Robust SCSOA: Features a 10µs short-circuit withstand time for enhanced system-level protection.
What is the core benefit of the N-channel enhancement mode in the IXEN60N120? It ensures simplified gate drive control and superior switching efficiency in high-power architectures.
Application Scenarios & Value
Achieving System-Level Benefits in High-Frequency Power Conversion
Engineers designing high-power Switch Mode Power Supplies (SMPS) often face the challenge of managing transient losses during the turn-off phase. The IXEN60N120 addresses this through its low VCE(sat) of typically 2.0V and its Sonic-FRD™ technology. In a high-fidelity engineering scenario, such as an induction heating system, the rapid switching cycles can lead to cumulative thermal stress. The IXEN60N120 minimizes this stress via its SOT-227 (miniBLOC) package, which provides an isolated mounting base (up to 2500V~) and a very low junction-to-case thermal resistance (RthJC). This allow engineers to reduce the footprint of the heatsink while maintaining a 1200V safety margin.
Beyond induction heating, the IXEN60N120 is an essential component for Uninterruptible Power Supplies (UPS) and Power Factor Correction (PFC) circuits. In grid-tied inverter applications where reliability is paramount, the module’s SCSOA (Short Circuit Safe Operating Area) provides a critical buffer against load-side faults. While this model is ideal for high-speed switching in 60A ranges, systems requiring higher current handling for rectification may consider the MCC200-16IO1, or for different current profiles, the BSM150GT120DN2 offers an alternative power footprint.
Key Parameter Overview
Decoding the Specs for Enhanced Thermal Reliability
The following technical data is derived from the official manufacturer documentation to assist in precise component selection and thermal modeling.
| Parameter Category | Technical Specification | Value (Typical/Max) |
|---|---|---|
| Voltage Ratings | Collector-Emitter Voltage (VCES) | 1200V |
| Current Capacity | Continuous Collector Current (IC90) | 60A (@ Tc=90°C) |
| Switching Specs | Saturation Voltage (VCE(sat)) | 2.0V (at 60A, 125°C) |
| Diode Performance | Sonic-FRD Diode Vf | 2.2V |
| Isolation | Isolation Voltage (VISOL) | 2500V~ (50/60Hz, 1 min) |
| Protection | Short Circuit Time (tsc) | 10µs |
Download the IXEN60N120 datasheet for detailed specifications and performance curves.
Technical & Design Deep Dive
A Closer Look at the SOT-227 Package and Sonic-FRD Integration
The mechanical architecture of the IXEN60N120 is as critical as its semiconductor properties. The SOT-227 miniBLOC package is widely regarded in the industry for its low parasitic inductance and high-current screw terminals. This design reduces the "ringing" effects often seen in high-speed IGBT switching. Think of the low inductance path like a wide, smooth highway for current; it prevents the electrical "traffic jams" (voltage spikes) that can lead to desaturation or gate-oxide failure. To visualize this, consider a high-pressure water pipe: the 10µs short-circuit capability acts as a robust safety valve, preventing a sudden surge from bursting the system before the control logic can respond.
Furthermore, the Sonic-FRD™ (Fast Recovery Diode) integrated into the IXEN60N120 is engineered for a soft recovery characteristic. Traditional diodes can snap off too quickly, generating significant electromagnetic interference (EMI). The Sonic-FRD technology provides a controlled "tail" current during turn-off, which effectively dampens oscillation. This integration simplifies EMI filter design and improves the overall efficiency of DC-AC inverters used in renewable energy systems.
Application Vignette
Optimizing Power Density in Industrial Battery Chargers
In the design of high-power industrial battery chargers for electric forklifts, the IXEN60N120 proves its value in the PFC (Power Factor Correction) stage. The primary challenge for engineers is maintaining high efficiency while operating at high switching frequencies to minimize the size of the magnetic components (inductors and transformers). By utilizing the 1200V headroom and the low switching losses of the IXEN60N120, designers can operate comfortably at 20kHz. This higher frequency directly allows for smaller, lighter inductors, increasing the power density of the charger unit. The miniBLOC package further aids this by allowing multiple modules to be mounted on a single common heatsink due to the 2500V isolation, reducing assembly time and component count.
FAQ
How does the Rth(j-c) of the IXEN60N120 directly impact heatsink selection and overall system power density?
The IXEN60N120 features a low junction-to-case thermal resistance (typically 0.3 K/W for the IGBT portion), which means thermal energy is transferred efficiently from the silicon die to the module's baseplate. For designers, this high efficiency allows for smaller heatsinks or higher current operation within the same thermal envelope compared to standard TO-247 discrete components. This is a critical factor in achieving high-density power modules where space is at a premium.
Does the Sonic-FRD diode eliminate the need for external snubber circuits in high-speed applications?
While the soft-recovery characteristic of the Sonic-FRD™ significantly reduces the magnitude of voltage spikes (dV/dt) during switching, the need for a snubber circuit depends on the total stray inductance of the PCB and busbar layout. However, in many optimized layouts, the IXEN60N120 allows for simpler, lower-cost snubber designs or, in some cases, the total elimination of heavy RC snubbers, thereby reducing both bill-of-materials cost and parasitic power loss.
For procurement professionals and lead engineers evaluating the IXEN60N120 for upcoming industrial motor drives or high-power UPS projects, technical consultation is available to assist with integration strategies and volume availability. Please contact our technical sales team for further data or a customized quotation based on your specific project requirements.
