Content last revised on November 22, 2025
SEMiX604GB176HDs: High-Current 1700V Trench IGBT Module for Demanding Power Conversion Systems
Engineered for High Power Density and Operational Reliability in Industrial Drives and UPS Systems
The SEMiX604GB176HDs is a high-performance Trench IGBT module designed for robust power switching in demanding industrial applications. This module delivers a formidable combination of high current handling and high blocking voltage, featuring specifications of 1700V and 400A (nominal). Its core engineering benefits include superior thermal performance and high reliability, facilitated by Trenchgate technology and a positive temperature coefficient for VCE(sat). This design directly addresses the engineering challenge of managing thermal stress and ensuring stable operation in high-power systems like large AC inverter drives. For systems demanding high current capacity at this voltage class, the SEMiX604GB176HDs provides a robust and efficient solution.
Application Scenarios & Value
Achieving System-Level Benefits in High-Frequency Power Conversion
The robust electrical and thermal characteristics of the SEMiX604GB176HDs make it an excellent component for high-power, high-frequency applications where efficiency and long-term reliability are paramount. Its 1700V blocking voltage provides a significant safety margin for systems operating on 690V AC lines, which are common in heavy industrial settings such as large motor drives for manufacturing plants, mining operations, and commercial HVAC systems.
A key engineering challenge in these applications is managing switching losses, which escalate with frequency and can lead to excessive heat. The module's Trenchgate IGBT technology helps to minimize these losses. What is the primary benefit of its positive VCE(sat) temperature coefficient? It simplifies the paralleling of modules for higher power output by inherently balancing current sharing between devices, preventing thermal runaway in any single module. This is critical in scalable designs for large Uninterruptible Power Supplies (UPS) or multi-megawatt renewable energy inverters. For applications requiring a similar footprint but different electrical ratings, alternatives like the SEMiX453GB176HD may offer different current handling capabilities.
Key Parameter Overview
Decoding the Specs for Enhanced Thermal Reliability
The performance of the SEMiX604GB176HDs is defined by a set of key parameters that directly influence its integration and operational success. The specifications below are critical for thermal modeling, gate drive design, and overall system efficiency calculations.
| Parameter | Symbol | Condition | Value |
|---|---|---|---|
| Absolute Maximum Ratings (Tj = 150 °C) | |||
| Collector-Emitter Voltage | VCES | - | 1700 V |
| Continuous Collector Current | IC | Tc = 80 °C | 402 A |
| Nominal Collector Current | ICnom | - | 400 A |
| Gate-Emitter Voltage | VGES | - | ±20 V |
| Short Circuit Withstand Time | tpsc | Tj = 125 °C | 10 µs |
| Characteristics (Tj = 125 °C) | |||
| Collector-Emitter Saturation Voltage | VCE(sat) | IC = 400 A, VGE = 15 V | 2.5 V (typ.) |
| Total Switching Energy (On) | Eon | VCC = 1200V, IC = 400A | 215 mJ (typ.) |
| Total Switching Energy (Off) | Eoff | VCC = 1200V, IC = 400A | 165 mJ (typ.) |
| Thermal Resistance, Junction-to-Case | Rth(j-c) | per IGBT | 0.058 K/W |
Download the SEMiX604GB176HDs datasheet for detailed specifications and performance curves.
Industry Insights & Strategic Advantage
Meeting the Demands of Industrial Electrification and Grid Modernization
The SEMiX604GB176HDs is well-positioned to support two major industry trends: the increasing electrification of industrial processes and the modernization of the electrical grid. As factories and plants replace mechanical or hydraulic systems with high-efficiency electric motor drives, the demand for powerful and reliable IGBTs grows. The 1700V rating of this module is particularly relevant for upgrading infrastructure to support higher distribution voltages, which reduces transmission losses and improves overall plant efficiency. Furthermore, in the context of grid-tied systems like large-scale solar inverters and battery energy storage systems (BESS), components with high blocking voltage and proven reliability are essential for ensuring grid stability and maximizing uptime. The robust design and UL recognition (File E63532) of this Semikron module provide the engineering confidence required for such critical infrastructure projects.
Frequently Asked Questions (FAQ)
How does the 1700V VCES rating benefit my design?
The 1700V rating provides a substantial safety margin for applications running on 690V AC industrial lines. This increased headroom protects the device against voltage spikes and transients common in industrial environments, enhancing the overall ruggedness and longevity of the power converter.
What is the significance of the 10µs short-circuit withstand time?
A 10µs short-circuit withstand time (SCSOA) provides a critical window for protection circuits to detect a fault condition and safely shut down the IGBT before catastrophic failure occurs. This is a vital parameter for building a reliable system, as it allows for the implementation of robust protection schemes that prevent damage to both the module and the wider system in events like motor stalls or output short circuits.
What does the Rth(j-c) of 0.058 K/W mean for thermal design?
The thermal resistance from junction-to-case (Rth(j-c)) indicates how efficiently heat can be transferred from the IGBT silicon chip to the module's baseplate. A low value like 0.058 K/W is highly desirable; it means for every watt of power dissipated as heat, the chip temperature will only rise by 0.058°C above the case temperature. This is analogous to a wider pipe allowing more water to flow easily; a lower thermal resistance allows heat to be extracted more effectively. This enables more compact heatsink designs or higher power output for a given heatsink size, directly impacting system power density and cost.
Engineering Support and Further Inquiries
For detailed technical inquiries, application support, or to discuss procurement for your project, please contact our technical sales team. We provide engineering-level support to help you effectively integrate the SEMiX604GB176HDs into your power conversion systems and navigate the complexities of thermal management and gate drive design.