UTLH21A TOSHIBA IGBT power module

• Brand
  Toshiba
• Model
  UTLH21A
• Product Name
  Three-Phase Full-Bridge IGBT Power Module
• Country of Origin
  Japan
• HS Code
  8541409000
• Dimensions
  122mm×62mm×18mm
• Weight
  0.28kg
• Operating Temperature
  -40°C to 85°C
• Storage Temperature
  -40°C to125°C
• Power Supply
  24 vdc
• Warranty
  12 month
• Product Status
  new and original

Toshiba UTLH21A High Power IGBT Power Module - Product Overview & Specifications
Technical Specifications

Input Configuration: Supports high DC bus input voltage up to 1200V, fully compatible with standard 380V and 690V three-phase industrial power systems. It receives steady DC power input from front-end rectifier units and features superior overvoltage and surge resistance performance, ensuring safe, stable and uninterrupted energy supply for high-power conversion systems.

Output Configuration: Delivers stable three-phase AC power output with a rated continuous current of 200A at 85°C, and supports a 400A short-time overload current within 10ms to withstand instantaneous load impacts. It achieves a maximum switching frequency of 20kHz, enabling high-precision, high-efficiency frequency and voltage conversion for diverse industrial power equipment.

Electrical & Thermal Parameters: Features an ultra-low on-state voltage drop of 1.8V under rated operating current, significantly reducing conduction power loss. The optimized packaging design provides a low junction-to-case thermal resistance of 0.2℃/W for rapid heat conduction and efficient heat dissipation, with a controlled maximum power consumption of 400W at rated temperature to maintain consistent and stable power output performance.

Structural Technology: Utilizes high thermal conductivity DBC ceramic insulated substrate with a thermal conductivity of 200W/(m·K), greatly enhancing overall heat dissipation efficiency. The standardized industrial packaging features a rational pin layout and high structural rigidity, offering excellent vibration resistance and mechanical shock resistance to support long-term uninterrupted operation of heavy-duty industrial power equipment.

Core Product Features

Leveraging Toshiba mature 7th-generation trench IGBT technology, this module reduces switching loss by 20% compared with conventional generations, realizing outstanding low-loss and high energy-efficiency performance. It integrates a built-in NTC thermistor for real-time temperature monitoring and inherent IGBT short-circuit protection, constructing a multi-layer safety protection mechanism that effectively prevents equipment damage caused by overheating and short-circuit faults. The integrated three-phase full-bridge structure simplifies peripheral circuit design and lowers overall system complexity. It possesses superior electromagnetic compatibility and anti-interference capability to ensure stable power conversion in complex industrial electromagnetic environments. Additionally, it supports adaptive matching with multiple cooling solutions including forced air cooling and water cooling, delivering excellent application flexibility for diverse industrial scenarios.

Main Functions

Serving as a critical core component for industrial high-power power electronic systems, the Toshiba UTLH21A primarily performs DC-to-AC inversion and high-efficiency power conversion functions. It converts fixed DC power into adjustable three-phase AC power to drive industrial inverters, industrial power supplies and new energy power conversion devices. The module enables real-time adjustment of output frequency and voltage according to system operational requirements, meeting the variable-speed and variable-frequency control demands of industrial automated equipment. With built-in real-time temperature monitoring and overcurrent protection functions, it activates automatic protection responses under abnormal operating conditions, securing the stable and safe operation of the entire power system and supporting long-term continuous operation of industrial power and new energy conversion equipment.

Product Advantages

This power module delivers prominent energy-saving benefits through ultra-low conduction and switching losses, effectively reducing system power consumption and improving overall industrial equipment operational efficiency. The comprehensive integrated protection design significantly enhances system operational safety and stability, minimizing unplanned downtime and daily maintenance risks. Adopting high thermal conductivity ceramic substrate packaging, it achieves excellent heat dissipation performance, avoiding performance degradation caused by high-temperature heat accumulation and enabling stable full-load long-term operation.

Featuring standard industrial packaging and universal pin definitions, it supports seamless replacement and upgrade of legacy modules, effectively reducing equipment renovation and replacement costs. It boasts wide application versatility, covering industrial frequency conversion, UPS power supply, new energy charging and grid power conversion fields. Compliant with UL, VDE, TÜV international safety certifications and RoHS environmental standards, it fully meets global industrial application specifications. Its rugged industrial packaging structure provides exceptional temperature and vibration resistance, extending equipment service life and delivering superior long-term cost performance for industrial power system operation.