Fairchild IGBT addresses reliability issues in IH appliances

Fairchild Semiconductor's new 1,200V NPT-Trench IGBT combines best-in-class avalanche immunity with optimized trade-off performance between switching and conduction losses to deliver increased system reliability and efficiency in induction heating (IH) applications.

Designed for microwave ovens, IH rice cookers and other IH cookers, the FGA25N120ANTD IGBT extends system lifetime by lowering operating temperatures as much as 10°C over previous-generation devices. The NPT-Trench IGBT utilizes the company's proprietary trench technology and non-punch through (NPT) technology, which allows the device to withstand a maximum 450mJ of avalanche energy, ensuring fail-safe operation in abnormal avalanche-mode conditions.

"Unstable power, AC line surges and system malfunctions cause avalanche-mode conditions in induction heating applications that can lead to instantaneous device failure," said Taehoon Kim, VP of Fairchild's functional power group. "To answer these reliability issues in IH appliances, our new 1,200V NPT-Trench IGBT offers best-in-class avalanche immunity, and optimizes trade-off performance to lower operating temperature and improve overall system efficiency."

Additional performance features and system benefits of the FGA25N120ANTD include a low saturation voltage (V_CE(sat) , typ = 2V at I_C = 25A and T_C = 25°C) to limit conduction losses; low switching loss (E_off, typ = 0.96mJ at I_C = 25A and T_C = 25°C) to reduce system power dissipation; and built-in FRD (fast recovery diode) to simplify circuit design and reduce component count.

Priced at $5.10 each (per 1,000-unit pieces), the FGA25N120ANTD is available in a TO-3P Pb-free package and meets or exceeds the requirements of the joint IPC/JEDEC standard J-STD-020B. This device is also compliant with EU requirements now in effect.