IGBT(Insulated Gate Bipolar Transistor)
🟨 IGBT (high voltage and high current applications)
Functional Classification | Application and Purpose | Precious Metal Materials Used | Reason and Remarks |
---|---|---|---|
① Electrical Function | Surface Electrode, Wire Bond | Au, Ag, Pd | Gold and silver have high conductivity and good bonding reliability. |
② Thermal Function | Die Touch (Back) |
Sintered Ag, AuSn |
High thermal conductivity material is required to escape heat generated by high current |
③ Chemical Function | Barrier inside the package | Pt, Pd | Used for an interfacial stabilizer that withstands heat and current stress |
🔹 Examples of applications: industrial inverters, train controllers, elevators, UPS, large capacity motor control