K40T120 (i) IGBT Transistor (SH) TO-247 Code: 23048696

The K40T120 (often labeled as IKW40T120) is a 1200V, 40A N-channel TrenchStop and Fieldstop insulated-gate bipolar transistor (IGBT) packaged in a TO-247 case. It features a co-packaged soft-recovery anti-parallel diode, designed for high-efficiency and high-frequency switching power applications.

Key Technical Specifications

• Collector-Emitter Voltage :1200 V
• Continuous Collector Current :40 A
• Pulsed Collector Current :120 A
• Saturation Voltage : 1.7 V
• Package Type:TO-247-3 (Through-hole)
• Short Circuit Withstand Time:10 µs

Main Features

• Trench and Fieldstop Technology:Offers low conduction and switching losses.
• Positive Temperature Coefficient:Makes parallel switching easy and safe.
• Integrated Diode:Includes a fast, soft-recovery anti-parallel emitter-controlled diode.
• Low EMI:Designed to minimize electromagnetic interference in heavy-duty circuits.

Common Applications

• Welders and cutting machines
• Uninterruptible Power Supplies (UPS)
• Frequency converters and motor drives
• Solar inverters and high-voltage switch mode power supplies (SMPS)