This part is a kind of semiconductor called K25T120.
Function of this product has IKW25T120.
Manufacturers : Infineon Technologies
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TrenchStop Series ® IKW25T120 Low Loss DuoPack : IGBT in TrenchStop® and Fieldstop technology with soft, fast recovery anti-parallel EmCon HE diode C • • • • • • • • • • • Approx. 1.0V reduced VCE(sat) and 0.5V reduced VF compared to BUP314D Short circuit withstand time – 10µs Designed for : - Frequency Converters - Uninterrupted Power Supply TrenchStop® and Fieldstop technology for 1200 V applications offers : - very tight parameter distribution - high ruggedness, temperature stable behavior NPT technology offers easy parallel switching capability due to positive temperature coefficient in VCE(sat) Low EMI Low Gate Charge Very soft, fast recovery anti-parallel EmCon HE diode 1 Qualified according to JEDEC for target applications Pb-fre [ ... ]