This part is a kind of semiconductor called PD150KN16.

Function of this product has DIODE.

Manufacturers : Nihon

Image and pinout :

Some of the text within the PDF file :

Grade Parameter *1 Repetitive Peak Reverse Voltage *1 Non Repetitive Peak Reverse Voltage VRSM 1700 V Symbol VRRM PD150KN16 1600 Unit V Parameter *1 Average Rectified Output Current *1 RMS Forward Current *1 Surge Forward Current *1 I Squared t Operating Junction Temperature Range Storage Temperature Range Isolation Voltage Mounting Torque Mounting Terminal Symbol Io (AV) IF(RMS) IFSM I2t Tjw Tstg Viso 180 Half Sine Wave Conditions Tc=97 Max.Rated Value 150 Unit A A A A2 www.DataSheet.co.kr 235 50Hz 1 Half Sine Wave, 1Pulse, Non-Repetitive 2 10ms 3200 51200 -40 -40 AC 1 Terminal to Base, AC 1min. Greased M6 M6 +150 +125 2500 2.5 2.5 3.5 3.5 V N m N m Parameter *1 Peak Reverse Current *1 Peak Forward Voltage *1 Thermal Resistance *1 Thermal Resistance 150g Approximate Weight Symbo [ ... ]

PD150KN16 PDF Datasheet Download