This part is a kind of semiconductor called CK1001-7R.

Function of this product has 150 Watt DC-DC Converters.

Manufacturers : Power-One

Image and pinout :

Some of the text within the PDF file :

K Series 150 Watt DC-DC Converters Input voltage ranges from 8…385 V DC 1or 2 outputs up to 48 V DC 4 kV AC I/O electric strength test voltage LGA • Rugged electrical and mechanical design • Fully isolated outputs • Operating ambient temperature range –40...71 °C with convection cooling Selection chart Output 1 Uo nom Io nom [V DC] [A] 5.1 20 12 10 15 8 24 5 24 5 30 4 48 2.5 12 5 15 4 24 2.5 Output 1 Uo nom Io nom [V DC] [A] 5.1 25 12 12 15 10 24 6 24 6 30 5 48 3 12 6 15 5 24 3 Output 2 Uo nom Io nom [V DC] [A] 12 5 15 4 24 2.5 Output 2 Uo nom Io nom [V DC] [A] 12 6 15 5 24 3 Type Input voltage 8...35 V DC AK 1001-7R AK 1301-7R AK 1501-7R AK 1601-7R AK 2320-7R AK 2540-7R AK 2660-7R AK 2320-7R AK 2540-7R AK 2660-7R Type Input voltage 14...70 V DC BK 1001-7R BK 1301-7R BK 1501- [ ... ]

CK1001-7R PDF Datasheet Download