This part is a kind of semiconductor called M52440ASP.

Function of this product has Capstan Motor Drvier.

Manufacturers : Mitsubishi

Image and pinout :

Some of the text within the PDF file :

Baza Porad Serwisowych M52440ASP Capstan motor driver Mitsubishi M52440ASP CAPSTAN MOTOR DRIVER H3 H2 H1 1 2 3 4 5 6 7 9 180 U V W 32 31 30 29 28 27 26 25 24 23 22 21 20 19 CAPSTAN RVS(H) CAPSTAN FG 1µ MR 180 +2.5V PC +5V 0.47 10 11 12 13 14 15 16 PRE DRIVER M 8 CAPSTAN CTL 1µ CURRENT LMT W V U DRIVER 18 17 10/25V 220n x 3 CAPSTAN +12V GND Free Datasheet http:// SERWIS ELEKTRONIKI [ ... ]

M52440ASP PDF Datasheet Download