Part Number : BA4918
Function : SIP-M12 / Vcc: 36V
Manufacturers : Unspecified
Pinouts : 
Description :
Reference site :
http://regi.hqelektronika.hu/info/hu/ba4918.html
http://tinypic.com/view.php?pic=205bkm9&s=6#.U7YJN53lKUk
http://monitor.net.ru/forum/pioneer-deh-p3950mp-info-397713.html
BA4918 Datasheet PDF Download
Other data sheets within the file : BA4918, BA4918-V12