... ,LD-370,LD-380/385,LD-540,LD-550 Typical Application of Small DC Motors:*Audio and Visual Equipment such as CD ... Closer,Power.*Any other possible applications.main series of small DC Motors:LD-030,LD-050,LD-140,LD-170,LD ... -370,LD-380/385,LD-540,LD-550/555LD-750,LD-775,LD-7712,LD-997,LD-1200,LD-D7010 Small DC Motor