These are cmmon mode choke colis which are available for VCR, TV, POS terminals ,Game machines ,Word Processors etc. toprevent noise complies with UL Electrical Appliance standards.

• 这种对称型扼流线圈与非对称型扼流线圈主要用在：VCR，TV，POS终端机，游戏机，办公自动化等设备中，完全符合UL等安全规则。