| Series | Description | |
 | SMD 0603 SERIES | Small size of 0603 tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 0805 SERIES | Small size of 0805, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 1206 SERIES | Small size of 1206, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 1210 SERIES | Small size of 1210, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 1812 SERIES | Small size of 1812, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 2016 SERIES | Small size of 2016, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | SMD 2920 SERIES | Small size of 2920, Fast tripping resettable circuit protection, Surface mount packaging for automated assembly, Agency recognition:UL SGS | |
 | BK16 SERIES | I(hold): 3.0~14A, Radial leaded devices, Cured,flame retardant epoxy polymer insulating, material meets UL94 V-0 requirement, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK30 SERIES | I(hold): 0.9~9.0A, Radial leaded devices, Cured,flame retardant epoxy polymer insulating, material meets UL94 V-0 requirement, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK60 SERIES | I(hold): 0.05~3.75A, Radial leaded devices, Cured,flame retardant epoxy polymer insulating, material meets UL94 V-0 requirement, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK90 SERIES | I(hold): 0.15~0.9A, Radial leaded devices, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK130 SERIES | I(hold): 0.1~1.35A, Radial leaded devices, Cured,flame retardant epoxy polymer insulating, material meets UL94 V-0 requirement, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK250 SERIES | I(hold): 30~800mA, Radial leaded devices, Cured,flame retardant epoxy polymer insulating, material meets UL94 V-0 requirement, Available in lead-free version, Agency Recognition: UL SGS | |
 | BK600 SERIES | I(hold): 110~160mA, Radial leaded devices, Very high voltage surge capabilities, Available in lead-free version, Agency Recognition: UL SGS | |