These devices offer uni/bi-directional port protection from 5.0 volts to 220 volts. They provide a clamping voltage low.

3KP11C

3KP11CA-G

3KP11CA-HF

3KP11CA-LF

3KP11

3KP110

3KP110A

3KP110A-G

3KP110A-HF

3KP110A-LF

3KP110C

3KP110CA

3KP110CA-G