ST’s lightning surge protection devices are available as discrete or integrated solutions and comply with well-known telecom standards throughout the world:
- Telcordia GR-1089 core and TIA-968-A (formerly FCC part 68) for the Americas
- ITU-T K series for the rest of the world
- YDT series for China which is based on the ITU-T K standards
ST’s power surge and overcurrent protectors, including crowbar diodes and ICs, or Trisils™, bring immunity and reliability to both general and specific telecom equipment, covering twisted pairs, CO/CP, set-top boxes, gateways, line cards, T1/E1, Ethernet, EPON, GPON, XDSL modems and voice band protection where lightning surges can cause damage.
In addition, a variety of packages are provided, bringing flexibility to designers and reliability to the application.

Featured Videos
This video is presenting ESD protections and Integrated Passives around the MCU
Introduction to surges – EOS and ESD – definition, standards, effects and root cause