LITTELFUSE

The SIDACtor® Primary Protection Series Modified TO-220 are thyristor devices designed for use in primary protection applications. The series provides a single port overvoltage solution that enables applications to comply with GR-974 and a range of other global regulatory standards. Please contact Littelfuse to discuss your particular application and regulatory requirements. Standards GR-947 UL 497 ITU K.28

Pxxx2SxL Series Two-Chip SIDACtor® DO-214AA are very low capacitance SIDACtor® Protection thyristors designed to protect broadband ICT equipment such as VoIP, xDSL modems and DSLAMs from damaging overvoltage transients. This series provides a surface mount solution that enables equipment to comply with global regulatory standards, while limiting the impact to broadband signals.Applicable Global Standards: TIA/968-A/B ITU K.20/21/45 IEC 61000-4-5 2nd edition GR 1089 Intra-building YD/T 1082 YD/T 993 YD/T 950 ITU K.20/21/45 Enhanced GR 1089 Inter-building

The SMF4L series of SOD-123FL small and flat lead lowprofile plastic package is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.