T H Y R I S T O R S U R G E P R O T E C T O R S Bourns Releases New TISP4S Series Single Bidirectional Thyristor Surge Protectors Riverside, California - TO BE RELEASED OCTOBER 3, 2012 - Bourns is pleased to announce the release of the Model TISP4SxxxyyBJR-S Series Single Bidirectional Thyristor Surge Protectors, designed to limit overvoltages on telephone lines. A single Model TISP4S device provides 2-point protection and is typically used for the protection of 2-wire telecommunication equipment (e.g., between the Ring and Tip wires for telephones and modems). In addition to Bourns’ comprehensive portfolio of thyristors, the new family of TISP® products was designed to provide excellent circuit protection for cost-sensitive applications. The Bourns® Model TISP4SxxxyyBJR-S Overvoltage Protector Series consists of a symmetrical voltage- triggered bidirectional thyristor, provided in a space-saving surface mount SMB package. The model series meets industry standard requirements for RoHS compliancy* and Pb Free solder refl ow profi les. Combinations of devices can be used for multi-point protection (e.g. 3-point protection between Ring, Tip and Ground). The product offering is listed on page 2 by protection voltage and surge current rating. Features Applications ■ Space saving design ■ Telecommunications ■ SMB (DO-214AA) package ■ Meets Pb free solder refl ow profi les ■ RoHS compliant* *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. TSP1209

Bourns Releases New TISP4S Series Single Bidirectional Thyristor Surge Protectors TO BE RELEASED OCTOBER 3, 2012 Page 2 of 2 Standoff Protection Holding Ratings for Lightning Surge Standards - Package Device Number Voltage Voltage Current GR-1089-CORE 10/1000 μs Options (V) (V) (mA) (A) TISP4S040L1BJR-S SMB ±25 ±40 50 30 TISP4S040M1BJR-S SMB ±25 ±40 50 50 TISP4S077M3BJR-S SMB ±58 ±77 150 50 TISP4S088M3BJR-S SMB ±65 ±88 150 50 TISP4S098M3BJR-S SMB ±75 ±98 150 50 TISP4S160M3BJR-S SMB ±120 ±160 150 50 TISP4S180M3BJR-S SMB ±140 ±180 150 50 TISP4S240M3BJR-S SMB ±180 ±240 150 50 TISP4S260M3BJR-S SMB ±190 ±260 150 50 TISP4S300M3BJR-S SMB ±220 ±300 150 50 TISP4S350M3BJR-S SMB ±275 ±350 150 50 TISP4S350T3BJR-S SMB ±275 ±350 150 80 TISP4S400M3BJR-S SMB ±300 ±400 150 50 The product data sheet with detailed specifi cations can be viewed on the Bourns website at www.bourns.com. If you have any questions, please contact our customer service teams in your region.