Protection for T1/E1/E3 systems with low-voltage triple TISP

25 September 2002 Circuit & System Protection

Bourns has introduced the TISP70xxD series of thyristor integrated surge protectors. With high-speed data access systems gaining more importance in the modern world of telecommunications, Bourns has developed two new triple thyristor surge protectors ideal for T1/E1/E3, xDSL and high-speed data line protection.

With working voltages of 8 and 28 V (TISP7015D) and protection voltages of 15 and 38 V (TISP7038D), these devices can protect against both transverse mode (metallic) and common-mode (longitudinal) surges. The TISP70xxD products are guaranteed to withstand 40 A 10/700 surges applied to both tip and ring terminals simultaneously.

These devices also benefit from low off-state capacitance, making them suited for use in low-voltage, high-speed transmission systems. This low capacitance reduces the overall equivalent capacitance on the data lines and also reduces the risk of transformer saturation.

The TISP70xxD devices are supplied in 8-pin surface mount SOIC package which offers a creepage and clearance distance of greater than 2 mm between the tip, ring and ground terminals in accordance with IEC 60950 and UL 1950.

For more information contact Avnet Kopp, 011 809 6100, [email protected], www.avnet.co.za

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