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THBT20011D Datasheet(PDF) 1 Page - STMicroelectronics |
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THBT20011D Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 10 page February 2008 Rev 8 1/10 10 THBT15011, THBT20011, THBT27011 Tripolar overvoltage protection for telecom line Features ■ Bidirectional crowbar protection between tip and gnd, ring and gnd and between tip and ring ■ Peak pulse current: IPP = 30 A for 10/1000 µs surge ■ Holding current: IH = 150 mA Complies with Telcordia standards ■ Telcordia GR-1089-Core, (second level) with line series resistors – 10/1000 µs, 1000 V – 2/10 µs, 2500 V (first level) – 2/10 µs, 5000 V Description Dedicated to telecommunication equipment protection, these devices provide a triple bidirectional protection function. They ensure the same protection capability with the same breakdown voltage both in longitudinal mode and transversal mode. A particular attention has been given to the internal wire bonding. The “4-point” configuration ensures a reliable protection, eliminating overvoltages introduced by the parasitic inductances of the wiring (Ldi/dt), especially for very fast transient overvoltages. Dynamic characteristics have been defined for several types of surges, in order to meet the SLIC maximum ratings. Figure 1. Schematic diagram SO-8 2 GND 3 GND 1 TIP 4 RING 7 GND 6 GND 8 TIP 5 RING www.st.com |
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