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ITA18B1 Datasheet(PDF) 1 Page - STMicroelectronics |
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ITA18B1 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 7 page November 2007 Rev 2 1/7 7 ITAxxB1 Bidirectional Transil™ array for data line protection Features ■ High surge capability Transil array: IPP = 40 A (8/20 µs) ■ Peak pulse power: 300 W (8/20 µs) ■ Up to 5 bidirectional Transil functions ■ Low clamping factor (VCL / VBR) at high current level ■ Low leakage current ■ ESD protection up to 15 kV Complies with the following standards ■ IEC 61000-4-2 level 4 – 15 kV (air discharge) – 8 kV (contact discharge) ■ MIL STD 883G- Method 3015-7: class 3B – 25 kV (human body model) Applications Differential data transmission line protection, such as: ■ RS-232 ■ RS-423 ■ RS-422 ■ RS-485 Description Transil diode arrays provide high overvoltage protection by clamping action. Their instantaneous response to transient overvoltages makes them particularly suited to protect voltage sensitive devices such as MOS technology and low voltage supplied IC’s. The ITA series combines high surge capability against energetic pulses with high voltage performance against ESD. TM: Transil is a trademark of STMicroelectronics Figure 1. Functional diagram SO-8 1 2 3 4 I/O1 I/O2 I/O3 I/O4 GND GND 8 7 6 5 www.st.com |
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