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ESDA25LY Datasheet(PDF) 1 Page - STMicroelectronics |
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ESDA25LY Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 10 page  February 2010 Doc ID 16914 Rev 1 1/10 10 ESDA25LY Automotive dual Transil™ array for ESD protection Features ■ 2 Unidirectional Transil functions ■ Low leakage current: 1 µA @ 24 V ■ 300 W peak pulse power (8/20 µs) Benefits ■ High ESD protection level: up to 25 kV ■ High integration ■ Suitable for high density boards 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 – (human body model) Applications Where transient overvoltage protection in ESD sensitive equipment is required, such as : ■ Computers ■ Printers ■ Communication systems and cellular phones It is particulary recommended for the RS232 I/O port protection where the line interface withstands only with 2 kV ESD surges. Figure 1. Functional diagram Description The ESDA25LY is a dual monolithic voltage suppressor designed to protect components which are connected to data and transmission lines against ESD. It clamps the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients. It can also work as bidirectionnal suppressor by connecting only pin1 and 2. TM: Transil is a trademark of STMicroelectronics. A.S.D.™= Application Specific Discretes SOT23-3L 1 2 3 1 2 3 www.st.com |
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