ESDA25W STMicroelectronics

ESDAxxxWx TRANSIL array for data protection Main applications Where transient overvoltage protection in ESD sensitive equipment is required, such as : SOT323-3L SOT323-5L SOT323-6L Computers Printers Order codes Communication systems Cellular phones handsets and accessories Part Numbers Marking Wireline and wireless telephone sets ESDA6V1W5 E61 Set top boxes ESDA6V1-5W6 E62 Features ESDA25W E25 ESDA25W5 E25 2 up to 5 Unidirectional Transil functions Breakdown voltage: ESDA25W Functional diagram V = 6.1 V min. and 25 V min. BR Low leakage current: < 1 A 2 1 Very small PCB area < 4.2 mm typically 3 Description 2 The ESDAxxxWx are monolithic suppressors designed to protect components connected to data and transmission lines against ESD. ESDA6V1W5/ESDA25W5 Functional diagram These devices clamp the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients. 15 2 Benefits 34 High ESD protection level: up to 25 kV High integration ESDA6V1-5W6 Functional diagram Complies with the following standards IEC61000-4-2 1 6 Level 4 15 kV (air discharge) 8 kV(contact discharge) 2 5 4 3 MIL STD 883E - Method 3015-7 Class 3 25 kV HBM (Human Body Model) Rev 2 August 2005 1/11 www.st.com 111 Characteristics ESDAxxxWx 1 Characteristics Table 1. Absolute Ratings (T = 25C) amb Symbol Parameter Value Unit ESDA25W 400 P Peak pulse power (8/20 s) ESDA25W5 / ESDA6V1W5 150 W PP ESDA6V1-5W6 100 T Junction temperature 125 C j T Storage temperature range -55 to +150 C stg T Maximum lead temperature for soldering during 10s 260 C L ESDA25W / ESDA25W5 / -40 to +125 (1) ESDA6V1W5 T C op Operating temperature range ESDA6V1-5W6 -40 to +125 1. The values of the operating parameters versus temperature are given through curves and T parameter. 1.1 Electrical Characteristics (T = 25C) amb Symbol Parameter V Stand-off voltage RM I I F V Breakdown voltage BR V Clamping voltage CL I Leakage current RM V F I Peak pulse current V V V PP CL BR RM V I RM I Reverse leakage current R I Forward current F T Voltage temperature coefficient Slope: 1/R d V Forward voltage drop F I PP C Capacitance R Dynamic resistance d 2/11