ESDA18-1F2 STMicroelectronics

ESDA18-1F2 Transil, transient voltage suppressor Features Stand-off voltage 16V Unidirectional device Low clamping factor V /V CL BR Fast response time Very thin package: 0.65 mm Flip Chip Complies with the following standards (4 bumps) IEC 61000-4-2 Level 4 15 kV (air discharge) 8 kV (contact discharge) Figure 1. Pin configuration (bump side) Description A B The ESDA18-1F2 is a single line Transil diode 1 designed specifically for the protection of integrated circuits into portable equipment and K A miniaturized electronics devices subject to ESD 2 and EOS transient overvoltages. K A KA TM: Transil is a trademark of STMicroelectronics. April 2008 Rev 2 1/8 www.st.com 8Characteristics ESDA18-1F2 1 Characteristics Table 1. Absolute ratings (limiting value, per diode) Symbol Parameter and test conditions Value Unit Peak pulse power dissipation 100 10 / 1000 s pulse P T initial = T W PP j amb Peak pulse power dissipation 700 8 / 20 s pulse t =10 ms p I Non repetitive surge peak forward current 8A FSM T initial = T j amb T Maximum operating junction temperature 125 C j T Storage temperature range - 65 to + 175 C stg Table 2. Electrical characteristics (T = 25 C) amb Symbol Parameter I IF V Breakdown voltage BR I Leakage current RM V F V Stand-off voltage RM V V V CL BR RM V IRM V Clamping voltage CL R Dynamic impedance d I Peak pulse current Slope: 1/Rd PP IPP C Capacitance (1) (2) V I V V I V TC BR RM RM CL PP F I max. max. typ. R Order min. max. max. max. number I = 850 mA V =0 V F R -4 VV mA A V V A V 10 /C pF ESDA18-1F2 16 18 1 0.5 10 20 1 1.3 8.5 230 1. 8 / 20 s pulse waveform. 2. A DC current is not recommended for more than 5 sec. Even if Transil failure mode is short circuit the bumps could exceed melting temperature and the component disassembled from the board. 2/8