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SC14CVMDECT-SF датащи(PDF) 52 Page - Dialog Semiconductor |
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SC14CVMDECT-SF датащи(HTML) 52 Page - Dialog Semiconductor |
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52 / 57 page ![]() Datasheet Revision 3.0 28-Jul-2015 CFR0011-120-00-FM Rev 5 52 of 57 © 2013 Dialog Semiconductor SC14CVMDECT SF Cordless Voice Module FINAL 11.0 Package information 11.1 SOLDERING PROFILE The SC14CVMDECT SF should be soldered using a lead-free reflow soldering profile as shown below. Adjustments to the profile may be necessary depend- ing on process requirements. Recommended solder paste for lead-free soldering: Sn 96.5 % - Ag 3.0 % - Cu 0.5 %. 11.2 MOISTURE SENSITIVITY LEVEL (MSL) The MSL is an indicator for the maximum allowable time period (floor life time) in which a moisture sensi- tive plastic device, once removed from the dry bag, can be exposed to an environment with a maximum tem- perature of 30°C and a maximum relative humidity of 60% RH. before the solder reflow process. The SC14CVMDECT SF is qualified to MSL 3. Figure 39: Reflow profile (lead-free) Time 217 °C 25 °C Slope: 1~2 °C/s max. (217 °C to peak) Ramp down rate: max. 3 °C/s Peak temperature: 250 °C +5/-0 °C 245 °C Temperature >30 s 60 ~ 150 s 60 ~ 120 s Preheat: 150 ~ 200 °C MSL Level Floor Life Time MSL 4 72 hours MSL 3 168 hours MSL 2A 4 weeks MSL 2 1 year MSL 1 Unlimited at 30 °C/85 % RH |
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