Data Sheet

Table Of Contents
TI Confidential NDA Restrictions
ADVANCEINFORMATION
58
CC3135MOD
SWRS225A FEBRUARY 2019REVISED AUGUST 2019
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Environmental Requirements and SMT Specifications Copyright © 2019, Texas Instruments Incorporated
(1) For details, refer to the solder paste manufacturer's recommendation.
8.6 Soldering and Reflow Condition
Heating method: Conventional convection or IR convection
Temperature measurement: Thermocouple d = 0.1 mm to 0.2 mm CA (K) or CC (T) at soldering
portion or equivalent method
Solder paste composition: SAC305
Allowable reflow soldering times: 2 times based on the reflow soldering profile (see Figure 8-1)
Temperature profile: Reflow soldering will be done according to the temperature profile (see
Figure 8-1)
Peak temp: 260°C
Figure 8-1. Temperature Profile for Evaluation of Solder Heat Resistance of a Component
(at Solder Joint)
Table 8-1. Temperature Profile
Profile Elements Convection or IR
(1)
Peak temperature range 235 to 240°C typical (260°C maximum)
Pre-heat / soaking (150 to 200°C) 60 to 120 seconds
Time above melting point 60 to 90 seconds
Time with 5°C to peak 30 seconds maximum
Ramp up < 3°C / second
Ramp down < -6°C / second
NOTE
TI does not recommend the use of conformal coating or similar material on the SimpleLink
module. This coating can lead to localized stress on the WCSP solder connections inside the
module and impact the device reliability. Use caution during the module assembly process to
the final PCB to avoid the presence of foreign material inside the module.