4 points that should be paid attention to when soldering SMD LED lamp beads
1. Clean
Do not use unknown chemical liquids to clean SMDLEDs: Unknown chemical liquids may damage SMDLEDs. When cleaning is necessary, immerse the SMDLED in alcohol for less than 1 minute at normal room temperature and let it dry naturally for 15 minutes before starting to use.
2. Anti-moisture
Packaging In order to prevent the product from absorbing moisture during transportation and storage, the packaging of SMDLED is packaged in a moisture-proof aluminum packaging bag, and the packaging bag contains a desiccant and a humidity card. The desiccant mainly controls the humidity in the packaging bag, and the humidity card is mainly used. To monitor the humidity in the packaging bag.
3. Storage
a) After the packaging bag is sealed, it is stored under the condition that the temperature is <40℃, the humidity is <90%RH, and the storage period is 12 months. When the shelf life is exceeded, it needs to be re-baked;
b) Before opening the package, please check the packaging bag for air leakage. If there is air leakage, please re-bake it before using it;
c) After opening, please use it under the following conditions: temperature <30℃, humidity below 60%RH; if the use time exceeds 24 hours, the following baking treatment must be done before use;
d) Baking conditions: the temperature of the product in the oven is 70℃±5℃; relative humidity≤10%RH, time: 24 hours;
e) Take the product out of the bag and bake it. Do not open the oven door during baking.
4. Welding
a) The soldering iron used must be less than 25W, the temperature of the soldering iron must be kept below 315°C, and the soldering time must not exceed 2 seconds;
b) The soldering iron cannot touch the epoxy resin part;
c) After soldering, let it cool down to a temperature lower than 40℃ before packing.
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