Storage, Manufacturing And Packaging; Storage; Manufacturing And Soldering - Quectel SC200L-EM Hardware Design

8 Storage, Manufacturing and Packaging

8.1 Storage

SC200L is stored in a vacuum-sealed bag. It is rated at MSL 3, and its storage restrictions are shown
as below.
1. Recommended storage conditions: temperature 23 ± 5 °C, and relative humidity 35% ~ 60%.储
2. Under the recommended storage conditions, the module can be stored in a vacuum sealed bag
for 12 months.
3. Under workshop conditions with a temperature of 23 ±5 °C and a relative humidity of less than
60%, the workshop life of the module after unpacking is 168 hours 1). Under this condition, the
module can be directly subjected to reflow production or other high-temperature operations.
Otherwise, the module needs to be stored in an environment with a relative humidity of less than
10% (for example, a moisture-proof cabinet) to keep the module dry.
4. If the module is in the following conditions, the module needs to be pre-baked to prevent the
PCB from blistering, cracks and delamination after the module absorbs moisture and is then
soldered at high temperature:
 The storage temperature and humidity do not meet the recommended storage conditions
 The module failed to complete production or storage according to Article 3 above after
unpacking;
 Leakage of vacuum packaging, bulk materials;
 Before returning the module for repair.
5. Baking treatment of the module:
 It needs to be baked at a high temperature of 120 ±5 °C for 8 hours;
 The second-baked module must be soldered within 24 hours after baking, otherwise it still
needs to be stored in a dry box.

9.2 Manufacturing and Soldering

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SC200L Hardware Design
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