Patch storage capacitance preventive measures to keep the terminal electrode weldability and keep the packaging materials in good condition, must pay attention to control the temperature and humidity of the storage area.
Humidity should be kept as low as possible in particular.
Recommended conditions must be kept under 40 ℃ ambient temperature.
Even under ideal conditions of storage capacitor
weldability will with the passage of time, should be used within 6 months after the date of delivery of capacitor.
Ceramic chip capacitors should be stored in the air there is no chlorine or sulfur.
Environmental temperature, humidity: below 30 ℃ relative humidity below 70%, high dielectric constant capacitance of capacitor will decreases gradually with the passage of time, and therefore should be extra careful when designing circuit.
Even if the capacitance value decreases with the passage of time, through heat treatment under 150 ℃ for 1 hour, capacitance will also return to the initial value.
Technical note if the capacitor stored in high temperature and high humidity environment, may be due to the terminal oxidation and tap/packaging material quality loss and quickly lead to poor solderability.
So should be used within 6 months after the date of delivery of capacitor.
If exceed the time limit mentioned above, please check before using capacitor solderability.
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