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Topic:Application Notes For Multilayer Ceramic Capacitors - Storage
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Ceramic chip capacitors should be stored in normal working environments. While the chips themselves are quite robust in other environments, solder ability will be degraded by exposure to high temperatures, high humidity, corrosive atmospheres, and long term storage. In addition, packaging materials will be degraded by high temperature – reels may soften or warp, and tape peel force may increase. Kingtronics International Company recommends that maximum storage temperature not exceed 40℃, and maximum storage humidity not exceed 70% relative humidity. In addition, temperature fluctuations should be minimized to avoid condensation on the parts, and atmospheres should be free of chlorine and sulfur bearing compounds. For optimized solder ability, chip stock should be used promptly, preferably within 1.5 years of receipt
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