The ECAS series is RoHS compliant and rated at MSL 3. It is shipped in moisture-proof packaging and can be stored under normal warehouse conditions. The capacitors should be kept dry using desiccators or other methods after unsealing the moisture-proof packaging. If more than 2 weeks has passed under the designated storage environment specified in the spec after unsealing the packaging, it is recommended that voltage should be applied and baked under said conditions.