Moisture-Sensitive-Devices-(MSD)-Training原版完整课件VIP免费

Moisture Sensitive Devices (MSD) Training2ContentsWhat does MSD mean?Component failure caused by moistureSymbol and labelHow to handle with MSD?How to protect with MSD?3Definition1. DRY PACK – The components packed inside a Moisture Barrier Bag with desiccant material, a Humidity Indicator Card and vacuum sealed.2. HIC – Humidity Indicator Card3. MSL – Moisture Sensitive Level4. MBB – Moisture Barrier Bag5. MSD – Moisture Sensitive Device6. MSID Label – Moisture Sensitive Identification Label4Component failure mechanismComponent OKComponent absorbs moisture after packing openingMoisture expands under reflow processComponent damage5Moisture Classification Level and FLLevelFloor Life (out of bag) at Factory Ambient 30oC/60%RH or as Stated1Unlimited at 30oC/85%RH21 year2a4 weeks3168 hours472 hours548 hours5a24 hours6Mandatory bake before use. After bake, must be reflowed within the time limit specified on the label.Moisture Classification Level and Floor Life6Symbol and LabelsMoisture sensitive symbolThis symbol indicates that devices are moisture sensitive to a level from 2 to 6 and it appears on all moisture sensitive caution labelsMoisture sensitive symbol7Symbol and LabelsMoisture sensitive Identification (MSID) labelThis label should be on the lowest level shipping container to indicate that moisture sensitive devices are in the container.MSID Label8Symbol and LabelsMoisture sensitive labelLevel 1 labelThis label is required only if the classification temperature is 235C and shall be placed on the lowest level shipping container to identify the devices as “NOT MOISTURE SENSITIVE”Moisture sensitive caution label for level 19Symbol and LabelsMoisture sensitive labelLevels 2-5aThe moisture-sensitive caution label shall be us...