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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMD3721 датащи(PDF) 80 Page - OSRAM GmbH |
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TMD3721 датащи(HTML) 80 Page - OSRAM GmbH |
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80 / 89 page  Datasheet, Public Page 79 [v3-00] 2023-May-26 Document Feedback TMD3721 − Soldering & Storage Information Figure 113: Solder Reflow Profile Graph Storage Information Moisture Sensitivity Optical characteristics of the device can be adversely affected during the soldering process by the release and vaporization of moisture that has been previously absorbed into the package. To ensure the package contains the smallest amount of absorbed moisture possible, each device is baked prior to being dry packed for shipping. Devices are dry packed in a sealed aluminized envelope called a moisture-barrier bag with silica gel to protect them from ambient moisture during shipping, handling, and storage before use. Shelf Life The calculated shelf life of the device in an unopened moisture barrier bag is 24 months from the date code on the bag when stored under the following conditions: • Shelf Life: 24 months • Ambient Temperature: <40°C • Relative Humidity: <90% Rebaking of the devices will be required if the devices exceed the 24 months shelf life or the Humidity Indicator Card shows that the devices were exposed to conditions beyond the allowable moisture region. Not to Scale – For Reference Only TP Time (seconds) tL TL TC - 5°C tP 25 Tsmin Tsmax Preheat Area Max Ramp Up Rate = 3°C/s Max Ramp Down Rate = 6°C/s |
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