无铅返工兼容:依据J-STD-033,列表4.2中元件从干燥或烘烤取出后应能在260度,8小时之内完成重工。如果元件无法满足此返工要求或者无法使用260度重工,则此元件应由制造商特殊标明. ??? 4.2 ReclassificationSMD packages previously classified to a moisture sensitivity level and classification temperature (Tc)may be...
联合工业标准IPC/JEDEC J-STD-020D.1 2008 年 3 月取代 IPC/JEDEC J-STD-020D 2007 年 8 月非密封型固态表面贴装组件的 湿度/回流焊敏感性分类声明 IPC与JEDEC标准及出版物的设计用意是消除制造商与买方之间的误解, 促进产品 的交换性与改善产品, 协助买方在最小延误下选出并取得适当的产品, 满足自己 的...
J-STD-020D[1].1中文版
J-STD-020D(中英文对照版).pdf,J-STD-020D Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices / 1 PURPOSE( The purpose of this standard is to identify the classification level of nonhermetic solid state surface moun
SMD packages classified to a given moisture sensitivity level by using Procedures or Criteria defined within any previous version of J-STD-020, JESD22-A112 (rescinded), or IPC-SM-786 (rescinded) do not need to be revision unless a change in classification level or a higher peak classificatio...
1、J-STD-020DMoisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices非密封固态表面贴装元件湿度/回流焊敏感度分级1 PURPOSE(目的)The purpose of this standard is to identify the classification level of nonhermetic solid state surface mount devices (SMDs) that are ...
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J-STD-020D(中英文对照版).docx,J-STD-020D Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices 非密封固态表面贴装元件湿度/回流焊敏感度分级 1 PURPOSE(目的) The purpose of this standard is to identify the classificat
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jixianhu 参与任务:35件 被采纳率:23% 2024-09-01 22:50:53 IPC JEDEC J-STD-020F-2022 CN [大小:8.67 MB ] [页数:45 ] 详情: 中文可编辑 jixianhu 参与任务:35件 被采纳率:23% 2024-09-01 21:55:48 IPC JEDEC J-STD-020F-2022 CN [大小:3.1 MB ] [页数:45 ] 不可编辑 高...