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IS1871 数据表(PDF) 28 Page - Microchip Technology |
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IS1871 数据表(HTML) 28 Page - Microchip Technology |
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28 / 44 page ![]() IS1870/71 DS60001371C-Page 28 2015-2016 Microchip Technology Inc. 5.2 260 ℃ Reflow Profile Figure 5-3 illustrates the reflow profile and the following are its specific features: • Standard Condition: IPC/JEDEC J-STD-020 • Preheat: 150~200 ℃ ~60~120 seconds • Average ramp-up rate (+217 ℃ to peak): +3℃/sec max • Temperature maintained above 217: 60~150 sec- onds • Time within +5 ℃ of peak temperature: 30 ~ 40 seconds • Peak temperature: 260 +5/-0 ℃ • Ramp-down rate (peak to +217 ℃): +6℃/sec. max •Time +25 ℃ to peak temperature: 8 minutes max • Cycle interval: 5 minutes FIGURE 5-3: REFLOW PROFILE IS1870SF_IS1871SF.book Page 28 Thursday, March 31, 2016 10:29 AM |
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