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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VSC8541-02 датащи(PDF) 97 Page - Microchip Technology |
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VSC8541-02 датащи(HTML) 97 Page - Microchip Technology |
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97 / 101 page  Package Information VMDS-10513 VSC8541-02 Datasheet Revision 4.1 88 PCB). For more information about the thermal measurement method used for this device, see the JESD51-1 standard. To achieve results similar to the modeled thermal measurements, the guidelines for board design described in the JESD51 family of publications must be applied. For information about applications using QFN packages, see the following: • JESD51-2A, Integrated Circuits Thermal Test Method Environmental Conditions, Natural Convection (Still Air) • JESD51-6, Integrated Circuit Thermal Test Method Environmental Conditions, Forced Convection (Moving Air) • JESD51-8, Integrated Circuit Thermal Test Method Environmental Conditions, Junction-to-Board • JESD51-7, High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages • JESD51-5, Extension of Thermal Test Board Standards for Packages with Direct Thermal Attachment Mechanisms 7.3 Moisture Sensitivity This device is rated moisture sensitivity level 3 or better as specified in the joint IPC and JEDEC standard IPC/JEDEC J-STD-020. For more information, see the IPC and JEDEC standard. Table 118 • Thermal Resistances Symbol °C/W Parameter θJCtop 19.3 Die junction to package case top θJB 6.6 Die junction to printed circuit board θJA 26.6 Die junction to ambient θJMA at 1 m/s 20.0 Die junction to moving air measured at an air speed of 1 m/s θJMA at 2 m/s 19.0 Die junction to moving air measured at an air speed of 2 m/s |
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