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QFN-48-1EP_6x6mm_P0.4mm_EP4.6x4.6mm_ThermalVias

Free PCB footprint for QFN-48-1EP_6x6mm_P0.4mm_EP4.6x4.6mm_ThermalVias, QFN, 48 Pin (http://infocenter.nordicsemi.com/pdf/nRF51822_PS_v3.3.pdf#page=67). Preview it below, download the KiCad files, or open it straight in ProtoFlow.