NF20AA0259M--
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48320631-NF20AA0259M--
ICL 2.5 OHM 20% 7.8A 20MM
the distance between two baselines of lines of type. The word 'leading' originates from the strips of lead hand-typesetters used to use to space out lines of text evenly. The word leading has stuck, but essentially it's a typographer's term for line spacing.