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NVSW309AT датащи(PDF) 8 Page - NICHIA CORPORATION |
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NVSW309AT датащи(HTML) 8 Page - NICHIA CORPORATION |
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8 / 41 page ![]() NICHIA STS-DA1-4490B <Cat.No.170321> 7 Rank sm6570a Rank sm6570b Rank sm6570c Rank sm6570d Rank sm6570e Rank sm6570f Color Temperature (Unit: K) TCP 6500 Center Point x 0.3123 y 0.3282 Minor Axis a 0.006321 Major Axis b 0.015309 Ellipse Rotation Angle Φ -32.35 * Ranking at TJ=25°C and measured in pulse mode. * Forward Voltage Tolerance: ±0.05V * Luminous Flux Tolerance: ±7% * Color Rendering Index Ra Tolerance: ±2 * Color Rendering Index R9 Tolerance: ±6.5 * The R9 value for the above rank shall be greater than 0. * Chromaticity Coordinate Tolerance: ±0.005 * LEDs from the above ranks will be shipped. The rank combination ratio per shipment will be decided by Nichia. Definition of the MacAdam ellipse ranks: 60 ° Φ a b A perfect circle is divided into 60 degree-sections and then transformed into the MacAdam ellipse that is presented on the chromaticity diagram in this document. |
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