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Thermal Design Considerations for the Nichia NCSWE13x, NCSxE17x, or NVSxE21x Series LEDs

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Thermal Design Considerations for the Nichia NCSWE13x, NCSxE17x, or NVSxE21x Series LEDs

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Thermal design is very important for LEDs since it determines the optical and electrical characteristics (e.g. luminous flux, forward voltage, etc.) of the LEDs and it even affects the lifetime of the LEDs. When performing a thermal evaluation, check how high the junction temperature of the LED will be when the LED is operated in the conditions/environments in which the LED will actually be used. Nichia’s NCSWE13x, NCSxE17x, and NVSxE21x LEDs are much smaller in size than other LEDs that produce the same amount of light energy and they have a high luminous flux density. Note that the thermal design may be challenging since the input power per unit area of the package for the LEDs is higher than for conventional LEDs.

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