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Test LED Track Light Chip Temperature Chage

Test LED Track Light Chip Temperature Chage

LED tracklight Indirect measurement of junction temperature change by half hour illuminance method. From the curve of luminous flux vs junction temperature, it can be seen from this curve that the luminous flux decreases by how many lumens, and it can be indirectly learned that the LED junction temperature rises to how many degrees celsius.

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LED tracklight Indirect measurement of junction temperature change by half hour illuminance method.

AL-TL0628(主图A19)tracklight

From the curve of luminous flux vs junction temperature, it can be seen from this curve that the luminous flux decreases by how many lumens, and it can be indirectly learned that the LED junction temperature rises to how many degrees celsius.

OSRAM1

When OSRAM S5(3030)Chip the luminous flux decreases by 20% at 25℃, the junction temperature is over 120 centigrade.

OSRAM2

When OSRAM S8(5050)Chip the luminous flux decreases by 20% at 25℃, the junction temperature is over 120 centigrade.

OSRAM3

When OSRAM E5(5630)Chip the luminous flux decreases by 20% at 25℃, the junction temperature is over 140 centigrade.

AL-TL0628(主图B1)track light

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