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UVLED370-10E bảng dữ liệu(PDF) 6 Page - Roithner LaserTechnik GmbH |
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UVLED370-10E bảng dữ liệu(HTML) 6 Page - Roithner LaserTechnik GmbH |
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6 / 6 page ![]() 17.08.2010 uvled370_10e.doc 6 of 6 4. Static Electricity • The LEDs are very sensitive to Static Electricity and surge voltage. So it is recommended that a wrist band or an anti-electrostatic glove be used when handling the LEDs. • All devices, equipment and machinery must be grounded properly. It is recommended that precautions should be taken against surge voltage to the equipment that mounts the LEDs. 5. Heat Generation • Thermal design of the end product is of paramount importance. Please consider the heat generation of the LED when making the system design. The coefficient of temperature increase per input electric power is affected by the thermal resistance of the circuit board and density of LED placement on the board, as well as other components. It is necessary to avoid intense heat generation and operate within the maximum ratings given in the specification. • The operating current should be desided after sonsidering the ambient maximum temperature of LEDs. 6. Storage • The LEDs should be stored at 30°C or less and 70%RH or less after being shippedand the sorage life limits are 3 months. If the LEDs are stored for 3 months or more, they can be stored for a year in a sealed container with nitrogen atmosphere and moisture absorbent material. • LED leads are gold okated Iron alloy. The gold surface may be affected by environments which contain corrosive substances. Please avoid conditions which may cause the LED to corrode, tarnish or discolor. This corrosion or discoloration may cause difficulty during soldering operations. It is recommended that the LEDs be used as soon as possible. • Please avoid rapid transistions in ambient temperature, especially in high humidity environments where condensation can occur. |
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