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RA32E1-RUT-FR Arkusz danych(PDF) 17 Page - SHENZHEN REFOND OPTOELECTRONICS CO.,LTD. |
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RA32E1-RUT-FR Arkusz danych(HTML) 17 Page - SHENZHEN REFOND OPTOELECTRONICS CO.,LTD. |
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17 / 20 page ![]() Tel: +86-755-66839118 Fax:+86-755-66839300 E-mail:uvsales@refond.com W eb: www.refonduv.com PAGE:17 REFOND:WI-E-045 A/3 REV:E/3 TG-201709070731NP Fig 4-1 Operate Method (5) In designing a circuit, the current through each LED can not exceed the absolute maximum rating specified for each LED. In the meanwhile,resistors for protection should be applied, otherwise slight voltage shift will cause big current change,burn out may happen. The driving circuit must be designed to allow forward voltage only when it is ON or OFF.If the reverse voltage is applied to LED, migration can be generated resulting in LED damage. (6) Thermal Design is paramount importance because heat generation may result in the Characteristics decline,such as brightness decreased,Color change and so on.Please consider the heat generation of the LEDs when making the system design.LED (7) Compared to standard encapsulants, silicone is generally softer, and the surface is more likely to attract dust, requiring special care during processing. In cases where a minimal level of dirt and dust particles cannot be guaranteed, a suitable cleaning solution must be applied to the surface after the soldering of components. Refond suggests using isopropyl alcohol for cleaning. In case other solvents are used, it must be assured that these solvents do not dissolve the package or resin. Ultrasonic cleaning is not recommended. Ultrasonic cleaning may cause damage to the LED. |
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