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CLU028-1202C4-50*M2M2-F1 参数 Datasheet PDF下载

CLU028-1202C4-50*M2M2-F1图片预览
型号: CLU028-1202C4-50*M2M2-F1
PDF下载: 下载PDF文件 查看货源
内容描述: [Standard Type]
分类和应用:
文件页数/大小: 15 页 / 625 K
品牌: CITIZEN [ CITIZEN ELECTRONICS CO., LTD. ]
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7-4. Thermal Design  
-The thermal design to draw heat away from the LED junction is most critical parameter for an LED illumination system.  
High operating temperatures at the LED junction adversely affect the performance of LED’s light output and lifetime.  
Therefore the LED junction temperature should not exceed the absolute maximum rating in LED illumination system.  
-The LED junction temperature while operation of LED illumination system depends upon thermal resistance of internal  
LED package (Rj-c), outer thermal resistances of LED package, power loss and ambient temperature. Please take both of  
the thermal design specifications and ambient temperature conditions into consideration for the setting of driving  
conditions.  
-For more information, please refer to application note "Thermal Management", "Instruction Manual(COB LED  
Package)".  
7-5. Driving Current  
-A constant current is recommended as an applying driving current to this product.  
In the case of constant voltage driving, please connect current-limiting resistor to each products in series and control  
the driving current to keep under the absolute maximum rating forward current value.  
-Electrical transient might apply excess voltage, excess current and reverse voltage to the product(s).  
They also affect negative impact on the product(s) therefore please make sure that no excess voltage, no excess current  
and no reverse voltage is applied to the product(s) when the LED driver is turn-on and/or turn-off.  
-For more information, please refer to application note "Driving", "Instruction Manual(COB LED Package)".  
7-6. Lighting at a minimum current value  
- A minimumcurrent value of lighting of all dice is 10 mA.  
When a minimumcurrent is applied, LED dice may look different in their brightness due to  
the individual difference of the LED element, and it is not a failed product.  
7-7. Electrical Safety  
-This product is designed and produced according to IEC 62031:2008  
(IEC 62031:2008 LED modules for general lighting. Safety specification)  
-Dielectric voltage withstand test has been conducted on this product to see any failure after applying  
voltage between active pads and aluminum section of the product, and to pass at least 500V.  
-Considering conformity assessment for IEC62031:2008, almost all items of the specification depend upon  
your final product of LED illumination system.  
Therefore, please confirm with your final product for electrical safety of your product.  
As well, the products comply with the criteria of IEC62031:2008 as single LED package.  
12  
Ref.CE-0140P-201801  
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