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Product release

LED灯珠的型号与规格小知识

Release time: 2020-09-11     Views:101

  小功率的直插式LED灯珠 ,一般都是按直径分型号的,3mm 4mm 5mm 8mm 10mm 12mm

  不论直径大小,其工作电压和工作电流都是一样的。

  LED灯珠的规格

  1.0.06W的,电压是2.5-3.5V,电流是20mA。

  2.0.5W的,电压是2.5-3.77V,电流是150mA。

  3.1W的,电压是2.79-3.99V,电流是350mA。

  4.3W的,电压是3.05-4.47V,电流是700mA。

  5.5W的,电压是3.16-4.88V,电流是1000mA。

  LED灯珠1W的电流:320-350mA ,选驱动一般是选300mA电流的,LED芯片大小30mil 、35mil、 40mil、 45mil。LED灯珠3W的电流:700mA ,驱动一般600mA ,LED芯片大小45mil 。 1W 3W电压都在3.0-3.6V之间 ,好点的3.2-3.4V。至于5W的单颗LED芯片一般是50mil以上的,其他参数尚不明确。一般用作照明用的LED灯珠由0.5w-5w的都有, 工作电压在3-3.2V左右。

  区别LED灯珠的方法如下:

  1.看亮度,即在350mA的驱动电流,电压在3.0-3.6V之间的时候的亮度是多少,越高越好。

  2. 看LED芯片品牌及大小,品牌有NICHIA、CREE、普瑞、旭明、晶元、新世纪等。

  3. 看分BIN,即色温分区和电压分BIN,越细越好。

  4. 看衰减,需要做老化测试,光衰越小越好。

  5. 看实际的应用,如比:市场有合适且价格便宜的透镜、铝基板,就好,透镜、铝基板需要开模就会投入大一些,1W大功率, 电流:350ma,电压:2.8-4.0V 亮度:80-130LM 色温:3000-12000K。

  LED灯珠的型号

  小功率的直插式LED灯珠 ,一般都是按直径分型号的,3mm 4mm 5mm 8mm 10mm 12mm

  不论直径大小,其工作电压和工作电流都是一样的。


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