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How to reflow Guangdong LED chip lamp bead
2020-04-28 1495
Now plug-in lamp beads and chip lamp beads are required to be reflow welded, so the lamp beads can basically be under 240 ℃.If the LED lamp bead is reflow welded, the reflow temperature must be set, o
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How to deal with the leakage of high voltage chip lamp beads
2020-04-28 1493
1. The primer is too thick, which leads to leakage.2. For example, when the lamp bead is welded, the improper operation of the wire welding machine causes the excessive pressure when the magnetic nozz
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How to use the high voltage chip lamp beads
2020-04-28 1474
The application of LED chip lamp beads is more and more widespread. Its development trend is involved in all major professions. In the process of high-quality development, no one can ensure that there
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Where to use the high voltage patch lamp beads
2020-04-28 1433
The packaging process of SMD LED is to equip fluorescent powder and epoxy resin, Make a mold, and then make the epoxy resin with fluorescent powder into a rubber cake, and stick the rubber cake on the
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What are the advantages and disadvantages of high voltage patch lamp beads
2020-04-28 1452
Strengths:1. High light efficiency. It is connected by multiple chips in series, and the light efficiency is 5-10% higher than that of the common light source with the same wattage.2. Low power requir
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The quality identification method of LED chip lamp beads in Guangdong Province
2020-04-28 1387
To distinguish the quality of an LED chip lamp bead, we mainly rely on the precise inspection instrument to check the various parameters of the lamp bead, such as the brightness of the lamp bead, whet
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Is high voltage chip capacitor easy to use
2020-04-28 1417
1、 EMC filter planning tipsThe filter in EMC planning usually refers to the low-pass filter composed of L and C. The selection of filter structure is determined by the "maximum mismatch criterion