Why Is There a Voltage Difference Between 3V, 6V, 9VLED Patch Lamp Beads?

LED lamp beads are actually a light -emitting diode. After loading a certain voltage and current, it will glow. Generally speaking, the voltage of a single LED chip is about 3V, and the current is 30mA. For the voltage and current of LED lamp beads, most of them are in the process of LED packaging. The 0.2W LED lamp bead used in the lamp tube is made of two LED chips in parallel, that is, 3V, 60mA. For the high -voltage LED 9V lamp beads that are used mostly, the three LED chips are connected in series, that is, 9V, 30mA. Because the LED lamp beads are co -authored by multiple LED chips, there are many specifications of LED lamp beads, and there are many types of voltage. How much is the specific lamp? You can also see how many LED chips are composed of the lamp beads. Of course, because the LED chip is relatively small, the gold thread of the lead key is relatively small. It can only be estimated to visually. You need to test it with DC source. However, it is 3V, 6V, 9V, etc. Of course, there are dozens of V lamp beads. This depends on what kind of lamp beads do you really need to use?. For only 3V lamp beads, you can use a multi -meter diode file to light up this lamp bead. This is positive and negative. For LED lamp beads that do not know the voltage, it can only be measured by DC. From scratch to larger, when the lamp beads are slightly bright, the voltage at this time is the approximate voltage of LED lamp beads. For COB lamp beads, it is actually a principle, but COB encapsulates more LED chips, and the voltage and current will be relatively large. The confirmation method of COB lamps voltage and current is also confirmed by DC source. Each specification of lamp beads have their own characteristics, some are more cost -effective, and some have better performance. The LED lamp beads of the same specifications between each manufacturer will also be different, so the LED lamp beads are not absolutely good or bad. As long as it is used, it will play his biggest role. Professional customization of various LED patch lamp beads. If you need to consult our customer service, we will solve the problem for you.