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What is the principle used in SMD LED lamp, should pay attention to what the problem?
- Table 1, contact electrostatic protection LED product should be covered with protective electric tape, and its reliable grounding; 2, personnel shall wear groundstrap in contact with LED (best for cable, protective gloves, anti-static ring) allows better wear anti-static clothing, anti-static shoes and static electricity cap; 3, the application in the process of exposure to LED equipment must be reliable grounding, such as iron, shearing machine, bending machine and welding equipment. Conditional still can install plasma fan to eliminate electrostatic; 4, in use or when designing electronic circuit, must consider the harm that excessive current has to LEDs
Patch LED beads can be bought in what place?
- Many LED packaging plants do patch LED, you can find the relevant manufacturers to contact, or go to the local electronic components market according to your needss
What does "1210" mean in patch LED?
- 1210 represents the size of the LED package specification (size, specification), and represents the length and width of the resistanceSpeed adoption!!!s
What is patch LED?
- Patch element. Very small, no pins, soldered directly to the circuit board. For example, the keyboard lights in a mobile phone are used in this way.s
What determines the brightness of the patch LED?
- Lamp brightness level itself, is also in the rated current situation, its brightnesss
The quality of the LED patch module
- Life。 LED's life is considered 100000H. In fact, LED products in 10 or 20 years to reach 100000 hours, and now the best LED life expectancy is only 50000 hours. Incandescent lamp for 1000 hours, fluorescent lamp for 2000 hours, neon for 10000 hours. The so-called "100 thousand hours" was only measured by scientists at room temperature at room temperature. After the formation of LED and chip packaging products, even the top of the chip, due to differences in the production of advanced packaging using the equipment, technical differences, the different forms of packaging, management, as well as the difference between the way users, resulting in life are not the same. Patch LED, life can reach 40000-50000 hours; piranha LED, life expectancy of 30000 hours, inline LED, life expectancy is 10000 hours. Of course, with the advances in chip and packaging technology, these data will gradually increase. The premise is that you understand an important concept, LED life means when the brightness of LED is 70% of the original brightness, we decide the LED life to this end.s
What does patch LED light mean?
- The patch may be said, adding that the patch board PCB light source, light source lamp light source generally refers to, patch may refer to the combination of PCB plate and two lens beads.s
How does the LED patch lamp differentiate between positive and negative poles?
- The light emitting diode is fixed regardless of color. The light emitting diode 1, line: foot length is positive, the negative is short. The electrodes inside the tube can also be carefully observed, while the smaller ones are positive and the large ones, similar to the bowl, are negative. 2, SMD: overlooking the side with the color line is negative, the other side is positive.s
How do traffic light sensors work
- Sensor is a kind of testing device, can feel the measured information, and will feel information, according to certain rules transform into electrical signal or other required info...
How much does a traffic light cost
- I think, any traffic police know: how much does a traffic light cost. Now in almost every crossroads, all around are hung with red, yellow, green, three traffic lights of color, it...
Have you ever used of emergnecy strobe lights
- LTE837 Starway Warning strobe light has eight lightheads and has 15 patterns offer to choose, the lighthead adopts pulse xenon tube, with high efficiency and energy-saving and stro...
Why is outdoor commecial lighting important
- Reduced power consumption than conventional lighting.Typical light output for a 60w light bulb is 800 lumens:equivalent light output for an LED light is around 9w ,which equates to...
Why is strobe lights kits important
- Strobe lights kits have many advantages such as 1.600W flash energy2.Perfect guiding number3.Short recycling time4.Long lighting coverage5.High color temperature.6.Quick flash dura...