NEWS | Yanshuoda

20

2018.11

Introduction of LED drive power principle

The graph below shows the relationship between forward voltage drop (VF) and forward current (IF). From the curve, it can be seen that when ...

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20

2018.11

LED IP waterproofing classification

The waterproof grade IP of international industrial standard is close to that of JIS of Japanese industrial standard, which is divided into ...

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16

2018.11

How many lights dedicated LED power supply

Knowing the exact power of the LED lamp is the best. Your power supply is 24*4.2=100.8W. Divide 100.8W from the power of the lamp bar per me...

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13

2018.11

How to detect the power supply LED lighting

If there is a voltage of more than 100 volts (such as 60 LEDs, which have about 190V DC voltage at both ends), then the driving power supply...

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10

2018.11

Moscow lighting fair will be coming soon

ShenZhen YanshuodaTechnology,LED drivers,LED Dimming Power,LED power supply, Programmable LED driver,Moscow lighting fair will be coming soo...

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08

2018.11

Working principle switching power supply

Switching power supply uses circuit to control switching tube for high-speed pass-through and cut-off. It converts direct current into high-...

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08

2018.11

Switching power supply principle

The working process of the switching power supply is quite easy to understand. In the linear power supply, the power transistor works in the...

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08

2018.11

How choose LED waterproof power supply

There are two kinds of driving mode: one is a constant voltage source for multiple constant current sources, each constant current source fo...

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08

2018.11

LED waterproof power supply range

Application scope: mainly for LED spotlight, LED lamp, LED street lamp, LED bulb, LED buried lamp, LED ceiling lamp, LED flat lamp, LED wall...

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08

2018.11

How to use and select LED switching power

Connections on terminals are no doubt correct in terms of input and output, AC and DC, single-phase and multi-phase, positive and negative p...

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