LED Flexi

 Figure 5

  MR16

Its resistance to Z, parallel capacitance is about 4-10pF. Their typical voltage characteristics shown in figure VI .

Figure 6

T8 Tube 

It is within a certain voltage range there is a constant , in this interval , the current flowing through almost constant , VL IL to reach the voltage , IL is about 0.8Ip.

3 Application Note

LED Flexi 

Since a constant voltage constant current diode Vk to be able to enter the constant current , so the power supply voltage is too low not work . Usually this is about 5-10V Vk around so most battery- powered LED is unable to work , the maximum current of the constant current diode power is limited, so excessive current is inappropriate . For example, usually require a 1W LED 350mA, it is difficult to provide constant current diode ,

 the current situation is more appropriate to use AC mains powered LED lamps use a lot of small power LED series is the high voltage low current situation is the most appropriate ; However, due to constant diode voltage with certain restrictions so it can absorb the supply voltage variation is limited. Take 100V breakdown voltage CRD is used in the 220V mains supply in the deal are still only a limited voltage change. 220V after a bridge rectifier and its output DC voltage of about 264V. If power variation +10% ~ -15 % of the equivalent rectified 290 ~ 187V, voltage 103V. Has more than its withstand voltage of .