LED Bulb PCB Circuit Boards

LED Bulb PCB Circuit Boards

Nowadays, the mainstream solution for LED Bulb PCB Circuit Boards is to use a lot of low-power high-brightness LED hybrids, commonly known as x-string x.
Due to the discrete parameters of LEDs and different temperature characteristics, the Vfs of these series LEDs (forward voltage) And there will be a certain difference.
After multiple parallel connections, the current flowing through each channel will be different.

Chat Now

Product Details

Description

Nowadays, the mainstream solution for LED Bulb PCB Circuit Boards is to use a lot of low-power high-brightness LED hybrids, commonly known as x-string x. Due to the discrete parameters of LEDs and different temperature characteristics, the Vfs of these series LEDs (forward voltage) And there will be a certain difference. After multiple parallel connections, the current flowing through each channel will be different. The greater the difference in vfs, the greater the difference in current, resulting in uneven brightness of the LED, and even lead to rapid breakdown of the LED overcurrent. After series resistance, the current-voltage curve of each string can be corrected within a certain range of voltage fluctuations and within the discrete range of Vfs. The current flowing through each LED is substantially equal.

PCB aluminum substrate with good thermal conductivity, electrical insulation properties and machinability.

LED Bulb PCB Circuit Boards Welding

Judgment of the direction of the lamp: the face is facing up, and the side where the black rectangle is located is the negative end;

The direction of the board: face up, one end of the two inner and outer terminals is the upper left corner;

Judgment of the direction of the lamp in the circuit board: starting from the upper left lamp (clockwise rotation) is negative positive → positive and negative → negative positive → positive and negative;

Welding: Carefully soldered so that each solder joint is full, clean, and free of solder or solder.

PCB aluminum substrate with good thermal conductivity, electrical insulation properties and machinability.

Previous:Free PCB Board Design Sample Next:LED Driver PCB Boards

Inquiry