Before we have designed many versions different kinds of led , so SK6812 side led come out , It's packaged in 4020 SMD LED, Bracket model No. 04.03.30.SC4020P41H5CURW-000) , they are very small led , Those Pin legs for welding is very small and the each pin distance is very small too,then it's easy to be problem when use normal mounter. Our customers response that the light source was tilted after SMT, and the position of the product pin and the land was offset. In order to improve the undesirable phenomenon of the customers, we use a new bracket on the basis of the original photoelectric parameters and functions unchanged , the bracket Model No. 04.03.30.SC4020P41H6CURW-001, We name this new bracked Side led “SK6812 Side-A”, we have stopped producing old SK6812 Side led, SK6812 Side-A led replace it now.
Let's talk more about the advantages of Sk6812-A over SK6812 SIDE LED. Compare them in many ways.
Product appearance comparison
From above ,you can see SK6812 Side led is straight legs, there is a gap between the PIN and the PPA, which is easy to be uneven when SMT is mounted and SK6812 SIDE-A led is folded legs, This is conducive to the solder tin climbing and enhance the welding force between the lamp beads and the PCB board. The red frame is the back step, whichis the same level as the folded legs, which can avoid the product tilt and the position deviation of the product pin and the pad during SMT.
From above you can see
The SK6812 SIDE-A LED pin is folded . When reflow soldering, the tin of the pad is easy to
climb up. At the same time, the contact area between the pin and the PCB is large, Which make thrust increased., after we destroy the PCB, you can see the PCB still connect the pin.
SK6812 Side LED legs is small , the contact area between the pin and the PCB is small,The red area is the vacant area of the PCB and the pad
Thrust simulation test
Thrust tester(Each cell of the tester is 2.5N (black outer scale))
From above data, you can see they have same timing
In a word, the SK6812 SIDE-A has stronger bonding force with PCB board, and has the
same function as SK6812 side LED.
