Q&A Community - JLCPCB

Warpage board - IPC

Which IPC standard do you use to determine the maximum allowable warpage board without surface mount components?

0 Reply Asked by 23*******8A

In Eagle, why do drill holes scale up 10x?

Why do the drill holes scale up using the Eagle CAM processor? I read the following advisory note: "Start from Eagle 7.2 t......

1 Reply Asked by 64*******0A

CADSTAR .spl

CADSTAR .spl files can be used as input ?

1 Reply Asked by 28*******5A

Vias for use under a big module such as ESP32

When using a bigger module like the ESP32 on a two layer board the ground cannot be easily connected directly because the ......

1 Reply Asked by 89*******1A

THT parts required clearaence?

Hello, there is quite detailed chart for clearances required between SMT components for PCB assembly: https://jlcpcb.com/h......

1 Reply Asked by 89*******1A

accuracy of the stencil

What is the accuracy of the stencil frame production on the plane?

0 Reply Asked by 24*******3A

Is PCB for WLP or WLCSP package ICs can be fabricated at JLCPCB?

Hi, Is PCB for WLP/WLCSP package ICs, such as STM32F051T8Y6TR, can be fabricated? I know 0.28mm pad is acceptable but have......

1 Reply Asked by 55*******3A

Board cutout

Hello, which layer should be used for board cutouts? Thank you, Thomas

1 Reply Asked by 63*******3A

Tapping M3 threads in SLM print

I need to have m3 threads in a piece I want to order for slm printing. I have read that it isnt recomended to model the th......

1 Reply Asked by 36*******1A

pre-design cercit

can you provide a pre disine dsp sine wave ips cercit

1 Reply Asked by 30*******6A

FPC design file

I want to make a single layer FPC with different direction contact. (Reverse direction FPC) If I use single copper layer a......

1 Reply Asked by 33*******0A

What alloy of aluminum do you use for your aluminum PCBs?

1 Reply Asked by 75*******5A

Sharing my PCB design so others can order?

Can I share my PCB design so that someone else can order it from their account?

1 Reply Asked by 83*******6A

order PCB, SMT stencil and parts

Can I order a PCB, SMT stencil and parts to solder it by myself? So not only parts (which is not possible) but in combinat......

1 Reply Asked by 88*******4A

Difference in via size in the designed and reviewed file, What is a printed circuit board made of?

My 8-layer PCB vias after review set to 0.2mm and the cost increased, while in my designed PCB file all vias is 0.3 mm. Do......

1 Reply Asked by 87*******1A

Excellon files

Seems that you cannot open excellon files. I put .XLN to my excellon files expecting to make them readable with no success

1 Reply Asked by 88*******7A

Minimum annular ring for via

What is the minimum annular ring for a via? I do not see any information about this in your capabilities page.

1 Reply Asked by 27*******9A

Buying parts

Can I just buy components?

1 Reply Asked by 51*******3A

Minimum Hole Clearance - NPTH to PTH

For a keyboard PCB, I'm using "standard" keyswitch footprints in Kicad, but I'm concerned that holes may be too closely sp......

0 Reply Asked by 87*******9A

Shipment to Italy with duty paid

Hi, What type of shipment should I choose for shipment to Italy with duty paid? Regards

1 Reply Asked by 87*******6A