Q&A Community - JLCCNC

paste on unpopulated pads

how to apply solder paste to all smd pads, including pads with no component to place

1 Reply Asked by 43*******3A

Slot holes for RCA jack in EAGLE footprint

Attached is the footprint of a RCA jack. The yellow pads (in Dimension layer) over solder pads are the slot holes for foot......

1 Reply Asked by 63*******2A

V-countersink hole

I found the following information: https://www.jlc.com/portal/q6i44031.html Will JLCPCB also support V-countersink hole so......

1 Reply Asked by 85*******5A

Silkscreen over pads

Hello! I have a question, in my design I put some silkscreen on a pad that does not have copper on the front layer. The Ki......

1 Reply Asked by 90*******3A

Expose Aluminium on a Aluminium PCB

Short Version: Can we expose the Aluminium core of a Aluminium PCB to a surface? And if so, how? Is there a Gerber layer w......

1 Reply Asked by 23*******7A

Panel Size

Hello, I am looking for producing panels and I couldn't find information of what would be the maximum size (area) of a pan......

1 Reply Asked by 92*******3A

V-Cut and actual PCB dimention

When I put a V-Cut line or text on the outline layer, the PCB uploader calculates larger dimensions than the actual size. ......

1 Reply Asked by 24*******9A

Detect Isolated Unconnected Vias Warnings

I have a problem with the DFM analysis reporting warnings from the "Detect Isolated Unconnected Vias" check. There are fou......

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

different silk screen on order

Hello, is it possible to have a different silkscreen on this order if i reorder like this order W202411160047293 ? we need......

1 Reply Asked by 32*******8C

THT parts not soldered but included in package

Hello, i want to order PCB with assembly for SMD parts and i want to solder THT parts myself. Is there an option that thos......

1 Reply Asked by 76*******8A

Hole size in mm and thou

Hi, in my design, i used some holes at metric dimensions and some holes are at imperial system. Below is the current summa......

1 Reply Asked by 89*******5A

USB Flex Cable impedance control

I'm going to make a USB extension cable with FPC. I want the impedance of the working pair to be 90ohms. Please let me kno......

1 Reply Asked by 74*******3A

Dimensions

How can I be sure (in Eagle) if the dimentions of my board are up loaded?

1 Reply Asked by 23*******5A

Max Flex PCB Lenght

since we limited to only a max of 500mm for Flex pcb, does that mean we can't do our own LED strips 5 meters or longer? is......

1 Reply Asked by 27*******8A

About the shipping fee listed on the invoice

I always order deliveries via OCS Express or Global Standard Direct Line.Does the shipping fee listed on the invoice inclu......

1 Reply Asked by 82*******1A

cardboard insert packaging

Hello, the first PCBA shipment survived at least in part due to the extra cardboard separators, the outside box was crushe......

1 Reply Asked by 90*******5A

Can JLCPCB manufacture and assemble 01005 footprint components?

Hello, I'm wondering if JLCP can manufacture and assemble PCBs that use 01005 footprint components such as capacitors and ......

1 Reply Asked by 48*******6A

Specefic parts

If im using some sepcefic parts and modules that requier asembly and is not availble in your library can i order them from......

1 Reply Asked by 91*******5A

partial assembly

Dear JLCPCB, I am going to submit order for printing 5 pcb boards. Is it possible that I order assembly of only one elemen......

1 Reply Asked by 42*******3A

CHINESE NEW YEAR

Hello, what are your closing dates for the Chinese New Year? Until what date can I send you an order? Best regards

1 Reply Asked by 45*******8A