Q&A Community - JLC3DP

Surface roughness profile for multi-layer PCBs

What is the surface roughness of the copper laminate used in impedance controlled NP-155F (Tg155) multi-layer PCBs? I woul......

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

Can I order a PCB with no components.

I want PCB without componenet.

1 Reply Asked by 90*******4A

UL Certification on Plastic Material

Hi, My company is trying to pass certification with our product and it requires UL certification on plastic material used ......

1 Reply Asked by 63*******4A

Platinenbestellung

There is a circuit board in the shopping cart, but the summary still says zero euros. When I go to Secure Payment, this me......

1 Reply Asked by 49*******4A

Inquiry About Minimum Order Quantity for Metal PCB

Dear JLCPCB, I am planning to order metal PCBs with a thickness of 1.6T. The details of my order are as follows: Size: 475......

1 Reply Asked by 39*******6A

How much more does it cost to produce 4 multi-designs on a single board?

How much more does it cost to produce 4 multi-designs( V-Cut ) on a single board?

1 Reply Asked by 90*******8A

Stiffner layer in Eagle

When designing the PCB in Eagle, which layer represents the stiffener ? I picked the layer 103 - Stiffener, but it did not......

1 Reply Asked by 81*******6A

How to identify basic and extended parts in JLCPCB parts library

Hello, when uploading the BOM for a simple PCB I get 1 out of 3 generic capacitors as basic part, and 3 out of 4 generic r......

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

PCB Assy from existing Gerbers

I have an existing design which I can provide a complete Gerber file set, a BOM, and assembly drawings. Can you make PCB a......

1 Reply Asked by 81*******5A

Warpage board - IPC

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

1 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

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