PCB - JLCPCB Q&A

How do I specify a counterbore hole in a PCB?

Hello, how do I specify a counterbore hole in the gerber files of a PCB? Counterbore hole, as described in: https://jlcpcb......

1 Reply Asked by 28*******4A

Mistakes in impedance controlled stackup data

I have noticed some errors in your impedance controlled stackup data. JLC04201H-1080 has exclamation points instead of num......

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

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

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

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

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?

2 Replies 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

PCB - JLC3DP Q&A