PCB Prototype

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PCB Specification Options

Layers:

PCB Size(cm):

Quantity:

PCB Thickness:

Copper Thickness:

Surface Finish:

Solder Mask Color:

Separated Sub-Boards:

Min Trace/Space:

Min Drill:

Solder Paste Stencil:

Lead Time:

Need Photos before shipping:

Gerber Files(ZIP/RAR):

How is the PCB Prototype quality?

PCB are produced by the biggest PCB manufacture in China, there are more than 5000 kinds of boards produce per day in the factory.
All prototyping PCBs will be tested by a flying probe to make sure all vias are connected. To make sure that all tracks and pads are connected,all PCBs will also get a 100% Automated Optical Inspection.
Reviews from our customer:
Quick-Turn PCB shop review project: ShenZhen2U
How ShenZhen2U stacks up as a low budget PCB fab

How is the price? Any other hidden costs?

Price is transparent and has no hidden cost,you can get a instant quote by selecting the options above according to your PCB specification.
Shipping at affordable prices save your money too. You can get an instant shipping cost in "shipping estimate",there are different price and delivery time of shipping methods to meet your requirement.

If I order today, how long will it take to get my PCB?

The Manufacturing time will be 4-6 days for 2 layers board and 5-7 days for 4 layers board. We also provide 48 hours rush PCB prototyping service.

Lead Time 1 or 2 Layers 4 Layers 6 Layers
Normal 4-6 days 5-7 days 9-10 days
Rush 48 Hours 72 Hours 72 Hours

3-7 work days by DHL/UPS express and 8-20 work days by Air mail are available. 95% customers said they received thier boards on time.

How to order PCB and track my order?

Select the options according to your PCB specification and upload your Gerber files then add to cart and checkout
You can track your order in your order history or on the track order page just with your order number and email address .

What files should I upload for PCB manufacture?

Gerber files are recommended. Gerber files must be RS-274x format. Drill file(pcbname.TXT) should be Excellon format, and make sure it include drills size and position data.

Outline
pcbname.GML
Drill & Holes
pcbname.TXT
Solder Paste Top
pcbname.GTP
Top Layer
pcbname.GTL
Solder Paste Bottom
pcbname.GBP
Layer 2
pcbname.GL2
Solder Mask Top
pcbname.GTS
Layer 3
pcbname.GL3
Solder Mask Bottom
pcbname.GBS
Layer 4
pcbname.GL4
Silk Screen Top
pcbname.GTO
Layer 5
pcbname.GL5
Silk Screen Bottom
pcbname.GBO
Bottom Layer
pcbname.GBL

We also accept PCB files generated by Eagle,Altium Designer,PADS.

What are the manufacture Limit for PCB prototype service?

Make sure your pcb design comply with follow limits.

Also,you can import the design rules files into your EDA software to design your PCBs.
Design rules and CAM: Eagle PCB design rules and CAM

How to count the "separated sub-boards" ?

If there are different designs penalized in one set of boards, all the sub boards in the set will be counted as sub-boards. Read more about PCB panelization rule.

Solder Paste Stencil:

The Solder Paste Stencil also known as SMT Stencil, is Laser-cut steel on a aluminum frame with a minimum recommended pitch of 0.4mm.This Solder Paste Stencil are custom-made for your PCB using your Gerber or CAD files.With SMT Stencil,you can make your PCB assembly job easier and save your time.

Frameless solder paste stencils are recommended for prototype printed circuit board assembly or short runs.If you are going to manually print solder paste,we suggest this for less expense.

You can get a separated solder paste stencil without PCBs in solder paste stencil product page.

*Please make sure the effective area is twice as big as your PCB so that top and bottom side can be placed on the same stencil.

Effective Area	Total Size	Price	Weight
13.0 x 21.0 cm	30.0 x 40.0 cm	$19	1.9kg
19.0 x 29.0 cm	37.0 x 47.0 cm	$20	2.0kg
19.0 x 29.0 cm (Frameless)	28.0 x 38.0 cm (Frameless)	$18	1.0kg
24.0 x 34.0 cm	42.0 x 52.0 cm	$28	2.4kg
22.0 x 40.0 cm	40.0 x 60.0 cm	$32	2.7kg
22.0 x 60.0 cm	40.0 x 80.0 cm	$34	3.8kg
27.0 x 37.0 cm	45.0 x 55.0 cm	$36	2.8kg
37.0 x 47.0 cm	55.0 x 65.0 cm	$44	3.9kg
38.0 x 38.0 cm	58.4 x 58.4 cm	$44	3.6kg

What can I do if I uploaded the wrong files?

Please send the correct Gerber file to pcb@shenzhen2u.com asap, we will use the Gerber file if we have not start to process the order. But we can not change/cancel your order if the factory already put it on manufacturing line.

If my PCB do not require Solder Mask/Drilling Holes/Silkscreen , what should I do?

Please leave a message "There is no solder mask/ drill hole/ silkscreen" when you check out.

What is the stack-up for 4 layer PCB?

Layers	Thickness(mm)	Stackups
4	1.6	1oz+2116（0.12mm）+FR4(1.2mm)+2116（0.12mm）+1oz
	1.2	1oz+2116（0.12mm）+FR4(0.8mm)+2116（0.12mm）+1oz
	1.0	1oz+2116（0.12mm）+FR4(0.6mm)+2116（0.12mm）+1oz
	0.8	1oz+2116（0.12mm）+FR4(0.4mm)+2116（0.12mm）+1oz
6	2.0	1oz+2116+FR4(0.8mm)+2116+FR4(0.8mm)+2116+1oz
	1.6	1oz+2116+FR4(0.6mm)+2116+FR4(0.6mm)+2116+1oz
	1.2	1oz+2116+FR4(0.4mm)+2116+FR4(0.4mm)+2116+1oz
	1.0	1oz+1080+FR4(0.4mm)+1080+FR4(0.4mm)+1080+1oz
Prepreg 2116 Thickness 0.12mm, 1080 Thickness 0.06mm

What is the minimum inner trace width/ spacing for 4 layers?

0.2 mm or 8 mil for 4 layers .

What is the minimum trace width /spacing of 2oz copper thicknness?

0.25mm（10mil）

What is the minimum board dimension of V-CUT?

8x8cm

Which layer I use in EAGLE for milling?

layer 46, but you need to add a note there

What is the minimum dimension of the boards/PCB for milling?

1*2mm

Can the V-cut line be curve?

No, V-cut line can only be straight line.

Which layer should I use in EAGLE for V-slot?

layer 50, but you need to add a note there.

What is the production time?

The production time is the manufacture time, it does not include the checking time, packing time and shipping time.

PCB Capabilities

Item	Specs
Item	PCB Prototype	Premium PCB
Material	FR-4	FR-4，FR-4 (High Tg), Aluminate core,FLEX
Number of layers	1, 2, 4, 6	1~20
Available Board Thickness	0.6(4 layer except), 0.8, 1.0, 1.2, 1.6, 2.0	0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.6, 2.0, 2.5, 3.0, 3.5, 4.0
Special Process	NO	Blind vias,Buried vias,Half vias, Impedance control
Thickness Tolerance	(t >= 1.0) ± 10%	(t >= 1.0) ± 10%
Thickness Tolerance	(t < 1.0) ± 0.1mm	(t < 1.0) ± 0.1mm
Minimum trace width	0.1016mm/4mil	0.076mm/3mil
Minimum trace/vias/pads space	0.1016mm/4mil	0.076mm/3mil
Minimum copper to board edge clearance	0.3mm	0.25mm
Minimum silkscreen width	0.1524mm/6mil	0.1524mm/6mil
Out Layer Copper Thickness	35~70um/1~2oz	35~140um/1~4oz
Inner Layer Copper Thickness	17um/0.5oz	17~70um/0.5~2oz
Drilling Hole(Mechanical)	0.2 ~ 6.35mm	0.2~6.35mm
Finish Hole(Mechanical)	0.2 - 6.35mm	31.50 - 250.00
SMT min Solder Mask Width	0.1mm/3.94mil	0.1mm/3.94mil
Min Solder Mask Clearance	0.13mm/5.12mil	0.1mm/3.94mil
Max PCB Dimension	40mm*40mm	1016mm*610mm
Aspect Ratio	8:1
Solder Mask Type	Photosensitive ink

PCB stackup:

Layers	Thickness(mm)	Stackups
4	1.6	1oz+2116（0.12mm）+FR4(1.2mm)+2116（0.12mm）+1oz
	1.2	1oz+2116（0.12mm）+FR4(0.8mm)+2116（0.12mm）+1oz
	1.0	1oz+2116（0.12mm）+FR4(0.6mm)+2116（0.12mm）+1oz
	0.8	1oz+2116（0.12mm）+FR4(0.4mm)+2116（0.12mm）+1oz
6	2.0	1oz+2116+FR4(0.8mm)+2116+FR4(0.8mm)+2116+1oz
	1.6	1oz+2116+FR4(0.6mm)+2116+FR4(0.6mm)+2116+1oz
	1.2	1oz+2116+FR4(0.4mm)+2116+FR4(0.4mm)+2116+1oz
	1.0	1oz+1080+FR4(0.4mm)+1080+FR4(0.4mm)+1080+1oz
Prepreg 2116 Thickness 0.12mm, 1080 Thickness 0.06mm

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