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For special requirements not available on this page, Please send your requirements and Gerber files to us ( ) and we will come back to you with a quotation in 1 working day. If you need to make changes to the files, please send the update files to us( before 6:00 pm of the same day(Beijing Time).

PCB image viewer is only for reference,If the image display is incomplete, it will not affect place order, and will be arranged production based on your actual Gerber.


The number of copper layers in the board.

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The maximum length and width of your board or panel if the boards are panelised. Maximum and minimum lengths for FR-4 boards: 10 to 550mm.

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x *Unit: mm

The quantity of boards you require.

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Different designs in your files separated by v-cuts, stamp holes or milling slots.

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* eg

The thickness of finished board. Board thickness tolerance is +/-10%.

*Unit: mm

The PCB solder mask color. The green standard has the best performance. For most colors, the silkscreen is printed white. Only for white/yellow solder mask, the silkscreen is printed black

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The normal PCB color is White Silkscreen for green, blue, red, and black solder mask PCB and black silk screen for white and yellow solder mask PCB. For custom PCB color, please feel free to contact us.


Process to help with solderability.

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Castellations are plated through holes located in the edges of a printed circuit board and cut through to form a series of half holes.

The minimum diameter of castellated holes is 0.60mm.

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Copper weight on the outer layers(top and bottom). The copper weight for inner layers is 0.5 oz by default.

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Inner copper:

Time from start of physical production to production finished (ready for delivery).

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Order together with PCB

Allow combining several PCBs on a single SMD stencil.

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Please ensure that the effective area is larger than the PCB size.

* eg

Sides of the PCB to be etched on the stencil. When choosing option 3, please ensure that the effective area is large enough to fit both sides. For the fourth option, the quantity of stencils must be an even number.


The number of stencils required.


Mark point is an alignment mark for surface mount assembly machines.In General,machine assembly must have Mark point. Mark point are unnecessary when you are placing your parts by hand.

PCB Cost


  • Layer
    2 layers
  • Dimensions
    100mm * 100mm
  • PCB Qty
  • Different PCB Design
  • PCB Thickness
  • PCB Color
  • Silkscreen
  • Surface Finish
  • Castellated Hole
  • Copper Weight

PCB stencil Cost


  • Stencil type
  • Size (mm)
  • Stencil Side
  • Quantity
  • Mark point

The Regular Custom PCB(On-line Ordering) service will provide you the PCB with the parameters shown in our this page. All the PCBs will be fully tested, not random test. And we suggest you to read the following files Read Me before Ordering and PCB Specification && FAQ before using our PCB service. If there is any problem for your order or any suggestion for our service, please contact us via,,,

Gerber Files Required(2-layer)

The following files would be needed for the PCB production:
Solder Stop Mask top:pcbname.GTS Solder Stop Mask Bottom:pcbname.GBS
Silk Top:pcbname.GTO Silk Bottom:pcbname.GBO
NC Drill:pcbname.TXT Mechanical layer:pcbname.GML

Gerber Files Required(4-layer)

Including the layer shown in “Gerber Files Required(2-layer)”, and two inner layer should be added.
Inner1 layer:pcbname.G1 Inner2 layer:pcbname.G2


Multi Layers:1-2-4-6-8 PCB Material:FR-4
Available Color:Green, Red, Yellow, Blue, White, Black, Matte Black, Purple Silk Screen:White, Black (For White and Yellow Solder Mask)
Maximum Size:55cm X 55cm Minimum Qty:5pcs
Board Thickness:0.6mm,0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm Thickness Tolerance:(t≥1.0mm) ± 10%
Thickness Tolerance:(t<1.0mm) ± 0.1mm Minimum PCB track:6mil (Recommend >8mil)
Minimum Track Space:6mil (Recommend >8mil) Minimum pads Space:8mil
Minimum silkscreen text width:0.15mm Minimum silkscreen text height:0.8mm
Out Layer Copper Thickness:1oz(35um)/2oz(70um) Inner Layer Copper Thickness:17um/35um
Drilling Hole:0.3mm Drill Diameter Tolerance (non-plated):0.05mm
Drill Diameter Tolerance (plated):0.1mm Outline Tolerance (Mechanical):±0.20mm
Surface Finish:HASL, HASL (Lead Free), ENIG

Lead Time

Example(Please make sure that you place the order before 5:30 p.m.(Beijing Time))
Order day In production 24H rush ship 48H rush ship 72H rush ship 96H rush ship
Feb. 1st. Feb. 2nd. Feb. 3rd. Feb. 4th. Feb 5th. Feb 6th.

Special Requirement

1 For one layer PCB, we make it as 1 layer with mask one side in default. Please leave a comment if it should be made as 1 layer with mask both sides.
2 Board outline must be included at least in one layer if there isn't GML/GKO layer.
3 Gerber “RS-274-X” is the sole format for fabrication, and you can output gerber from other formats, they are “BRD”, “PCBdoc”, “LAY6”.
4 If you need some holes not plated, please name the non-plated holes as and leave a comment.
5 For stencil, we skip through-hole component pads and all drills (holes) by default except the fiducial, so you need to leave a message to us if you need to make the holes of the GTP and GBP.
6 If you want to make your board with golden finger and beveled edge or edge copper plating, please leave us a comment or contact us in And you may need to pay extra for it.
7 We could make the PCB without any surface finish and leave the copper exposed, please leave us a comment in your order.
8 For panelizing , we could make your board with v-cut or mouse bite. You can know more about how to reduce cost with panelizing service on this page.
9 The engineer will add manufacture time code on the board edge. If any code is not needed, please leave a comment.
10 The $1 USD PCB prototype is to encourage innovation, please don't add same PCB design with this $1 USD PCB prototype.

Wiki & External links

Eagle Design Rule
Eagle CAM file & Eagle 4Layers CAM file
Elecrow service Wiki
Elecrow multilayer FPC