PCB Prototype & PCB Fabrication Manufacturer

Standard PCB/PCBA

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Advanced PCB/PCBA

SMT-Stencil

3D Printing/CNC

Layers

The number of copper layers in the PCB Learn More

Dimensions

The dimension of single PCB or PCB panel you upload.

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PCB Qty

The quantity of boards you require. Learn More

Product Type

In the aerospace and medical industries, strict product requirements are maintained to ensure the safety and security of all users. To ensure the product quality, the below options need to be chosen for aerospace and medical products.

1. For 2 layer boards, the "4-Wire Kelvin Test" option is required.

2. For 4 & 6 layer boards, the "4-Wire Kelvin Test" and "FR4 Tg155" options are required.

3. For 8+ layers boards, the "4-Wire Kelvin Test" option is required.

PCB Specifications

Different Design

How many different designs in your files separated by v-cuts, mouse bites or milling slots. For example:

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Delivery Format

The delivery format is the method in which you ask JLCPCB to produce and deliver your PCB design.

· Single PCB - Your design as is.

· Panel by Customer - You construct the PCB panel yourself and provide us the panelized data for PCB production.

· Panel by JLCPCB - We construct your panel with v-cut according to your need. (We only provide panelizing service for PCBs with regular shapes like rectangle and circle. For PCBs of irregular shapes, you need to panelize by yourself.)

PCB Thickness

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

PCB Color

The PCB solder mask color. The green standard has the best performance and fastest turnaround time. For most colors, the silkscreen is printed white. Only for white solder mask, the silkscreen is printed black. Learn More

Fastest Turnaround for 24 Hours, Recommended!

Two more days than green solder mask.

Silkscreen

For most colors, the silkscreen is printed white. Only for white solder mask, the silkscreen is printed black. Please note, white printed silkscreen could be easily blend in with the gray surface. No silkscreen is recommended on the bare Aluminum surface. Learn More

Surface Finish

HASL is an affordable finishing option that utilizes tin/lead to creating a thin protective covering on a PCB.

ENIG has become the most popular surface finish in the industry as it offers flat surface, lead free and RoHS compliant, longer shelf life, and tighter tolerances can be held for plated holes. Learn More

High-spec Options

Outer Copper Weight

Copper weight on the outer layers(top and bottom).

The copper weight for inner layers is 0.5 oz by default. Learn More

Min via hole size/diameter

The minimum via hole size and via diameter.

Via diameter should be 0.1mm(0.15mm preferred) larger than Via hole size.

e.g. when the via hole size is 0.2mm, the via diameter should be 0.3mm or 0.35mm.

Notice: Additional charges will apply when the via hole＜0.3mm and the via diameter≤0.4mm. No additional charge when the via hole≥0.3mm, and via diameter≥0.4mm.

e.g. additional charge is needed for 0.2mm hole/0.4mm diameter, while 0.3mm hole/0.40mm diameter is free. For multi-layer boards, if the via diameter≥0.45mm, the 0.2mm hole is also without an extra charge.

Mark on PCB

To ensure easy identification and to prevent your PCB from being mixed up with others, JLCPCB will assign an order number to your PCB.

If you want to put the order number in a specific location, please select the ‘Order Number (Specify Position)’ option and indicate this location by adding the text ‘JLCJLCJLCJLC’ to your silkscreen layer.

For enhanced PCB traceability, you also have the option to apply a 2D barcode serial number to each PCB.

If you prefer not to have any markings on your PCB, simply select the ‘Remove Mark’ option.

As this service is customizable, we recommend selecting ‘Confirm Production File’ to ensure that the markings meet your requirements.

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Order Number

2D barcode

Electrical Test

At JLCPCB, all PCBs undergo comprehensive AOI(Automated Optical Inspection) to ensure quality. AOI detects any breaks or imperfections in traces. PCBs tested with AOI achieve a quality rate of 99% or higher.

Flying Probe Test: This is the final checkpoint for circuit continuity. It can test for open and short circuits.

- Full Test: 100% pass rate, but is slower and incurs a fee due to it is time-consuming.

- Random Test: Free of charge, ensuring a minimum pass rate of 99%.

E-test Fixture: Provides rapid testing and is suitable for mass production, although it requires a high material cost.

Gold Fingers

Gold fingers are the gold-plated columns along the connecting edges of PCBs. Only when ENIG surface finish is chosen, the fingers will be gold-plated. If you choose HASL surface finish, we will use HASL as edge connect plating. Learn More