XingQiang PCB Custom 2-Layer FR4 Circular PCB Array. Features high-precision circular cutout design, ENIG surface finish for superior solderability, and green solder mask. Manufactured from durable FR-4 material with UL94 V-0 flame resistance. Ideal for NFC antennas, sensor modules, and high-volume SMT assembly. 100% electrical tested.
| Product Name | Double Sided Printed Circuit Board |
| Minimum Hole Size | 0.1 mm |
| Characteristic Service | ODM / OEM / PCBA |
| Silkscreen Color | White/Black/Yellow/Red |
| Copper Overall | 0.5-5oz |
| Minimum Line Width | 3Mil |
| Solder Mask Color | Green or Customized |
| Surface Finish | OSP/ENIG/HASL |
| Material | FR4 High TG Material |

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