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Rigid Flex PCBs are advanced circuit boards that combine the features of both rigid and flexible printed circuit boards. They are typically made from a combination of rigid substrates, such as FR-4, and flexible materials like polyimide. This design allows for complex circuitry in a compact space, making them ideal for applications where space and weight are critical considerations.
| Material | FR-4 and polyimide |
| Layer count | 2 to 12 layers |
| Thickness | 0.2 mm to 1.5 mm |
| Minimum trace width | 3 mils |
| Operating temperature | -40°C to +85°C |
When selecting a Rigid Flex PCB, buyers should consider the specific application requirements, including layer count, material types, and thickness. It is important to specify any required certifications, such as IPC standards, and to provide details on the expected operating environment, including temperature ranges. Additionally, quantities and lead times should be clearly communicated to ensure timely delivery.
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They offer space-saving designs and flexibility in applications where traditional PCBs cannot fit.
Yes, but it is essential to select appropriate materials that can withstand high temperatures.
Lead times can vary but typically range from 2 to 6 weeks depending on complexity and quantity.
Yes, due to their complexity and the materials used, they generally cost more than standard rigid or flexible PCBs.
The minimum trace width can be as small as 3 mils, depending on the manufacturer.
Yes, they should be handled with care to avoid damage to the flexible sections.