ISO 9001 certified

ISO 9001 Certified

ISO 14001 certified

ISO 14001 Certified

RoHS certified

RoHS Compliance

Flex PCB Board for Lightweight Electronic Devices

Flex PCB boards enable lightweight, compact, and three-dimensional electronic assemblies using polyimide-based substrates. Offered in single-layer, multilayer, and rigid-flex configurations, these boards serve aerospace, medical, automotive, and consumer electronics applications, delivering exceptional flex cycle durability, fine line precision, and reliable performance in space-constrained environments.

Flex PCB
Single Layer Flex PCB
Rigid Flex PCB
Multilayer Rigid Flex PCB

Our Range of Products
Flex PCB

Flex PCB

  • Up to 8 layers in low-volume production
  • Laser drilling down to 4mil precision
  • 5 surface coatings: ENIG, OSP, HASL & more
Single Layer Flex PCB

Single Layer Flex PCB

  • 500 million flex cycles without failure
  • Fine line width as low as 2.5mil/2.5mil
  • 1–30 layers for low-volume prototyping
Rigid Flex PCB

Rigid Flex PCB

  • Up to 20 layers with 4mil laser drilling
  • Freely bendable, foldable, 3D shapeable
  • ISO 9001 & 14001 certified manufacturing
Multilayer Rigid Flex PCB

Multilayer Rigid Flex PCB

  • IPC Class II quality on every board shipped
  • Stack-up & quote delivered within 8 hours
  • ENIG, OSP & lead-free HAL surface options

Frequently Asked Questions

What is a flex board used for?

Flex PCB boards are used in applications requiring lightweight, space-saving, and three-dimensional circuit routing. Common uses include medical devices like hearing aids and pulse generators, aerospace and military electronics, automotive control systems, smartphones, wearables, industrial automation equipment, and as reliable interconnects between rigid PCBs in place of traditional cable assemblies.

What base materials are used in flex PCBs?

How many layers can a flex PCB support?

What is the flex cycle durability of SFX PCB flexible boards?

What surface coating options are available for flex PCBs?

Are SFX PCB flex boards RoHS compliant?

What is the typical lead time for flex PCB orders?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Medical Devices

Medical Devices

Flex PCBs power hearing aids, pulse generators, defibrillators, ultrasound devices, and X-ray equipment requiring compact, reliable circuits.

Aerospace & Military

Aerospace & Military

High-reliability flex and rigid-flex PCBs used in radar systems, night vision, avionics, guidance systems, and defense electronics.

Automotive Electronics

Automotive Electronics

Flex PCBs enable compact routing for dashboard controls, ABS systems, transport relays, and in-vehicle sensor networks.

Consumer & Wearable Electronics

Consumer & Wearable Electronics

Lightweight flex PCBs enable miniaturized designs for smartphones, wearables, cameras, LED systems, and smart home appliances.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Flex PCB | Custom Flexible PCB for Compact Electronic Devices

Custom Flexible PCB for Compact Electronic Devices

Custom flexible PCBs engineered for compact electronic devices, including single-layer, multi-layer, and rigid-flex configurations on polyimide substrates. Designed for applications in medical, aerospace, automotive, consumer electronics, and industrial sectors, these boards deliver superior flexibility, miniaturization, and reliability with up to 500 million flex cycles and fine line widths down to 2.5mil.
Flex PCB | Flex Circuit PCB for Compact Electronic Products

Flex Circuit PCB for Compact Electronic Products

Flex Circuit PCBs from SFX PCB offer lightweight, thin, and highly flexible circuit solutions for compact electronic products. Supporting single to multilayer configurations in polyimide substrates, these boards enable 3D design freedom, miniaturization, and reliable interconnection across aerospace, medical, automotive, consumer electronics, and industrial applications.
Flex PCB | Custom PCB Flex for Space-Saving Designs

Custom PCB Flex for Space-Saving Designs

Custom PCB Flex for Space-Saving Designs encompasses single-layer flex PCBs, multi-layer flex PCBs, and rigid-flex PCBs built on polyimide substrates. These boards enable 3D spatial routing, weight reduction, and connector elimination — ideal for medical devices, aerospace systems, wearables, automotive electronics, and compact consumer products demanding reliability and miniaturization.

Why Electronics Manufacturers Choose SFX PCB

15+ Years of Flex PCB Expertise

Over 15 years of deep-rooted experience delivering high-reliability flex and rigid-flex PCBs for demanding industries worldwide.

ISO-Certified Quality Assurance

ISO 9001, ISO 14001, and ISO 13485 certified facilities with 100% electrical testing, AOI, and flying probe inspection on every board.

Prototype to Mass Production

Seamlessly scale from rapid prototyping—assembled in as little as 24 hours—to high-volume mass production without switching suppliers.

Get a Custom Flex PCB Quote Within 8 Hours

Submit your design files and our engineers will respond with a stack-up review and competitive quote within 8 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (+1) 5103455000 You can also send us a quick email at info@sfxpcb.com