Menu
We proudly offer the latest flexible circuit innovation with our Felios R-F775 material at MV Flex Circuit. Whether you’re looking to improve the performance of your current designs or explore new possibilities in flexible circuit design, Felios R-F775 can help you achieve your goals. And with MV Flex Circuit’s commitment to quality and customer satisfaction, you can trust us to provide the best products and services.
Designed for the best possible performance for flexible circuit applications, with exceptional flexibility, durability, and electrical properties.
At MV Flex Circuit, we deliver high-quality products that meet the most demanding industry standards.
With over 20 years of experience in the flexible circuit industry, MV Flex Circuit has the knowledge and expertise to help you achieve your design goals
We can customize Felios R-F775 to meet your specific application requirements, ensuring you get the best possible results.
We offer competitive pricing on all of our Felios R-F775 products, ensuring you get the best value for your investment.
We understand that time is essential for flexible circuit design, so we offer fast turnaround times on all orders.
MV Flex Circuit can help you get the best price if you send us your Gerber files. Our engineering team will provide a quotation within 1-2 hours. Even if we cannot provide the offer, our sales team will keep you informed of the status via email. Please don’t hesitate to contact us, as we are always here to help.
Felios R-F775 is a superior double-sided copper-clad flexible circuit material for optimal performance in various electronic applications.
With its exceptional flexibility and durability, this offers unparalleled performance, making it the ideal choice for demanding electronic designs.
Its double-sided copper-clad construction enhances conductivity and reliability, ensuring your circuits perform at their best.
Whether you’re building consumer electronics, medical devices, or industrial equipment, Felios R-F775 can help you achieve your goals.
This material boasts an impressive maximum operating temperature of 160°C, making it an excellent choice for high-temperature applications where other flexible circuit materials cannot perform.
This exceptional thermal resistance ensures your circuits can operate safely and reliably in harsh environments with elevated temperatures.
Whether you’re designing electronics for automotive, aerospace, or industrial applications, its high-temperature capabilities make it an invaluable material for achieving optimal performance and reliability.
Welcome to our FAQ section, where we’ve compiled answers to many commonly asked questions. If you have any additional queries, please leave us a message.
Felios R-F775 is a type of flexible circuit material produced by Panasonic, a leading electronics manufacturer. This material is designed to be used in applications that require high flexibility, durability, and reliability.
In smartphones, Felios R-F775 can be used for casing edges and slide keyboards, providing excellent flexibility and durability.
It is also suitable for camera and LCD modules, where its thermal and chemical resistance is essential for reliable performance.
In avionics and computers, Felios R-F775 can be used in circuit boards and connectors, while in medical equipment, it can be used for sensors and monitoring devices.
Its high temperature and chemical resistance make it a preferred material in these industries, where reliability and safety are critical factors.
It does not contain halogen-based flame retardants. Halogen-free materials are becoming increasingly important in electronics manufacturing, as halogens can result in toxic gases being released in the event of a fire.
Felios R-F775 is designed to meet the highest safety and environmental protection standards while providing excellent performance and reliability. Its halogen-free composition makes it an ideal material for various applications, from consumer electronics to industrial equipment.
This is free from antimony-based flame retardants, which can be hazardous to human health and the environment. The absence of antimony in the material makes it an ideal choice for electronics manufacturing as it prevents environmental pollution and potential health hazards.
Its antimony-free composition makes it an excellent option for various applications in consumer electronics, industrial equipment, and other fields where safety and environmental standards are critical.
This table shows the R-F775 product offering:
| Polyimide Thickness | Copper Foil RA * |
| .0005 | Q, T, H oz |
| .00058 | Q, T, H, 1 oz |
| .0008 | Q, T, H, 1 oz |
| .001 | Q, T, H, 1, 2 oz |
| .002 | Q, T, H, 1, 2 oz |
| .003 /.004 | Q, T, H, 1 oz |
| Property | Test condition | Unit | R-F775 |
| Tensile Modulus | A | GPa | 7.1 |
| Insulation Resistance of the surface layer | A | Ω | 1×10¹⁵ |
| Dk | A 1MHz | – | 3.2 |
| Df | A 1MHz | – | 0.002 |
| Flame Resistance (UL) | A and E-169/70 | – | 94V-0 |
| Chemical Resistance | HCL2mol/l 23℃5 min | – | No abnormality |
| NaOH2mol/l 23℃5 min | |||
| IPA 23℃5 min | |||
| Peel Strength | A | N/mm | 1.3 |
| 260℃ solder float for 5sec | 1.3 | ||
| Solder Heat Resistance | 288℃ solder float for 1min | – | No abnormality |
| Moisture Absorption Solder Heat Resistance | C-96/40/90 260℃ solder float for 1min | – | No abnormality |
| Dimensional Stability | After etching MD direction | % | 0.030 |
| After etching TD direction | 0.037 | ||
| After E-0.5/150 MD direction | 0.022 | ||
| After E-0.5/150 TD direction | 0.027 |
It holds several certifications that ensure its quality, safety, and compliance with industry standards.
It is certified as UL94-V0, meaning it has undergone rigorous testing to determine its flammability and is highly resistant to catching fire.
It also meets the IPC 4204/11 standard, which ensures that the material meets the requirements for rigid and flexible printed boards.
Moreover, Felios R-F775 is RoHS compliant, which means it contains no hazardous substances that could harm human health or the environment.
