High-speed transmission FPC

Features

• 40 Gbps/ch. high-speed transmission.
• For high-temperature environments (125°C).
• Using liquid crystal polymer (LCP) with low loss and excellent high-frequency characteristics.
• FPC length: Up to 460 mm. • Bendable.
• Custom wiring can be designed to meet individual performance requirements, such as low loss and low crosstalk.
• Allows 56G PAM4 transmission when combined with Yamaichi’s YFLEX®.

Specifications (general performance)

Specifications (electrical performance)

Item	Conditions	Test result
Resistance test per bump	Normal temperature/Normal humidity	6 mΩ max.
Temperature and humidity cycle test	-55°C to 125°C, 1000 cycles	Resistance change rate within 10%
High-temperature retention test	85℃, 1,000 h	Resistance change rate within 10%
Low-temperature retention test	-40℃, 1,000 h	Resistance change rate within 10%
High-temperature constant-humidity test	85℃, 90% (RH), 1,000 h	Resistance change rate within 10%
Ion migration test	40℃, 90% (RH), 60 VDC, 1,000 h	No abnormality
Copper foil pull-off strength test	90 peels (copper thickness: 35 μm)	0.8 kN/m min.
Soldering heat resistance test	260℃, 20 S	No abnormality
Inductance (1 GHz)	Bridge method	2.8
Dielectric loss tangent (1 GHz)	Bridge method	0.0025
Water absorption rate	23℃, 24 h	0.04% max.
Thermal expansion coefficient	Thermomechanical analysis (TMA)	Vertical direction: 17 ppm
		Lateral direction: 17 ppm

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High-speed transmission FPC

High-speed transmission FPC You can download the product diagram and catalog data.