MCL-HE-679G (Type S)
Halogen Free, Low Dielectric Constant, High Heat Resistance Multilayer Material
About the product
- Product
- CCL
-
MCL-HE-679G (Type S)
- Prepreg
-
GHA-679G (Type S)
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Applications
- Network applications
- High-frequency parts (Filters, VCOs, etc.)
Benefits
- Enables lower transmission loss than MCL-HE-679G with lower dissipation factor.
- High Tg and superior heat resistance for soldering. (Suitable for lead free process)
- CTE in Z-direction is 30 % lower than that of standard FR-4.
- Achieved UL 94V-0 flammability standard without using any compound which includes halogen, antimony or red phosphorous.
Characteristics
Correlation between Dielectric Constant and Frequency

Correlation between Dissipation Factor and Frequency

Transmission Loss

Measurement conditions
- Evaluation PWB:Micro Strip Line
- Temperature and Humidity: 25℃/60%RH
- Characteristic impedance:Approx. 50Ω
- Calibration method : TRL(Thru-Reflect-Line)
- Trace width (w) : 0.11 mm
- Dielectric thickness(b) : 0.22 mm
- Trace thickness(t) : 18 μm

Copper Clad Laminate
(t0.8 mm)
- ※1 Heating Rate: 10 °C/min (Comp.)
- ※2 Measured by Triplate-line Resonator.
- ※3Refer to"Condition Note"
- ※ Above data are experimental results and not guaranteed.
Specifications
Copper Clad Laminate
Note1) Laminate thickness means dielectric layer thickness.
Prepreg
※1) Dielectric thickness after lamination is defined as the thickness of one sheet of prepreg when the resin flow is 0 %. Values change depending on the press condition or inner layer pattern.
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