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About Us
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SRCG294
Product Introduction
SRCG294 is the company's independent research and development for imported CLTE-XT products, as the top substitute for domestic materials, SRCG294 is the use of ceramic-filled PTFE glass fiber cloth reinforced high-frequency microwave substrate, with better dielectric properties and extremely low thermal expansion coefficient, to meet the aerospace field for high-frequency PCB multi-layer, multi-functional, SRCG294 has a stable dielectric constant (DK2.94±0.04), ultra-low dielectric loss is extremely low (Df0.0012) and can be paired with ultra-low profile or buried copper foil.
Product Features:
●Ultra-low dielectric loss
●Stable dielectric constant
●Very low CTE value
●Excellent mechanical properties
Product performance
| Test the project property | Test Condition | Typical Value | Test Standards |
| IPC-TM-650 | |||
Dielectric Constant |
(10GHz) | 2.94±0.04 | 2.5.5.5.1 |
Dispersion Factor |
(10GHz) | 0.0012 | 2.5.5.5.1 |
| Coefficient of thermal expansion CTE (-55°C-288°C) ppm/°C |
X | 14 | 2.4.41 |
| Y | 17 | ||
| Z | 30 | 2.4.24C | |
| Dimensional stability | mm/m weft/radial | 0.11/0.12 | 2.4.39A |
| εr Thermal Change Rate (0°C-100°C) |
ppm/°C | -13 | 2.5.5.5.1 |
Volume Resistivity |
Mohm.cm | 3.40x10⁸ | 2.5.17.1A |
Surface Resistivity |
Mohm | 2.57x10⁷ | |
Water Absorption |
% | 0.03 | 2.6.2.1 |
Density Density |
g/cm³ | 2.1 | 2.3.5B |
Peel strength |
(N/mm) | 1.24 | 2.4.8C |
Fields of application
●Phase shifter, calibration network, etc.
●Beidou navigation system
●Satellite system
Keyword:
SRCG294
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