RO4000® Series Laminates are high-performance, cost-effective materials engineered for RF, microwave, and high-speed digital applications. This data sheet outlines the electrical, mechanical, and thermal properties of RO4003C™ and RO4350B™, enabling informed material selection and application design.
1. Product Overview
| Property | RO4003C™ | RO4350B™ |
|---|---|---|
| Material Composition | Glass-reinforced hydrocarbon/ceramic | Glass-reinforced hydrocarbon/ceramic |
| Dielectric Constant (Dk) | 3.38 ± 0.05 (10 GHz) | 3.48 ± 0.05 (10 GHz) |
| Loss Tangent (Df) | ~0.0027 (10 GHz) | ~0.0037 (10 GHz) |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 |
2. Key Features
RO4003C™:
- Stable Dk and Df: Optimized for minimal signal distortion.
- Low Loss: Excellent for high-frequency applications.
- Processability: Compatible with standard FR-4 processing techniques.
RO4350B™:
- Thermal Stability: Enhanced thermal properties for high-power applications.
- Improved Df: Slightly higher loss tangent, ideal for cost-sensitive applications requiring stability.
- Oxidation Resistance: Ensures long-term reliability.
3. Electrical Properties
| Parameter | RO4003C™ | RO4350B™ |
|---|---|---|
| Dielectric Constant (Dk) | 3.38 ± 0.05 | 3.48 ± 0.05 |
| Loss Tangent (Df) @ 10 GHz | ~0.0027 | ~0.0037 |
| Surface Resistivity (Ω/sq) | ≥10⁸ | ≥10⁸ |
| Volume Resistivity (Ω-cm) | ≥10⁸ | ≥10⁸ |
4. Thermal Properties
| Parameter | RO4003C™ | RO4350B™ |
|---|---|---|
| Coefficient of Thermal Expansion (CTE), X/Y | ~11 ppm/°C | ~13 ppm/°C |
| CTE, Z-axis | ~46 ppm/°C | ~50 ppm/°C |
| Glass Transition Temperature (Tg) | >280°C | >280°C |
| Decomposition Temperature (Td) | 425°C | 390°C |
5. Mechanical Properties
| Parameter | RO4003C™ | RO4350B™ |
|---|---|---|
| Tensile Strength | ~50 MPa | ~50 MPa |
| Flexural Strength | ~100 MPa | ~100 MPa |
| Peel Strength (1 oz Cu) | ~1.0 N/mm | ~1.1 N/mm |
| Density | 1.37 g/cm³ | 1.40 g/cm³ |
6. Fabrication Guidelines
- Drilling: Use carbide or diamond-coated tools with optimized feed rates.
- Lamination: Compatible with Rogers prepregs for multi-layer constructions.
- Soldering: Supports lead-free and traditional soldering techniques.
- Etching: Standard copper etching processes are suitable.
7. Applications
- RO4003C™: High-frequency filters, couplers, and antennas.
- RO4350B™: High-power RF and microwave applications, automotive radar, and base station infrastructure.
8. Availability
- Thickness: Ranges from 0.008” (0.203 mm) to 0.060” (1.524 mm).
- Copper Cladding: Available in ½ oz, 1 oz, and 2 oz options.
- Panel Size: Standard sizes of 18” x 24” (457 mm x 610 mm) and 24” x 36” (610 mm x 914 mm).
9. Regulatory Compliance
- RoHS and REACH Compliant: Free from hazardous substances.
- UL Certification: UL 94 V-0 flame retardancy.
RO4000 (RO4350B RO4003C) Series High Frequency Circuit Materials Data Sheet
