Rogers RO4003C Calculator - RayPCB Engineering Tools

Rogers RO4003C

3.38

Df @10GHz

0.0027

>280°C

Thermal K

0.71 W/m·K

⚡ Impedance Calculator

📊 Material Data

📐 Stack-up Builder

📡 RF Analysis

🔬 Material Compare

Transmission Line Calculator

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Microstrip

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Stripline

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GCPWG

Trace Width (mm)

Substrate Height (mm)

Copper Thickness

Gap Width (mm)

Target Impedance (Ω) — Find Optimal Width

Calculated Impedance

50.00Ω

Effective Dk: 2.800

Cross Section View

⚡ Electrical Properties

Dielectric Constant (Dk)	3.38 ±0.05	@10GHz, 23°C
Dissipation Factor (Df)	0.0027	@10GHz, 23°C
Volume Resistivity	1.7×10¹⁰ MΩ·cm	C-96/35/90
Surface Resistivity	5.7×10⁹ MΩ	C-96/35/90
Electrical Strength	31 kV/mm	IPC-TM-650

🌡️ Thermal Properties

Thermal Conductivity	0.71 W/m·K
CTE (X-axis)	11 ppm/°C	-55 to 288°C
CTE (Y-axis)	14 ppm/°C	-55 to 288°C
CTE (Z-axis)	46 ppm/°C	-55 to 288°C
Glass Transition (Tg)	>280°C	TMA
Decomposition (Td)	425°C	TGA

🔧 Mechanical Properties

Peel Strength (1 oz Cu)	6.0 lb/in	After solder float
Flexural Strength	200 MPa	Lengthwise
Density	1.79 g/cm³
Moisture Absorption	0.06%	48hr immersion
Flammability	UL 94 V-0

📏 Standard Core Thicknesses

0.203 mm (8 mil)

0.305 mm (12 mil)

0.406 mm (16 mil)

0.508 mm (20 mil)

0.813 mm (32 mil)

1.524 mm (60 mil)

Copper Foil Options

0.5 oz (17.5 μm)

1 oz (35 μm)

2 oz (70 μm)

📐 Stack-up Builder

Total Stack-up Thickness: 0.578 mm (22.8 mil)

Visual Stack-up

Stack-up Summary

Copper Layers

Dielectric Layers

📡 Frequency Analysis

Operating Frequency (GHz)

10.0 GHz

Wavelength (λ)

17.932 mm

λ/4 = 4.483 mm

Skin Depth (δ)

0.661 μm

In copper

Effective Dk

2.800

For microstrip

🎯 Application Frequency Bands

GPS L1/L2

1.2-1.6 GHz

WiFi 2.4G

2.4-2.5 GHz

WiFi 5G

5.1-5.8 GHz

X-Band

8-12 GHz

Ku-Band

12-18 GHz

K-Band

18-27 GHz

Ka-Band

26-40 GHz

RO4003C Frequency Performance

Ultra-low loss (Df=0.0027) for superior signal integrity
Stable Dk (±0.05) across frequency range up to 40 GHz
Excellent phase stability for antenna designs
Consistent performance across temperature range

🔬 Material Comparison

Property	RO4003C ★	FR-4	RO4350B	RT/duroid 5880
Dk @10GHz	3.38	4.2-4.5	3.48	2.20
Df @10GHz	0.0027	0.02	0.0037	0.0009
Tg (°C)	>280	130-140	280	>500
CTE Z (ppm/°C)	46	60-70	32	237
Thermal K (W/m·K)	0.71	0.25	0.69	0.20
Cost Index	$$	$	$$	$$$$
Lead-Free Compatible	✓	✓	✓	✗
Max Frequency	40 GHz	~3 GHz	77 GHz	110 GHz

Why Choose RO4003C?

Lowest loss in the RO4000 series (Df=0.0027)
Excellent for high-frequency applications up to 40 GHz
Compatible with standard FR-4 fabrication processes
Lead-free assembly compatible
Ideal for LNAs, filters, and antenna feed networks
Cost-effective alternative to PTFE materials

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