2. Rogers AD250C PCB Features

1. Precisely controlled dielectric constant (Dk) of 2.5 ±0.04 at 10GHz for stable signal transmission
2. Ultra-low dissipation factor (Df) of 0.0013 at 10GHz, ensuring minimal high-frequency signal loss
3. Thermal conductivity of 0.33 W/m/°K for effective heat dissipation in continuous operation
4. CTE values: X-axis 47 ppm/°C, Y-axis 29 ppm/°C, Z-axis 196 ppm/°C
5. High glass transition temperature (Tg) of over 280 °C for enhanced thermal resistance
6. Extremely low water absorption rate of 0.04%, maintaining performance in humid environments
7. UL 94 V-0 flammability rating, complying with strict international safety standards

3. Rogers AD250C PCB Benefits

1. Features an ultra-low loss tangent (below 0.002 at 10 GHz), delivering exceptional circuit performance across all mainstream wireless frequency bands
2. Tightly controlled dielectric constant (±0.05) guarantees repeatable, consistent circuit performance batch after batch
3. Offers extremely low PIM performance (-159 dBc at 30 mil, 1900 MHz), optimizing antenna functionality and reducing yield losses caused by PIM-related issues
4. Provides excellent dimensional stability, supporting reliable circuit performance and improving overall manufacturing yields

4. PCB Construction Details

Item	Specification
Base material	AD250C+ TG170 FR-4
Layer count	4-layer rigid PCB
Board dimensions	79.6mm x 103.4mm per piece, tolerance +/- 0.15mm
Minimum Trace/Space	7/5 mils
Minimum Hole Size	0.4mm
Blind vias / Buried vias	No Blind vias / Buried vias
Finished board thickness	1.8mm (60mil AD250C core)
Finished Cu weight	1oz for each layer
Via plating thickness	20 μm
Surface finish	Immersion Tin
Top Silkscreen	White
Bottom Silkscreen	No
Top Solder Mask	No
Bottom Solder Mask	No
Quality Control	100% Electrical test prior to shipment

5. PCB Stackup

1. Copper_layer_1 - 35 μm
2. AD250C substrate - 1.524 mm (60mil)
3. Copper_layer_2 - 35 μm
4. FR-4 Prepreg - 0.2mm
5. Copper_layer_3 - 35 μm
6. Tg170 FR-4 Core - 0.102 mm (4mil)
7. Copper_layer_4 - 35 μm

6. PCB Statistics

1. Components: 29
2. Total Pads: 72
3. Thru Hole Pads: 41
4. Top SMT Pads: 31
5. Bottom SMT Pads: 0
6. Vias: 82
7. Nets: 2

7. Artwork & Quality Standards

1. Type of artwork supplied: Gerber RS-274-X
2. Accepted quality standard: IPC-Class-2
3. Availability: worldwide

8. Typical Applications

1. Cellular infrastructure base station antenna
2. Automotive telematics antenna systems
3. Commercial satellite radio antenna

Conclusion

Rogers AD250C 4-Layer high frequency PCB stands out as a premium solution for wireless communication and antenna applications, featuring ultra-low loss, stable dielectric properties and exceptional PIM performance. With a 1.8mm finished thickness, immersion tin surface finish, IPC Class 2 quality compliance and a robust hybrid material stackup, Rogers AD250C laminate PCB ensures reliable, repeatable performance in cellular, automotive telematics and satellite radio systems, meeting global demands for high-quality wireless electronic equipment.

Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen, China, serving customers worldwide.

 

We are devoted to delivering high-frequency PCB products and solutions of the highest quality, along with customized service. Get in touch with us to start your project !

Visit https://www.bicheng-enterprise.com to learn more.