Rogers DiClad 870 High-Frequency PCBs: The Perfect Solution for High-Performance Applications

DiClad 870 laminates from Rogers are top-of-the-line woven fiberglass reinforced, PTFE-based composites specifically designed for printed circuit board substrates. These laminates offer a lower dielectric constant (Dk) compared to other laminates in the DiClad series, ensuring excellent performance in high-frequency applications. With a unique composition of PTFE and woven fiberglass, DiClad 870 laminates deliver unmatched reliability and performance.

Key Features:
DiClad 870 laminates come with exceptional features that set them apart in the market:

1. Low Dielectric Constant: With a Dk of 2.33 at 10 GHz and 1 MHz, 50% RH, DiClad 870 laminates provide superior signal integrity and minimal insertion loss.
2. Low Dissipation Factor: These laminates exhibit a dissipation factor of 0.0013 at 10 GHz and 0.0009 at 1 MHz, 50% RH, ensuring efficient signal transmission and reduced energy loss.
3. Temperature Stability: DiClad 870 laminates offer a TcDK of -161 ppm/°C in the range of -10~140°C at 10 GHz, guaranteeing stable performance across varying temperatures.
4. Durability: With an arc resistance of over 180 seconds, DiClad 870 laminates offer exceptional durability and reliability.
5. Moisture Resistance: DiClad 870 laminates have minimal moisture absorption, with a rate of only 0.02%, ensuring long-term stability and reliable performance.
6. Thermal Expansion Control: The laminates exhibit low coefficients of thermal expansion (CTE) in the X-axis (17 ppm/°C), Y-axis (29 ppm/°C), and Z-axis (217 ppm/°C), minimizing the risk of delamination and ensuring dimensional stability.
7. Strong Adhesion: DiClad 870 laminates provide excellent copper peel strength of 14 lbs/in at 10s @288°C, ensuring reliable adhesion.
8. Safety Compliance: These laminates have a flammability rating of UL 94V0, ensuring safety and compliance with industry standards.

Benefits:

The use of DiClad 870 laminates in high-frequency PCBs offers several advantages:

• Enhanced Durability: With the lowest moisture absorption among PTFE-based composites, DiClad 870 laminates offer superior durability in various environmental conditions.
• Consistent Performance: The stable dielectric constant over a wide frequency range ensures consistent performance in high-frequency applications.
• Improved Signal Integrity: The low dielectric constant of DiClad 870 laminates allows for wider line widths, reducing insertion loss and improving signal integrity.

PCB Stackup:
For Rogers DiClad 870, we recommend a 2-layer rigid PCB stackup consisting of copper layer 1 (35 μm), DiClad 870 (0.508 mm or 20mil), and copper layer 2 (35 μm).

PCB Construction Details:

• Board dimensions: 66.2mm x 66.2mm (1PCS) with a tolerance of +/- 0.15mm
• Minimum trace/space: 5/4 mils
• Minimum hole size: 0.4mm
• No blind vias
• Finished board thickness: 0.6mm
• Finished copper weight: 1oz (1.4 mils) on outer layers
• Via plating thickness: 20 μm
• Surface finish: Immersion Silver
• No top or bottom silkscreen
• No top or bottom solder mask
• 100% electrical testing conducted prior to shipment

PCB Statistics:

• Components: 16
• Total Pads: 40
• Thru Hole Pads: 26
• Top SMT Pads: 14
• Bottom SMT Pads: 0
• Vias: 15
• Nets: 2

Artwork and Standards:
The artwork should be provided in Gerber RS-274-X format, adhering to the IPC-Class-2 standard.

Availability:
Rogers DiClad 870 high-frequency PCBs are available worldwide, ensuring accessibility for various industries and applications.

Typical Applications:
Rogers DiClad 870 laminates find applications in a range of high-frequency systems, including radar feed networks, commercial phased array networks, low-loss base station antennas, guidance systems, digital radio antennas, and filters, couplers, and LNAs.

Experience exceptional performance, reliability, and versatility in your high-frequency applications with Rogers DiClad 870 High-Frequency PCBs. Trust the power of cutting-edge technology to take your designs to the next level.