We are pleasure to announce the arrival of our latest shipment of F4BM250 High Frequency PCB! This cutting-edge PCB is designed to meet the demands of high-frequency applications, delivering exceptional performance and reliability. We are excited to introduce this advanced PCB to you.

Substrates Profile
Wangling F4BM250 PTFE Fiberglass Positive ED copper foil is a high-quality PCB substrate offering excellent performance. With a dielectric constant of 2.50 at 10 GHz/23°C and a low loss tangent of 0.0012 at 10 GHz, this substrate ensures reliable signal transmission. It boasts a peel strength greater than 1.8 N/mm, ensuring strong adhesion between layers. With a moisture absorption rate of less than 0.08%, it exhibits excellent resistance to moisture. The CTE values of 20 ppm/°C (X-axis), 25 ppm/°C (Y-axis), and 187 ppm/°C (Z-axis) provide stability and dimensional control.

Substrates Features
The F4BM250?substrates offer a range of dielectric thicknesses, allowing flexibility in design. Their diverse sizes contribute to cost-saving opportunities, making them suitable for various applications. These substrates are commercially available, produced on a large scale, and offer high cost-effectiveness.

PCB Stackup: 2-layer rigid PCB
The stackup for the F4B PCB consists of:

Copper_layer_1: 35 μm
F4BM250: 0.762 mm (30mil)
Copper_layer_2: 35 μm

PCB Construction details
The construction details of the F4B PCB are as follows:

Board dimensions: 96.15mm x 58.4 mm (1PCS), +/- 0.15mm tolerance
Minimum Trace/Space: 6/5 mils
Minimum Hole Size: 0.4mm
No Blind vias
Finished board thickness: 0.8mm
Finished Cu weight: 1oz (1.4 mils) outer layers
Via plating thickness: 20 μm
Surface finish: Bare copper (no surface finish)
Top Silkscreen: No
Bottom Silkscreen: No
Top Solder Mask: No
Bottom Solder Mask: No
100% Electrical test used prior to shipment

PCB Statistics
The F4B PCB features the following statistics:

Components: 35
Total Pads: 80
Thru Hole Pads: 38
Top SMT Pads: 42
Bottom SMT Pads: 0
Vias: 63
Nets: 7

Artwork and Standards
The artwork supplied for the F4BM250 PCB is in Gerber RS-274-X format. It adheres to the IPC-Class-2 standard, ensuring high quality and reliability.

Availability and Applications
The F4B PCB substrates are available to worldwide and find applications in various fields, including:

Microwave, RF, Radar
Phase shifter, passive device
Power divider, coupler, combiner
Feed network, phased array antenna
Satellite communication, base station antenna