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F4BTMS255 Double-Sided PCB 60mil Immersion Gold PCB for Aerospace and RF Applications

Printed Circuit Boards are custom-made products; the images and specifications provided are for reference only.

 

1. F4BTMS255 Double-Sided PCB Introduction

This F4BTMS255 PCB is a double-sided rigid board constructed with F4BTMS255 high-frequency material, achieving a finished thickness of 1.6mm. It is specifically designed for demanding applications in aerospace, radar systems, and RF communications. The board features 1oz copper weight, immersion gold surface finish, and undergoes 100% electrical testing to ensure reliability. Compliant with IPC-Class-2 standards, this PCB offers excellent high-frequency performance with stable dielectric characteristics.

 

 

2. PCB Construction Details:

 

Base Material: F4BTMS255

 

Layer Count: Double Sided

 

Board Dimensions: 87mm x 80mm = 1PCS, +/- 0.15mm

 

Minimum Trace/Space: 5/7 mils

 

Minimum Hole Size: 0.3mm

 

No Blind Vias

 

Finished Board Thickness: 1.6mm

 

Finished Cu Weight: 1oz (1.4 mils)

 

Via Plating Thickness: 20 μm

 

Surface Finish: Immersion Gold

 

Top Silkscreen: White

 

Bottom Silkscreen: No

 

Top Solder Mask: No

 

Bottom Solder Mask: No

 

100% Electrical Test Used Prior to Shipment

 

3. PCB Stackup: 2-Layer Rigid PCB

 

Copper Layer 1 - 35 μm

 

F4BTMS255 Core - 1.524 mm (60mil)

 

Copper Layer 2 - 35 μm

 

 

4. PCB Statistics:

 

Components: 28

 

Total Pads: 65

 

Thru Hole Pads: 44

 

Top SMT Pads: 21

 

Bottom SMT Pads: 0

 

Vias: 41

 

Nets: 2

 

5. Type of Artwork Supplied: Gerber RS-274-X

 

 

6. Quality Standard: IPC-Class-2

 

 

7. Availability: Worldwide

 

 

8. F4BTMS255 Material Features:

 

Dielectric Constant (Dk) of 2.55 +/-0.04 at 10GHz

 

Dissipation Factor of 0.0012 at 10GHz, 0.0013 at 20GHz

 

CTE X-axis of 15 ppm/°C, CTE Y-axis of 20 ppm/°C, CTE Z-axis of 80 ppm/°C (-55°C to 288°C)

 

Low Thermal Coefficient of Dk at -92 ppm/°C (-55°C to 150°C)

 

UL-94 V0 Flammability Rating

 

Low Moisture Absorption of 0.025%

 

RTF Low Roughness Copper Foil Standard

 

Enhanced Dimensional Stability

 

Improved Thermal Conductivity

 

 

9. Some Typical Applications:

 

Aerospace Equipment, Space and Cabin Equipment

 

Microwave, RF Circuits

 

Radar Systems, Military Radar

 

Feed Networks

 

Phase-Sensitive Antennas, Phased Array Antennas

 

Satellite Communications

 

 

 

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