The F4BTMS PCB represents the latest advancement in high-performance materials, building on the foundation of the F4BTM series. This upgraded material incorporates a significant amount of ceramics and utilizes ultra-thin, ultra-fine fiberglass cloth reinforcement, resulting in enhanced performance characteristics. Designed for high-reliability applications, particularly in aerospace, the F4BTMS series is capable of replacing similar foreign products with superior properties.
The innovative formulation minimizes dielectric loss and enhances dimensional stability by reducing the fiberglass effect during the propagation of electromagnetic waves. This advancement allows for higher frequency usage, increased electrical strength, and improved thermal conductivity. The F4BTMS series is also characterized by an excellent low coefficient of thermal expansion and stable dielectric temperature characteristics, making it an ideal choice for demanding environments.
Key Features
The F4BTMS series boasts minimal dielectric constant tolerance and exceptional batch-to-batch consistency. It exhibits extremely low dielectric loss, maintaining a stable dielectric constant and low loss across frequencies up to 40 GHz, which is essential for phase-sensitive applications.
With a superior temperature coefficient of dielectric constant and loss, the material maintains frequency and phase stability within a temperature range of -55°C to 150°C. Its excellent resistance to radiation ensures that the dielectric and physical properties remain stable even after exposure to irradiation.
Additionally, the F4BTMS series exhibits low outgassing performance, meeting the stringent vacuum outgassing requirements for aerospace applications. The minimal thermal expansion coefficients in the X, Y, and Z directions assure dimensional stability and reliable hole copper connections. Improved thermal conductivity makes it suitable for high-power applications, while its low water absorption further enhances its reliability.
| PCB Material: | PTFE,Ultra-thin and ultra-fine fiberglass, ceramics. |
| Designation (F4BTMS ) | F4BTMS | DK (10GHz) | DF (10 GHz) |
| F4BTMS220 | 2.2±0.02 | 0.0009 |
| F4BTMS233 | 2.33±0.03 | 0.0010 |
| F4BTMS255 | 2.55±0.04 | 0.0012 |
| F4BTMS265 | 2.65±0.04 | 0.0012 |
| F4BTMS294 | 2.94±0.04 | 0.0012 |
| F4BTMS300 | 3.0±0.04 | 0.0013 |
| F4BTMS350 | 3.5±0.05 | 0.0016 |
| F4BTMS430 | 4.3±0.09 | 0.0015 |
| F4BTMS450 | 4.5±0.09 | 0.0015 |
| F4BTMS615 | 6.15±0.12 | 0.0020 |
| F4BTMS1000 | 10.2±0.2 | 0.0020 |
| Layer count: | Single Sided, Double Sided PCB, Multilayer PCB, Hybrid PCB |
| Copper weight: | 0.5oz (17 µm), 1oz (35µm), 2oz (70µm) |
| Dielectric thickness | 0.09mm (3.5mil), 0.127mm (5mil), 0.254mm(10mil),0.508mm(20mil), 0.635mm(25mil), 0.762mm(30mil), 0.787mm(31mil), 1.016mm(40mil), 1.27mm(50mil), 1.5mm(59mil), 1.524mm(60mil), 1.575mm(62mil), 2.03mm(80mil), 2.54mm(100mil), 3.175mm(125mil), 4.6mm(160mil), 5.08mm(200mil), 6.35mm(250mil) |
| PCB size: | ≤400mm X 500mm |
| Solder mask: | Green, Black, Blue, Yellow, Red etc. |
| Surface finish: | Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP, Pure gold, ENEPIG etc.. |
Model Numbers
The F4BTMS series includes several model numbers, each offering different dielectric constants:
- F4BTMS220 (Dk 2.2)
- F4BTMS233 (Dk 2.33)
- F4BTMS255 (Dk 2.55)
- F4BTMS265 (Dk 2.65)
- F4BTMS294 (Dk 2.94)
- F4BTMS300 (Dk 3.0)
- F4BTMS350 (Dk 3.5)
- F4BTMS430 (Dk 4.3)
- F4BTMS450 (Dk 4.5)
- F4BTMS615 (Dk 6.15)
- F4BTMS1000 (Dk 10.2)
Specifications
The PCB stackup consists of a 2-layer rigid design, featuring a Copper Layer 1 of 35 μm, a Rogers F4BTMS1000 core measuring 2.0 mm, and a Copper Layer 2 also at 35 μm.
The board dimensions are 57 mm x 57 mm, with a tolerance of +/- 0.15 mm. The minimum trace/space is set at 6/8 mils, while the minimum hole size is 0.4 mm.
With a finished board thickness of 2.1 mm and a finished copper weight of 2 oz (2.8 mils) for the outer layers, the board is designed for durability. The via plating thickness is 20 μm, and the surface finish is immersion gold.
There is no silkscreen or solder mask on either side of the board, and controlled depth slots are required. Each PCB undergoes a 100% electrical test prior to shipment to ensure reliability.
Standards & Availability
The F4BTMS PCB is provided to high-quality standards, with the artwork type being Gerber RS-274-X. It adheres to IPC-Class-2 quality standards, ensuring its reliability and performance. This product is available worldwide, making it accessible for various applications.
Typical Applications
The F4BTMS PCB is ideal for a wide range of applications, including:
- Aerospace and aviation equipment
- Space installations and cabin setups
- Microwave and RF applications
- Radar systems, particularly in military contexts
- Feed networks for signal distribution
- Phase-sensitive antennas and phased array antennas
- Satellite communications
With its advanced features and robust performance, the F4BTMS PCB is an exceptional choice for high-frequency, high-reliability electronic applications.
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