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Taconic High Frequency PCB Built on RF-35TC 30mil 0.762mm With Black Solder Mask for Antennas
(Printed Circuit Boards are custom-made products, the picture and parameters shown are just for reference)
RF-35TC is a type of high frequency material from Taconic company. It offers a "best in class" low dissipation factor with high thermal conductivity. This material is best suited for high power applications where every 1/10th of a dB is critical and the PCB substrate is expected to diffuse heat away from both transmission lines and surface mount components such as transistors.
RF-35TC is a PTFE based, ceramic filled fiberglass substrate. It will not oxidize, yellow or show upward drift in dielectric constant and dissipation factor like its synthetic rubber (hydrocarbon) competitors.
This laminate has a low dielectric constant value of 3.50 and has extremely low Df of 0.0011. It provides a low dissipation factor with high thermal conductivity and bonds very well to low profile copper, further reducing insertion loss.
Antennas, satellites, filters, couplers, and power amplifiers find the RF-35TC laminates to be the perfect fit.
PCB Specifications
| PCB SIZE | 90 x 45mm=1PCS |
| BOARD TYPE | Double sided PCB |
| Number of Layers | 2 layers |
| Surface Mount Components | YES |
| Through Hole Components | YES |
| LAYER STACKUP | copper ------- 35um(1 oz)+plate TOP layer |
| RF-35TC 0.762mm | |
| copper ------- 35um(1oz) + plate BOT Layer | |
| TECHNOLOGY | |
| Minimum Trace and Space: | 4 mil / 5 mil |
| Minimum / Maximum Holes: | 0.4 mm / 5.5 mm |
| Number of Different Holes: | 9 |
| Number of Drill Holes: | 21 |
| Number of Milled Slots: | 1 |
| Number of Internal Cutouts: | 1 |
| Impedance Control: | no |
| Number of Gold finger: | 0 |
| BOARD MATERIAL | |
| Glass Epoxy: | RF-35TC 0.762mm |
| Final foil external: | 1.5 oz |
| Final foil internal: | N/A |
| Final height of PCB: | 0.8 mm ±0.1 |
| PLATING AND COATING | |
| Surface Finish | ENIG |
| Solder Mask Apply To: | TOP, 12micron Minimum |
| Solder Mask Color: | Green, PSR-2000GT600D, Taiyo Supplied. |
| Solder Mask Type: | LPSM |
| CONTOUR/CUTTING | Routing |
| MARKING | |
| Side of Component Legend | TOP |
| Colour of Component Legend | White, IJR-4000 MW300, Taiyo brand |
| Manufacturer Name or Logo: | Marked on the board in a conductor and leged FREE AREA |
| VIA | Plated through hole(PTH), minimum size 0.4mm. |
| FLAMIBILITY RATING | UL 94-V0 Approval MIN. |
| DIMENSION TOLERANCE | |
| Outline dimension: | 0.0059" |
| Board plating: | 0.0029" |
| Drill tolerance: | 0.002" |
| TEST | 100% Electrical Test prior shipment |
| TYPE OF ARTWORK TO BE SUPPLIED | email file, Gerber RS-274-X, PCBDOC etc |
| SERVICE AREA | Worldwide, Globally. |
Data Sheet of RF-35TC
| RF-35TC TYPICAL VALUES | |||||
| Property | Test Method | Unit | Value | Unit | Value |
| DK @10 GHz | IPC-650 2.5.5.5.1(modified) | 3.5 | 3.5 | ||
| Tck(-30 to 120℃) | IPC-650 2.5.5.5.1(modified) | ppm | 24 | ppm | 24 |
| Df @10 GHz | IPC-650 2.5.5.5.1(modified) | 0.0011 | 0.0011 | ||
| Dielectric Breakdown | IPC-650 2.5.6(in-Plane,Two Pins in Oil) | kV | 56.7 | kV | 56.7 |
| Dielectric Strength | ASTM D 149(Through Plane) | V/mil | 570 | V/mm | 22,441 |
| Arc Resistance | IPC-650 2.5.1 | Seconds | 304 | Seconds | 304 |
| Moisture Absorption | IPC-650 2.6.2.1 | % | 0.05 | % | 0.05 |
| Flexural Strength(MD) | ASTM D 790/IPC-650 2.4.4 | psi | 12,900 | N/mm2 | 88.94 |
| Flexural Strength(CD) | ASTM D 790/IPC-650 2.4.4 | psi | 11,700 | N/mm2 | 80.67 |
| Tensile Strength(MD) | ASTM D 3039/IPC-TM-650 2.4.19 | psi | 9,020 | N/mm2 | 62.19 |
| Tensile Strength(CD) | ASTM D 3039/IPC-TM-650 2.4.19 | psi | 7,740 | N/mm2 | 53.37 |
| Elongation at Break(MD) | ASTM D 3039/IPC-TM-650 2.4.19 | % | 1.89 | N/mm | 1.89 |
| Elongation at Break(CD) | ASTM D 3039/IPC-TM-650 2.4.19 | % | 1.7 | % | 1.7 |
| Young's Modulus(MD) | ASTM D 3039/IPC-TM-650 2.4.19 | psi | 667,000 | N/mm2 | 4,599 |
| Young's Modulus(CD) | ASTM D 3039/IPC-TM-650 2.4.19 | psi | 637,000 | N/mm2 | 4,392 |
| Poisson's Ratio(MD) | ASTM D 3039/IPC-TM-650 2.4.19 | 0.18 | 0.18 | ||
| Poisson's Ratio(CD) | ASTM D 3039/IPC-TM-650 2.4.19 | 0.23 | 0.18 | ||
| Compressive Modulus | ASTM D 695(23℃) | psi | 560,000 | N/mm2 | 3,861 |
| Flexural Strength(MD) | ASTM D 790/IPC-650 2.4.4 | psi | 1.46 x 106 | N/mm2 | 10,309 |
| Flexural Strength(CD) | ASTM D 790/IPC-650 2.4.4 | psi | 1.50 x 106 | N/mm2 | 10,076 |
| Peel Stength(½ oz.CVH) | IPC-650 2.4.8(Thermal Stress.) | Ibs./inch | 7 | g/cm3 | 1.25 |
| Thermal Conductivity(Unclad,125℃) | ASTM F433(Guarded Heat Flow) | W/(mK) | 0.6 | W/(mK) | 0.6 |
| Thermal Conductivity(C1/C1,125℃) | ASTM F433(Guarded Heat Flow) | W/(mK) | 0.92 | W/(mK) | 0.92 |
| Thermal Conductivity(CH/CH,125℃) | ASTM F433(Guarded Heat Flow) | W/(mK) | 0.87 | W/(mK) | 0.87 |
| Dimensional Stability(MD) | IPC-650-2.4.39 Sec.5.4(After Etch) | mils/in. | 0.23 | mm/M | 0.23 |
| Dimensional Stability(CD) | IPC-650-2.4.39 Sec.5.4(After Etch) | mils/in. | 0.64 | mm/M | 0.64 |
| Dimensional Stability(MD) | IPC-650-2.4.39 Sec.5.5(Thermal Stress.) | mils/in. | -0.04 | mm/M | -0.04 |
| Dimensional Stability(CD) | IPC-650-2.4.39 Sec.5.5(Thermal Stress.) | mils/in. | 0.46 | mm/M | 0.46 |
| Surface Resistivity | IPC-650 2.5.17.1(after elevated temp.) | Mohms | 8.33 x 107 | Mohms | 8.33 x 107 |
| Surface Resistivity | IPC-650 2.5.17.1(after humidity) | Mohms | 6.42 x 107 | Mohms | 6.42 x 107 |
| Volume Resistivity | IPC-650 2.5.17.1(after elevated temp.) | Mohms/cm | 5.19 x 108 | Mohms/cm | 5.19 x 108 |
| Volume Resistivity | IPC-650 2.5.17.1(after humidity) | Mohms/cm | 2.91 x 108 | Mohms/cm | 2.91 x 108 |
| CTE(X axis)(25-260℃) | IPC-650 2.4.41/ASTM D 3386 | ppm/℃ | 11 | ppm/℃ | 11 |
| CTE(Y axis)(25-260℃) | IPC-650 2.4.41/ASTM D 3386 | ppm/℃ | 13 | ppm/℃ | 13 |
| CTE(Z axis)(25-260℃) | IPC-650 2.4.41/ASTM D 3386 | ppm/℃ | 34 | ppm/℃ | 34 |
| Density | ASTM D 792 | g/cm3 | 2.35 | g/cm3 | 2.35 |
| Hardness | ASTM D 2240(Shore D) | 79.1 | 79.1 | ||
| Strain at Break(MD) | ASTM D 790/IPC-650 2.4.4 | % | 0.014 | % | 0.014 |
| Strain at Break(CD) | ASTM D 790/IPC-650 2.4.4 | % | 0.013 | % | 0.013 |
| Specific Heat | ASTM E 1269-05,E 967-08,E968-02 | j/(g℃) | 0.94 | j/(g℃) | 0.94 |
| Td(2% Weight Loss) | IPC-650 2.4.24.6/TGA | oF | 788 | ℃ | 420 |
| Td(5% Weight Loss) | IPC-650 2.4.24.6/TGA | oF | 817 | ℃ | 436 |
