Send Message
Home ProductsRF PCB Board

40mil 1oz Copper High Frequency PCB Taconic TRF-45

China Bicheng Electronics Technology Co., Ltd certification
China Bicheng Electronics Technology Co., Ltd certification
Kevin, Received and tested the boards - thanks very much. These are perfect, exactly what we needed. rgds Rich

—— Rich Rickett

Ruth, I got the PCB today, and they are just perfect. Please stay a little patience, my next order is coming soon. Kind regards from Hamburg Olaf

—— Olaf Kühnhold

Hi Natalie. It was perfect, I attach some pictures for your reference. And I send you next 2 projects to budget. Thanks a lot again

—— Sebastian Toplisek

Kevin, Thanks, they were perfectly made, and work well. As promised, here are the links for my latest project, using the PCBs you manufactured for me: Regards, Daniel

—— Daniel Ford

I'm Online Chat Now

40mil 1oz Copper High Frequency PCB Taconic TRF-45

Detailed Product Description
High Light:

Taconic TRF-45 PCB Material


1oz Copper High Frequency PCB


40mil High Frequency PCB

We are pleased to introduce our latest product, a 2-layer rigid PCB that has just been shipped. This PCB is designed to meet the highest standards of performance and reliability. Let's explore the key features and specifications of this exceptional product:


1. PCB Material:

The PCB is constructed using Taconic TRF-45 ceramic-filled PTFE composites, renowned for their excellent electrical properties and durability.
The dielectric constant of 4.5 at 10 GHz/23°C ensures reliable signal transmission and impedance control.
With a dissipation factor of 0.0035 at 10 GHz/23°C, the PCB minimizes signal loss and maintains high signal integrity.
The moisture absorption rate is only 0.06%, ensuring the PCB's stability and reliability even in humid environments.
The PCB operates flawlessly within a temperature range of -40℃ to +85℃, making it suitable for a wide range of applications.


2. Stackup:

The PCB consists of a 2-layer rigid design, offering simplicity and ease of use.
Copper Layer 1 has a thickness of 35 μm.
The substrate, Taconic TRF-45, has a thickness of 1.016 mm (40 mils).
Copper Layer 2 also has a thickness of 35 μm.


3. Construction Details:

The board dimensions are precisely set at 31.5mm x 26.56mm, ensuring accurate fit and compatibility with your applications.
The PCB supports a minimum trace and space requirement of 5/4 mils, allowing for intricate and compact designs.
With a minimum hole size of 0.35mm, the PCB accommodates various component types and allows for efficient assembly.
There are no blind vias present on this PCB.
The finished board thickness is 1.14mm, providing stability and strength.
The finished copper weight is 1 oz (1.4 mils) on the outer layers, ensuring optimal conductivity.
Via plating thickness is 20 μm, facilitating reliable connections between layers.
The surface finish is Immersion Gold, offering excellent corrosion resistance and solderability.
No top or bottom silkscreen or solder mask is applied to this PCB.
Each unit undergoes a 100% electrical test prior to shipment, ensuring its functionality and reliability.


4. PCB Statistics:

The PCB accommodates 24 components, allowing for diverse applications and functionalities.
It features a total of 37 pads, with 22 being thru-hole pads and 15 top SMT pads.
There are no bottom SMT pads on this PCB.
The PCB includes 51 vias, providing versatile interconnectivity options.
It supports 2 nets, enabling efficient signal routing.


For any technical inquiries or questions, please don't hesitate to contact Ivy at Our dedicated team is ready to provide the necessary assistance and support.


PCB Material: Ceramic filled PTFE
Designation: TRF-45
Dielectric constant: 4.5
Dissipation Factor 0.0035 10GHz
Layer count: Double Sided PCB, Multilayer PCB, Hybrid PCB
Copper weight: 0.5oz (17 µm), 1oz (35µm), 2oz (70µm)
PCB thickness: 8mil (0.20mm), 16mil (0.41mm), 24mil (0.61mm), 32mil (0.81mm), 40mil (1.02mm), 64mil (1.63mm), 120mil (3.05mm)
PCB size: ≤400mm X 500mm
Solder mask: Green, Black, Blue, Yellow, Red etc.
Surface finish: Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP etc..


Property Test Method Unit Value
Material / / RF-45
Dielectric Constant @ 10GHz IPC-TM-650 / 4.5
Dissipation Factor @ 10GHz IPC-TM-650 / 0.0035
Moisture Absorption IPC-TM-650 % ≤0.06
Flexural Strength (Lengthwise) IPC-TM-650.2.4.4 lbs / in (N/mm2) 17000 (177)
Flexural Strength (Transverse) IPC-TM-650 2.4.4 lbs / in (N/mm2) 15000 (103)
Peel Strength IPC-TM-650 2.4.8 (Thermal Stress) lbs / in (N/mm) >8 (>1.4)
Thermal Conductivity ASTM F 433 W/m/K 0.43
Volume Resistivity IPC-TM-650 Mohm/cm 8.0 x 107
Surface Resistivity IPC-TM-650. Mohm 3.0 x 107
CTE (x) ASTM D 3386 (TMA) ppm/℃ 9
CTE (y) ASTM D 3386 (TMA) ppm/℃ 9
CTE (z) ASTM D 3386 (TMA) ppm/℃ 40

TRF-45: Unleashing the Power of Ceramic-filled PTFE Composites

Empowering Signals: Exploring TRF-45's Impressive Dielectric Constant

When it comes to transmitting signals efficiently and maintaining signal integrity, dielectric constant plays a pivotal role. TRF-45 boasts a dielectric constant of 4.5 at 10GHz, ensuring reliable signal transmission and precise impedance control. This exceptional property enables engineers to design PCBs with superior performance and optimized signal integrity.

Dissipation Factor Demystified: How TRF-45 Ensures Signal Integrity

Signal loss can be a significant concern in high-frequency applications. TRF-45 addresses this challenge with its low dissipation factor of 0.0035 at 10GHz. By minimizing signal loss, this innovative PCB material preserves the quality and integrity of signals, allowing for seamless communication across electronic components.

Moisture Absorption: TRF-45's Contribution to PCB Stability

In humid environments, moisture absorption can compromise the performance and reliability of PCBs. TRF-45, with its moisture absorption rate of ≤0.06%, provides exceptional stability even in demanding conditions. This feature ensures that the PCB remains robust and reliable, making it suitable for a wide range of applications, including aerospace, automotive, and industrial sectors.

Flexural Strength: Unleashing TRF-45's Superior Resistance to Bending

PCBs often experience bending forces during their lifespan, which can lead to mechanical failure. TRF-45 addresses this concern with its remarkable flexural strength. With a lengthwise flexural strength of 17,000 lbs/in (177 N/mm2) and a transverse flexural strength of 15,000 lbs/in (103 N/mm2), this material exhibits exceptional resistance to bending, ensuring the longevity and durability of PCB designs.

Peel Strength: Exploring TRF-45's Robust Adhesion Properties

In PCB manufacturing, strong adhesion between layers is essential for the overall reliability of the board. TRF-45 excels in this aspect with a peel strength greater than 8 lbs/in (1.4 N/mm), as per IPC-TM-650 2.4.8 (Thermal Stress) standards. This robust adhesion ensures that the layers of the PCB remain intact, enabling the board to withstand environmental stressors and mechanical vibrations.

Keeping Cool Under Pressure: Thermal Conductivity of TRF-45

Modern electronic devices generate substantial heat, necessitating efficient thermal management within PCBs. TRF-45 exhibits a thermal conductivity of 0.43 W/m/K, as per ASTM F 433 standards. This exceptional property allows heat to dissipate effectively, preventing overheating and ensuring the optimal performance of electronic components.


40mil 1oz Copper High Frequency PCB Taconic TRF-45 0

Volume and Surface Resistivity: TRF-45's Contribution to Electrical Stability

Unwanted electrical leakage can disrupt the functionality of PCBs. TRF-45 addresses this concern with its volume resistivity of 8.0 x 10^7 Mohm/cm and surface resistivity of 3.0 x 10^7 Mohm, as per IPC-TM-650 standards. These values ensure a high level of electrical stability, minimizing the risk of signal degradation and maintaining the integrity of the circuit.

CTE (Coefficient of Thermal Expansion): How TRF-45 Handles Temperature Variations

Temperature variations can cause stress and strain within PCBs, potentially leading to performance issues. TRF-45 exhibits a coefficient of thermal expansion (CTE) of 9 ppm/℃ (x and y axes) and 40 ppm/℃ (z-axis), as per ASTM D 3386 (TMA) standards. This balanced CTE allows the material to adapt to thermal changes, reducing the risk of mechanical failure and ensuring long-term reliability.

Versatility Unleashed: Industries and Applications Benefiting from TRF-45

TRF-45's exceptional properties make it ideal for a wide range of industries and applications. From aerospace and telecommunications to automotive and industrial sectors, this advanced PCB material is driving innovation and enhancing the performance of electronic devices. Its reliability,versatility, and stability make it a preferred choice for high-tech solutions where uncompromising quality is paramount.



TRF-45, a ceramic-filled PTFE composite material, is revolutionizing the world of PCB designs. With its exceptional electrical performance, mechanical durability, and thermal management capabilities, TRF-45 empowers engineers to push the boundaries of innovation. From ensuring reliable signal transmission to withstanding challenging environments, TRF-45 excels in every aspect, making it a reliable and stable choice for PCB applications. By harnessing the power of TRF-45, designers can unlock new possibilities and create high-tech solutions that redefine the capabilities of electronic devices.

Contact Details
Bicheng Electronics Technology Co., Ltd

Contact Person: Ms. Ivy Deng

Tel: 86-755-27374946

Fax: 86-755-27374848

Send your inquiry directly to us (0 / 3000)