RT/duroid 6035hTC, commonly shortened to RT6035hTC, is a ceramic-filled PTFE laminate built specifically for high-power RF and microwave PCB development. Most standard high-frequency substrates struggle with heat accumulation and inconsistent dielectric performance under continuous high-load operation, and this Rogers material solves these industry pain points perfectly. It has become a go-to substrate for high-power-density radar hardware and commercial wireless communication assemblies.
Core Performance Characteristics of RT6035hTC High Frequency Material
Engineered for long-duration high-frequency and high-power working conditions, this modified PTFE composite substrate delivers steady electrical output and practical thermal management capabilities. Tested at 10GHz, it features a fixed dielectric constant (Dk) of 3.50±0.05 and an ultra-low dissipation factor (Df) of 0.0013. These core electrical properties cut down signal transmission attenuation and insertion loss significantly, which is critical for maintaining consistent signal integrity on industrial and commercial microwave RF circuits.
Thermal performance is where RT6035hTC stands out from conventional RT6000 series laminates. It achieves a thermal conductivity of 1.44 W/m·K, nearly 2.4 times higher than standard versions. This upgrade effectively disperses heat generated by high-power active components, avoiding local overheating and extending the overall service life of finished circuit boards. With a TCDk rating of -66 ppm/°C, the material retains stable dielectric properties even when ambient temperatures fluctuate widely, eliminating unexpected electrical performance drift in variable working environments.
The substrate only absorbs 0.06% moisture, a key advantage for devices deployed in humid, outdoor, or harsh industrial environments. Matched with electrodeposited and reverse-treated copper foil, it holds up well against repeated high-temperature cycling without trace failure or performance degradation. Its customized ceramic filler formula also improves drillability compared with traditional alumina-filled high thermal conductivity laminates. This reduces tool wear during PCB fabrication and helps manufacturers control overall production costs for high-frequency boards.
Suitable Product Types for RT6035hTC Laminate
RT6035hTC is designed exclusively for high-reliability high-frequency PCBs and microwave circuit boards that demand low signal loss, efficient heat dissipation, and strong high-power tolerance. It fits single-layer, double-layer, and multi-layer rigid RF PCB structures that require strict thermal stability and consistent electrical repeatability. The material works best with high-power-density substrates operating in 10GHz to millimeter-wave frequency bands, as well as precision circuit boards for various RF passive component modules.
It is important to note that this high-grade substrate is not suitable for ordinary low-frequency consumer electronic PCBs. It targets mid-to-high-end wireless communication devices that prioritize low signal attenuation and long-term operational stability, fully catering to the design requirements of modern high-power RF circuits and millimeter-wave hardware systems.
Main Technical Application Fields of RT6035hTC Material
The combination of low high-frequency loss and superior thermal conductivity makes RT6035hTC applicable in telecommunications, aerospace, defense, and precision industrial electronics. In 5G infrastructure construction, it serves as the core substrate for 5G macro base station power amplifiers, RF power dividers, directional couplers, and microwave filter modules, supporting stable and efficient signal transmission for high-power communication equipment.
In aerospace and defense electronic systems, engineers frequently specify this material for satellite communication transceiver units, airborne microwave radar systems, and electronic warfare devices. Its excellent temperature resistance and low high-frequency loss allow precision microwave circuits to operate reliably under extreme temperatures and complex electromagnetic interference scenarios.
On the commercial and industrial side, the material supports high-power broadcast transmission equipment, industrial RF heating systems, and precision medical devices including RF imaging and surgical ablation equipment. It is also a widely adopted substrate for millimeter-wave radar PCBs used in automotive detection systems and industrial non-contact sensing devices.
Conclusion
Among mainstream Rogers high-frequency PCB substrates with high thermal conductivity and low loss, RT6035hTC offers outstanding cost-performance for industrial and commercial mass production. It balances stable dielectric performance, reliable heat dissipation, and friendly processing adaptability. For developers designing high-power RF microwave circuits and high-stability millimeter-wave electronic products, this substrate delivers consistent and dependable performance throughout prototype testing and large-scale manufacturing stages.
The following table consolidates authentic factory datasheet parameters of RT/duroid 6035hTC high-frequency laminate, covering electrical, thermal, physical and processing properties. All specifications follow Rogers official test standards and IPC/ASTM industry norms, supporting RF PCB design, material selection and mass production validation.
|
Parameterkategorie
|
Performance Item
|
Typical Specification
|
Testbedingung
|
Einheit
|
Test Standard
|
|---|---|---|---|---|---|
|
Elektrische Eigenschaften
|
Dielektrizitätskonstante (Dk)
|
3.50 ± 0.05
|
10GHz, 23℃
|
–
|
Industry Standard
|
|
Dissipation Factor (Df)
|
0.0013
|
10GHz, 23℃
|
–
|
Industry Standard
|
|
|
Thermal Coefficient of Dielectric Constant (TCDk)
|
-66
|
-55℃ ~ 288℃
|
ppm/°C
|
Factory Specification
|
|
|
Moisture Absorption
|
0.06
|
23℃, 50% RH
|
%
|
ASTM Standard
|
|
|
Thermische Eigenschaften
|
Wärmeleitfähigkeit
|
1.44
|
80℃
|
W/m·K
|
ASTM C518
|
|
CTE (X-axis)
|
19
|
-55℃ ~ 288℃
|
ppm/°C
|
IPC-TM-650 2.4.41
|
|
|
CTE (Y-axis)
|
19
|
-55℃ ~ 288℃
|
ppm/°C
|
IPC-TM-650 2.4.41
|
|
|
CTE (Z-axis)
|
39
|
-55℃ ~ 288℃
|
ppm/°C
|
IPC-TM-650 2.4.41
|
|
|
Physical Properties
|
Material Density
|
2.2
|
23℃
|
g/cm³
|
ASTM D792
|
|
Operating Temperature Range
|
-40 ~ +85
|
Continuous Operation
|
℃
|
Factory Application Spec
|
|
|
PCB Processing Properties
|
Standard Copper Foil Type
|
Electrodeposited / Reverse-treated Copper
|
Industrial Fabrication
|
–
|
Rogers Standard
|
|
Minimum Trace/Space
|
4/7
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Mass Production Process
|
mil
|
PCB Fabrication Spec
|
|
|
Minimum Mechanical Hole Size
|
0.3
|
Standard Drilling Process
|
mm
|
PCB Fabrication Spec
|
|
|
Via Plating Thickness
|
20
|
Standard Process
|
μm
|
PCB Fabrication Spec
|
Specification Note: All listed parameters are typical values of standard RT6035hTC ceramic-filled PTFE laminates. Custom thickness and copper weight options are available to meet customized RF and microwave PCB design requirements.
