What is a Thermally Conductive Absorber?

A Thermally Conductive Absorber is a multifunctional material that provides both thermal management and electromagnetic wave absorption to improve electronic system performance.

How does a Thermally Conductive Absorber work?

It transfers heat away from electronic components while absorbing unwanted electromagnetic energy that can contribute to EMI and RFI problems.

What are the benefits of Thermally Conductive Absorber materials?

Benefits include reduced thermal resistance, improved EMI suppression, enhanced system reliability, better heat dissipation, and space-saving multifunctional performance.

Where are Thermally Conductive Absorbers commonly used?

They are commonly used in telecommunications equipment, networking systems, automotive electronics, medical devices, aerospace applications, and consumer electronics.

Can Thermally Conductive Absorbers improve EMI performance?

Yes. These materials absorb electromagnetic energy and help reduce EMI and RFI, improving electromagnetic compatibility in electronic systems.

Why are Thermally Conductive Absorbers important in modern electronics?

Modern electronic devices generate both heat and electromagnetic noise. Thermally Conductive Absorbers help address both challenges simultaneously while supporting compact product designs.

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Thermally Conductive Absorber

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Thermally Conductive Absorber for Heat Management and EMI Suppression

Thermally Conductive Absorber materials are designed to provide both thermal management and electromagnetic wave absorption in a single solution. These advanced materials help transfer heat away from sensitive electronic components while simultaneously reducing unwanted electromagnetic interference (EMI) and radio frequency interference (RFI).

As electronic devices become smaller and more powerful, engineers often face challenges related to heat buildup and electromagnetic noise. Therefore, Thermally Conductive Absorber materials offer an effective way to improve system reliability, thermal performance, and electromagnetic compatibility without increasing design complexity.

How Thermally Conductive Absorbers Work

A Thermally Conductive Absorber combines heat-conducting properties with RF absorbing capabilities. The material transfers heat from components to heat sinks, chassis surfaces, or cooling structures while absorbing unwanted electromagnetic energy generated within the system.

As a result, engineers can address two critical design issues using a single material solution. Furthermore, this approach helps reduce component temperatures while minimizing EMI-related performance issues.

Why Choose Leader Tech Thermally Conductive Absorbers?

Leader Tech develops advanced thermal management and EMI suppression materials engineered for demanding electronic environments. Our Thermally Conductive Absorber products help engineers improve cooling efficiency while reducing unwanted electromagnetic energy.

Additionally, Leader Tech provides multiple material options with varying thermal conductivity and attenuation characteristics to support a wide range of design requirements.

Applications

Between chip and cooling module
Optoelectronics industry
Netcom products
Automotive Electronics
Wearable devices
5G base station

Shelf Life:
Under storage conditions: 2 year

Benefits

Provides RF absorption and heat conduction
Low thermal resistance
Good surface compatibility and self-adhesive
High fire resistance
Application under low pressure
Excellent electrical insulation performance

Storage:

Store in Dark Environment
Temperature: ≤ 30 ℃
Humidity: ≤ 70%
The height of the stacking should not be more than 7 layers and the total height should not be more than 1m.
Compliance: RoHS 2.0, halogen, and REACH

Properties	TCA10L	TCA15L	TCA20L	TCA25L	TCA30L	TCA40L	TCA20M	TCA60M	TCA20H	TCA30H	TCA40H	Test Method
Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Visual
Thickness range (in)	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	.019–.118	ASTM D 374
Hardness (Shore C)	25-50	25-50	25-50	25-50	25-50	25-50	25-50	40-60	30-55	30-55	30-55	ASTM D 2240
Density (lb/in3)	0.155	0.152	0.144	0.141	0.163	0.166	0.137	0.144	0.115	0.13	0.137	ASTM D 792
Tensile Strength (psi)	≥ 14.50	≥ 14.50	≥ 14.50	≥ 14.50	≥ 14.50	≥ 14.53	≥ 14.50	≥ 21.76	≥ 14.50	≥ 14.50	≥ 14.50	ASTM D 412
Elongation (%)	≥ 150	≥ 150	≥ 150	≥ 150	≥ 150	≥ 150			≥ 150			ASTM D 412
Tear Strength (lbf/in)	≥ 3.43	≥ 3.43	≥ 3.43	≥ 3.43	≥ 3.43	≥ 3.43	≥ 3.43	≥ 2.28	≥ 3.43	≥ 3.43	≥ 3.43	ASTM D 624
Compression Ratio( %)	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)			≥ 40 (@50 PSI)					ASTM D 575
Frequency Band (GHz)	1–16	1–16	1–16	1–16	1–16	1–16	10–20	10–20	> 20	> 20	> 20
Operating Temperature (°F)	-40–392	-40–392	-40–392	-40–392	-40–257	-40–392	-40–392	-40–257	-40–320	-40–320	-40–320	IEC 60068-2-14
Thermal Conductivity (W/m·K)	1.0	1.5	2.0	2.5	3.0	4.0	2.0	6.0	2.0	3.0	4.0	ASTM D 5470
Thermal Resistance (°C·in2/W)	≤ 3.2 (@ 20PSI & 2mm)	≤ 2.5 (@ 20 PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)	≤ 1.35 (@ 20PSI & 2mm)	≤ 1.3 (@ 20PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)	≤ 1.8 (@ 10PSI & 2mm)	≤ 0.5 (@20 PSI & 1mm)	≤ 1.5 (@ 10PSI & 2mm)	≤ 1.3 (@ 20PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)	ASTM D 5470
Breakdown Voltage (kV/mm)	≥ 1	≥ 2	≥ 2	≥ 2	≥ 1	≥ 1	≥ 2	≥ 1	≥ 2	≥ 2	≥ 2	ASTM D 149
Volume Resistivity (Ω·cm)	≥ 1010	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1010	≥ 1012	≥ 1012	≥ 1012	ASTM D 257
Dielectric Constant @ 1MHz	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 5	≥ 5	≥ 5	ASTM D 150
Dielectric Loss @ 1MHz	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	ASTM D 150

Physical Properties	Test Method	TCA10L	TCA15L	TCA20L	TCA25L	TCA30L	TCA40L	TCA20M	TCA60M	TCA20H	TCA30H	TCA40H
Color	Visual	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
Thickness range (mm)	ASTM D 374	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3	0.5–3
Hardness (Shore C)	ASTM D 2240	25-50	25-50	25-50	25-50	25-50	25-50	25-50	40-60	30-55	30-55	30-55
Density (g/cc)	ASTM D 792	4.3	4.2	4.0	3.9	4.5	4.6	3.8	4.0	3.2	3.6	3.8
Tensile Strength (MPa)	ASTM D 412	≥ 0.1	≥ 0.1	≥ 0.1	≥ 0.1	≥ 0.1	≥ 0.1	≥ 0.1	≥ 0.15	≥ 0.1	≥ 0.1	≥ 0.1
Elongation (%)	ASTM D 412	≥ 150	≥ 150	≥ 150	≥ 150	≥ 150	≥ 150			≥ 150
Tear Strength (N/mm)	ASTM D 624	≥ 0.6	≥ 0.6	≥ 0.6	≥ 0.6	≥ 0.6	≥ 0.6	≥ 0.6	≥ 0.4	≥ 0.6	≥ 0.6	≥ 0.6
Compression Ratio( %)	ASTM D 575	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)	≥ 40 (@50 PSI)			≥ 40 (@50 PSI)
Frequency Band (GHz)		1–16	1–16	1–16	1–16	1–16	1–16	10–20	10–20	> 20	> 20	> 20
Operating Temperature (°C)	IEC 60068-2-14	-40–200	-40–200	-40–200	-40–200	-40–125	-40–200	-40–200	-40–125	-40–160	-40–160	-40–160
Thermal Properties
Thermal Conductivity (W/m·K)	ASTM D 5470	1.0	1.5	2.0	2.5	3.0	4.0	2.0	6.0	2.0	3.0	4.0
Thermal Resistance (°C·in2/W)	ASTM D 5470	≤ 3.2 (@ 20PSI & 2mm)	≤ 2.5 (@ 20 PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)	≤ 1.35 (@ 20PSI & 2mm)	≤ 1.3 (@ 20PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)	≤ 1.8 (@ 10PSI & 2mm)	≤ 0.5 (@20 PSI & 1mm)	≤ 1.5 (@ 10PSI & 2mm)	≤ 1.3 (@ 20PSI & 2mm)	≤ 1.5 (@ 20PSI & 2mm)
Electrical Properties
Breakdown Voltage (kV/mm)	ASTM D 149	≥ 1	≥ 2	≥ 2	≥ 2	≥ 1	≥ 1	≥ 2	≥ 1	≥ 2	≥ 2	≥ 2
Volume Resistivity (Ω·cm)	ASTM D 257	≥ 1010	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1012	≥ 1010	≥ 1012	≥ 1012	≥ 1012
Dielectric Constant @ 1MHz	ASTM D 150	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 8	≥ 5	≥ 5	≥ 5
Dielectric Loss @ 1MHz	ASTM D 150	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1	≤ 0.1

Attenuation Charts

(Select image to enlarge)
Low Frequency Attenuation Chart

(View image for larger chart)
Medium Frequency Attenuation Chart

(Click image to enlarge)
High Frequency Attenuation Chart

Industries That Use Thermally Conductive Absorbers

Many industries rely on Thermally Conductive Absorber materials to maintain performance and reliability:

Aerospace and defense.
Telecommunications.
Medical technology.
Automotive electronics.
Industrial automation.
Consumer electronics.
Networking infrastructure.
Data processing equipment.

As system power densities continue to increase, the demand for materials that address both heat and EMI challenges continues to grow.

Place an Order

1. Customize product to size

Conductive Absorber Standard Thicknesses

TGN700: 0.012″
TGN900: 0.008″ – 0.031″
TGN1300: 0.008″ – 0.020″

Customize Product Size (Example)

Product Example = TCF160
Width in inches (ex 05.00″ = 0500)
Length in inches (ex 10.00″ = 1000)
Thickness in inches (ex 0.040″ = 040)

Part Number (Example)

2. Order direct from Leader Tech or from a distributor

To order direct from Leader Tech Inc.

To order from our Distributors

Call Toll Free: 866.832.4364

813.855.6921

Call Toll Free: 866.832.4364

813.855.6921

Thermally Conductive Absorber for Heat Management and EMI Suppression

How Thermally Conductive Absorbers Work

Why Choose Leader Tech Thermally Conductive Absorbers?

Applications

Benefits

Storage:

Attenuation Charts

Industries That Use Thermally Conductive Absorbers

Place an Order

1. Customize product to size

2. Order direct from Leader Tech or from a distributor

Thermally Conductive Absorber for Heat Management and EMI Suppression

How Thermally Conductive Absorbers Work

Why Choose Leader Tech Thermally Conductive Absorbers?

Applications

Benefits

Storage:

Attenuation Charts

Industries That Use Thermally Conductive Absorbers

Place an Order

1. Customize product to size

2. Order direct from Leader Tech or from a distributor

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