Aluminum nitride ceramic sheet LT1800

LT1800 aluminum nitide (AIN)thermal conductive ceramic shet is a high-peformance thermal insulation material with an exceptionally highthermal conductivity(180 W/m K)and excellent electrical insulation properties.It can operate stably over the long term under high-temperatureconditions.With a thermal expansion coeficient close to that of silicon,it is particularly wellsuited for applications requiring stringent heatdissipation and electrical isolation,such as power semiconductors,LED lighting,RF microwave devices,and electric vehicles.Additionally,thismaterial offers outstanding chemical stability,making it capable of withstanding harsh industrial environments.It is an ideal thermal managementsolution for modern high-power electronic devices.

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Insulated and thermally conductive silicone products

Keyword： Aluminum nitride ceramic sheet LT1800

Product Introduction Data Download

Features and Advantages

Ultra-high thermal conductivity and high insulation
Resistant to high temperatures up to 1600°C with excellent chemicacorrosion resistance
High hardness, wear resistance, and impact resistance
Exceptional weather and aging resistance, suitable for long-term use

Typical Applications

Thermal conduction and insulation applications for power modules and heat sinks
Heat dissipation management for LED chips
Thermal management for lasers and high-frequency devices
Heat dissipation management for high-power devices such as power modules and inverters in electric and hybrid vehicles

Test Items	Unit	LT1800	Test Standard
Appearance	-	White	Visual
Density	g/cm3	≥3.70	ASTM D792
Thermal Conductivity(25℃)	W/m·K	≥24	ISO 22007-2
Breakdown Voltage	KV/mm	≥ 15	ASTM D149
Flexural Strength	MPa	≥350	GB/T 5593
Surface Roughness	μ m	0.3~0.8	GB/T 6062
Water Absorption	%	0	GB/T 3299
Warping Degree	‰	≤2	-
Volume Resistivity	Ω · cm	≥ 1 × 1014	ASTM D257
Dielectric Constant	1MHz	8.0~ 10.0	ASTM D150
Coefficient of Linear Expansion(20~500)	10-6 ℃ -1	2.0~4.0	GB/T 5594.3
Coefficient of Linear Expansion(20~800)	10-6 ℃ -1	4.0~6.0	GB/T 5594.3

Application Instructions

Cleaning: Before installing the alumina ceramic sheet, ensure the surface is clean and free of grease, dust, or impurities to maintain optimal thermal conductivity.
Pairing: The ceramic sheet can be used in conjunction with thermal grease or phase change materials applied to its surface to enhance heat transfer performance.
Handling: Alumina ceramics are brittle and hard; handle with care during transportation and processing to avoid strong impacts or drops.

Storage Instructions

Store in a dry environment to prevent the impact of moisture on material performance. Avoid dust or impurities accumulating on the ceramic surface, and use dust-proof packaging for optimal storage.

Note:

The above data are based on extensive experiments and are reliable. However, due to the variety of actual applications, which we cannot control, we recommend customers conduct their own application tests before formal use to confirm suitability. Our company assumes no responsibility for any direct, indirect, or incidental losses resulting from the use of this product under specific conditions. If users encounter issues during use, they can contact our after-sales or technical service department, and we will provide assistance to the best of our ability.

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