Egraf Hitherm Thermal Interface Materials Ht Series Natural Graphite Sheet Long-Lasting Reusable for Solid-State Lighting Computing Power Electronics

Product Description

Product Parameters Product Category: HT series
Product Overview HT series materials are designed for long-life,mission-critical applications that have extreme heat cycles, require low contact resistance, and high thermal conductivity. When determining which grade and thickness of HiTherm TIM will work for your application, the effective thermal impedance is the critical factor. Thermal impedance combines the thermal resistance at the contact surfaces and the TIM's bulk resistance.
Product Application HT series materials are typically used in the application of IGBTs and power devices,Solid-state lighting modules,UPS and inverters ,Motor drives ,Base stations / telecommunication,Thermoelectric devices ,Power supply modules, rectifiers, and chargers ,High-performance computers and servers,EV / HEV / PHEV power modules.
Technical specification

Characteristic	Unit	PURE GRAPHITE HT-1200 Series	POLYMER ENHANCED HT-2500 Series
Thermal Impedance @ 200 kPa	K-cm2 /W	HT-1205 = 0.59 HT-1210 = 0.66	HT-2505 = 0.41 HT-2510 = 0.58
Thermal Impedance @ 700 kPa	K-cm2 /W	HT-1205 = 0.30 HT-1210 = 0.40	HT-2505 = 0.24 HT-2510 = 0.41
Typical Thermal Conductivity @ 700 kPa Through-Plane • In-Plane	W/m-K	10 • 150	16 • 120
Typical Thickness with Tolerance 0.127 mm (0.005") ± 10% 0.250 mm (0.010") ± 5% 0.51 mm (0.020") ± 5%	-	HT-1205 HT-1210 HT-1220	HT-2505 HT-2510 -
Electrical Resistivity In-Plane • Through Thickness	-	60 • 1230	80 • 1550
Hardness (Shore A)	-	85
Coefficient of Thermal Expansion In Plane • Through-Plane	ppm/°C	-0.4 • 27.0
Flammability Rating	UL	94V-0
Operating Temperature	°C	-40 to +400	-25 to +125
Specific Heat @ 25°C	J/g-°C	0.71
RoHS Compliant	-	Yes
Lead / Halogen Free	-	Yes

Detailed Photos Company Profile Keraf group was founded in 2014 under the exclusive and strategic mandate of GrafTech®, a world-renowned graphite brand with a history of more than 130 years, to expand the Chinese market. Our company is located in the complete industrial chain, full competition, with the world factory reputation of Dongguan City, China.
Keraf tech is a well-established and professionally managed corporation with nearly 10 years of distinguished record in research and development, production, and marketing of various interface materials and components in China domestic and overseas markets.
After nearly ten years of technology accumulation and intensive development, Keraf group has been transformed from a factory focused on OEM thermal management materials die-cutting production into a comprehensive industrial group with one-stop services such as ODM thermal tech design, hardware and plastic processing, LSR components, industrial coating materials and so on.
Keraf group's core products have covered 3C electronics, semiconductor, equipment, automotive, new energy, photovoltaic power generation, shipping, aviation and other industries to provide a full range of high performance, excellent quality interface material solutions.
Always adhering to the integrity, focus, innovation, win-win business philosophies, Keraf Group have already established and maintained a good cooperative relationship with many global clients. We are also looking forward to becoming one of your reliable and trusted long-term strategic partners.
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