IT-88GMW-3.15 Datasheet

IT-88GMW-3.15 is an advanced ultra-low loss & high Tg (185° C by TMA) material for demanding Radio frequency applications. The material is designed for long range, short range and medium range Radars used for Autonomous driving or Advanced driver assist systems operating in the 76-81 GHz. frequency range. The product offers better dissipation factor and insertion loss than fiber reinforced PTFE products. Its higher elastic modulus helps reduce mismatch in hybrid applications. The thermal conductivity is higher than PTFE based systems and therefore the product is also suitable for demanding 5G Base stations, power amplifiers and antenna applications which are expected to operate in the mm wave range of frequencies and also require high power handling capability. The product can be paired with a full prepreg offering to build high reliability multilayer boards. The dielectric properties are very stable with temperature and therefore very suitable for thermal cycling requirements in the automotive segment. The product matches the CTE of copper in X and Y planes thereby reducing stress during packaging and subsequent thermal cycling.


Automotive LRR, MRR and SRR at76-81 GHz and 24 GHz

5 G Base Stations & mm wave applications

Distributed Antenna Systems, GPS satellite Antenna

Point to point – microwave links
Key Features

Very low loss ~0.0014 at 10 GHz.

Excellent dimensional stability

Very stable DK/Df with Temperature

Ability to use very low profile Copper for reduced insertion loss

Highly suitable for Hybrids, Ability to make high layer count boards

Full prepreg offering, Compatible with modified FR-4 processes
Items Methods  IT-88GMW-3.15
Tg (℃) TMA 185
T-300 (w/ 1 Oz Cu, min) TMA 60+
Td-5 %( ℃ ) TGA 5% loss 425
CTE (ppm/℃) a1/a2 65/280
CTE (%), 50-260℃ TMA 3.2
Dk @ 10 GHz IPC TM-650 3.15
Df @ 10 GHz IPC TM-650 0.0014

If you have PCB to produce, please send Gerber to .Thank you.

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IT-88GMW-3.15 Datasheet


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