RO4725JXR™ & RO4730G3™ Antenna Grade Laminates Data Sheet
RO4725JXR™ and RO4730G3(TM) laminates have the mechanical and electrical properties that antenna designers need. The laminates have a dielectric constant (Dk) of 2.55 and 3.0 and a loss tangent (Df ) of 0.0022 measured at 2.5 GHz when using LoPro® Reverse Treated EDC Foil. These values allow antenna designers to realize substantial gain values while minimizing signal loss. Materials are available with a demonstrated low PIM performance, with values better than -160 dBc (43dBm 1,900MHz signal). [2]
RO4700 series antenna grade laminates are compatible with conventional epoxy and high temperature lead-free solder processing. These laminates do not require the special treatment needed on traditional PTFE-based laminates for plated through hole preparation. Lamination can be achieved using RO4400™ bondply series at 175°C. The resin systems of RO4700JXR materials are designed to provide the properties sought after by antenna designers. The glass transition temperature exceeds 280°C (536°F), leading to a low Z-axis CTE, excellent plated through hole reliability, and lead-free solder processability.
●Features/Benefits:
■RO4700 Series Laminates - low loss dielectric with low profile foil
◆Reduced PIM
◆Low insertion loss
◆RO4725JXR Dk 2.55
◆RO4730G3 Dk 3.0 UL 94 V-0
■Unique filler / closed microspheres
◆Low density
◆Light-weight 30% lighter than PTFE / Glass
■Low Z-axis CTE <30ppm/°C High Tg >280°C
◆Design flexibility
◆Automated assembly compatible
■Low TCDk <40 ppm/°C
◆Consistent circuit performance
■Specially formulated thermoset resin system/filler
◆Low TCDk
◆2.55 Dk & 3.0 Dk
◆Ease of fabrication
◆PTH process capability
■Environmentally Friendly
◆Lead-free process compatibility
◆RoHS compliant
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RO4700 series 、 RO4700JXR 、 RO4700™ series 、 RO4725JXR™ 、 RO4730G3™ 、 RO4730G3 、 RO4725JXR 、 RO4400™ |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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07.23.20 |
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92-168 |
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425 KB |
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