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Home High Frequency PCB High Frequency PCB Built on Shengyi SCGA-500 GF265 PTFE Glass Reinforced RF Circuit Materials

High Frequency PCB Built on Shengyi SCGA-500 GF265 PTFE Glass Reinforced RF Circuit Materials

SCGA-500F GF265 is an excellent choice for high volume manufacturing requirements where a balance of cost and performance are of paramount importance.

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High Frequency PCB Built on Shengyi SCGA-500 GF265 PTFE with Glass Reinforced RF Circuit Materials

(Printed Circuit Boards are custom-made products, the picture and parameters shown are just for reference)

Brief Introduction

SCGA-500 GF265 from Shengyi Technology Co., Ltd (SYTECH) is low loss PTFE woven glass UL 94 V-0 high frequency circuit material. It has been designed for use in many of today’s demanding and highly challenging RF/Microwave design platforms.

Its controlled dielectric constant provides excellent electrical and mechanical properties with a consistent and stable DK (2.55Dk +/- 0.04) and dissipation factor (0.0014) over a wide range of frequencies (1GHz to 20 GHz) and Temperatures (-40 °C to +125 °C).

It exhibits exceptional dimensional stability, chemical resistance, low moisture absorption and copper peel strength. Passive Inter-Modulation (PIM) performance values -163 dBc are typical (RTF and VLP type copper foils).


1.Consistent and Stable Dk/Df over Frequency and Temperature

2.Low Dielectric Loss Tangent

3.Excellent Price Performance Value

Typical applications

1.Base Station Antennas

2.Power Amplifiers

3.Satellite Communications

4.DAS and CPE Antenna

5.Automotive Radar and Wireless Communications.

\SCGA-500 PCB made by bicheng

PCB Capability

PCB Capability (SCGA-500 GF265) 
PCB Material: PTFE Woven Glass
Designation: SCGA-500 GF265
Dielectric constant: 2.65  (10 GHz)
Dissipation factor 0.0017 (10 GHz)
Layer count: Double Sided PCB, Multilayer PCB, Hybrid PCB
Copper weight: 1oz (35µm), 2oz (70µm)
Dielectric thickness 10mil (0.254mm), 20mil (0.508mm), 30mil (0.762mm),  40mil (1.016mm), 50mil (1.270mm), 60mil (1.524mm)
PCB size: ≤400mm X 500mm
Solder mask: Green, Black, Blue, Yellow, Red etc.
Surface finish: Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP, Pure gold plated etc..

Our Advantages

1.ISO9001, ISO14001, ISO13485, UL certified manufacturing factory;

2.Powerful PCB capabilities support your research and development, sales and marketing;

3.Any Layer HDI PCBs;

4.16000㎡workshop; 30000㎡output capability per month; 8000 types of PCB's per month;

5.More than 19+ years of high frequency PCB experience;

6.No MOQ, low cost for prototypes and small runs quantity;

7.Prototype PCB capability to Volume Production capability;

8.Delivery on time: >98% ; Customer complaint rate: <1%

9.IPC Class 2 / IPC Class 3;

Appendix: General Properties of SCGA-500

SCGA-500 General Properties
Items Typical Value GF220 Typical Value GF255 Typical Value GF265 Typical Value GF300 Unit Method Test Condition
Dielectric Constant 2.2±0.02 2.55±0.04 2.65±0.04 3.00±0.04 - IPC-TM-650 10GHz/23℃
Process Dk
Dissipation factor (Loss Tangent) 0.0009 0.0014 0.0017 0.0023 - IPC-TM-650 10GHz/23℃
TcDK -110 -70 -60 -25 ppm/℃ IEC 61189-2-721 10GHz (-40-150℃)
CTE (X/Y/Z-axis) 41/30/217 8.2/7.9/145 9.2/8.8/118 6.2/8.6/95 ppm/℃ IPC-TM-650 2.4.24 TMA (30-260℃)
Volume Resistivity 1.5*108 1.5*108 1.2*108 1.3*108 MΩ·cm IPC-TM-650 A
Surface Resistivity 8.8*107 1.6*108 1.3*108 1.4*108 IPC-TM-650 A
Peel Strength 1.2 [6.86] 1.2 [6.86] 1.2 [6.86] 1.2 [6.86] N/mm [lb/in] IPC-TM-650 2.4.8 288℃/10s
Water Absorption 0.007 0.007 0.007 0.01 % IPC-TM-650 D-24/23
Thermal Conductivity 0.27 0.29 0.28 0.28 W/(m·K) ASTM C518 100℃
Tensile Modulus (LW/CW) 1.9/2.6 1.27/7.8 1.9/6.8 7.9/8.8 GPa IPC-TM-650 2.4.4 A
Tensile Strength (LW/CW) 60/76 64/214 60/212 254/279 MPa IPC-TM-650 2.4.4 A
Density 2.18 2.25 2.22 2.27 g/cm3 ASTM D792 -
Flammability V-0 V-0 V-0 V-0 Rating UL-94 C-48/23/50




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