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SRF003-2 Glass Fiber Cloth Reinforced Ptfe Substrate

SRF003-2 substrate material has lower loss factor while maintaining good mechanical stability. The dielectric constant of SRF003-2 is very stable in the temperature range of - 40 ℃~150 ℃, which can ensure the phase consistency of microwave circuit.
A large number of tests and test results show that SRF003-2 substrate material is the preferred material for ground and air communication radar systems.
Product Description

Features and Advantages

● Low Z-axis thermal expansion coefficient

● Reduce circuit loss while ensuring dimensional stability

● Small dielectric constant tolerance

● Reliable plated through hole

● The dielectric constant varies very little with temperature

● Good phase stability in a wide operating temperature range

Technical Parameters

 

Technical parameters

Typical value

Direction

Unit

Test method

Relative permittivity(10GHz)

2.94±0.04

Z

-

IPC-TM-650 2.5.5.5

Loss factor(10GHz)

0.0010

Z

-

IPC-TM-650 2.5.5.5

Temperature coefficient of relative dielectric constant(10GHz,0℃~140℃)

-10.2

Z

Ppm/℃

IPC-TM-650 2.5.5.5

Volume resistivity(C/96/35/90)

2.5x107

Z

MΩ·cm

PC-TM-650 2.5.17.1

Surface resistivity(C/96/35/90)

3.9x106

Z

PC-TM-650 2.5.17.1

Breakdown voltage

45

-

KV

PC-TM-650 2.5.6

Coefficient of thermal expansion(-40℃~150℃)

13
15
30

X
Y
Z

Ppm/℃

PC-TM-650 2.4.41

Thermal decomposition temperature

500(2%)
532(5%)

-

PC-TM-650 2.4.24.6

T260

>60

Z

min

PC-TM-650 2.4.24.1

T288

>60

Z

min

PC-TM-650 2.4.24.1

T300

>60

Z

min

PC-TM-650 2.4.24.1

Copper foil peel strength (1oz, after thermal stress)

8.6(1.5)

-

lbs/in(N/mm)

PC-TM-650 2.4.8

Young's modulus

2800(406)

X,Y

Mpa(kpsi)

PC-TM-650 2.4.18.3

Bending strength

68/64(10/9)

X,Y

Mpa(kpsi)

PC-TM-650 2.4.4

Compressive modulus

1470(210)

Z

Mpa(kpsi)

ASTM D695

Water absorption

0.03

-

%

PC-TM-650 2.6.2.1

Thermal conductivity(80℃)

0.55

Z

W/m/K

ASTM D5470

Density

2.1

-

g/cm3

ASTM D792

Flame retardancy

V-0

-

-

UL94

Application field


Commercial avionics, High reliability radar, satellite communication system, Microwave feed network, Phase sensitive electronic device, Passive components (coupler, filter, etc.)

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