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370HR高速板材规格参数

       370HR层压板是使用高性能180°C Tg FR-4多功能环氧树脂制成的,该材料专为要求大散热性能,可靠性和耐CAF性能的多层印刷线路板(高速PCB)应用而设计。 该材料具有出色的热性能,且热膨胀系数(CTE)低,并且其机械,化学和防潮性能达到或超过了传统FR-4材料的性能,370HR用于数千种PCB设计中,并且在热可靠性,CAF性能,易加工性和顺序层压设计的可靠性能方面被证明是同类产品中最好的。

 

 

PropertyTypical ValueUnitsTest Method
Metric (English)IPC-TM-650 (or as noted)
Glass Transition Temperature (Tg) by DSC180°C2.4.25C
Decomposition Temperature (Td) by TGA @ 5% weight loss340°C2.4.24.6
Time to Delaminate by TMA (Copper removed)

A. T260

B. T288

60

30

Minutes2.4.24.1
Z-Axis CTE

A. Pre-Tg

B. Post-Tg

C. 50 to 260°C, (Total Expansion)

45

230

2.8

ppm/°C

ppm/°C

%

2.4.24C
X/Y-Axis CTEPre-Tg13/14ppm/°C2.4.24C
Thermal Conductivity0.4W/mKASTM E1952
Thermal Stress 10 sec @ 288ºC (550.4ºF)

A. Unetched

B. Etched

PassPass Visual2.4.13.1
Dk, Permittivity

A. @ 100 MHz

B. @ 1 GHz

C. @ 2 GHz

D. @ 5 GHz

E. @ 10 GHz

4.24

4.17

4.04

3.92

3.92

2.5.5.3

2.5.5.9

Bereskin Stripline

Bereskin Stripline

Bereskin Stripline

Df, Loss Tangent

A. @ 100 MHz

B. @ 1 GHz

C. @ 2 GHz

D. @ 5 GHz

E. @ 10 GHz

0.0150

0.0161

0.0210

0.0250

0.0250

2.5.5.3

2.5.5.9

Bereskin Stripline

2.5.5.5

2.5.5.5

Volume Resistivity

A. After moisture resistance

B. At elevated temperature

3.0 x 108

7.0 x 108

MΩ-cm2.5.17.1
Surface Resistivity

A. After moisture resistance

B. At elevated temperature

3.0 x 106

2.0 x 108

2.5.17.1
Dielectric Breakdown>50kV2.5.6B
Arc Resistance115Seconds2.5.1B
Electric Strength (Laminate & laminated prepreg)54 (1350)kV/mm (V/mil)2.5.6.2A
Comparative Tracking Index (CTI)3 (175-249)Class (Volts)UL 746A
ASTM D3638
Peel Strength

A. Low profile copper foil and very low profile copper foil all copper foil >17 μm [0.669 mil]

B. Standard profile copper

    1. After thermal stress

    2. At 125ºC (257ºF)

    3. After process solutions


1.14 (6.5)


1.25 (7.0)

1.25 (7.0)

1.14 (6.5)

N/mm (lb/inch)

2.4.8C


2.4.8.2A

2.4.8.3

2.4.8.3

Flexural Strength

A. Length direction

B. Cross direction

90.0

77.0

ksi2.4.4B
Tensile Strength

A. Length direction

B. Cross direction

55.9

35.6

ksiASTM D3039
Young's Modulus

A. Length direction

B. Cross direction

3744

3178

ksiASTM D790-15e2
Poisson's Ratio

A. Length direction

B. Cross direction

0.177

0.171

ASTM D3039
Moisture Absorption0.15%2.6.2.1A
Flammability (Laminate & laminated prepreg)V-0RatingUL 94
Relative Thermal Index (RTI)130°CUL 796
The data, while believed to be accurate and based on analytical methods considered to be reliable, is for information purposes only. Any sales of these products will be governed by 

 

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