铝基覆铜板规格/特性/结构

测试项目

Item 实验条件Conditions 典型值(Typical Value) CPCA

标准

ASH-G ASH-H ASH-S --

剥离强度

Peel Strength(kgf/cm) A ≧1.5 ≧1.5 ≧1.0 1.05

After 230℃ 10 min ≧1.2 ≧1.2 ≧0.8 0.7

耐焊锡性

Solder Resistance 300℃ 2min dipping 不分层，不起泡

No delamination and no bubble 288℃

2min

绝缘击穿电压

Dielectric Breakdown Voltage(kV) ASTM D149

(Test condition A) ≧4.6 ≧4.6 ≧4.0 ≧2.0

热阻

Thermal Resistance （℃/W） ASTM D5470 ≦0.18 ≦0.18 ≦0.08 --

热阻抗Thermal impedance（℃*cm2/W） ASTM D5470 ≦1.8 ≦1.8 ≦0.5 ≦2.0

导热系数Thermal Conductivity (W/mk ) ASTM D5470 ≧1.0 ≧2.0 ≧1.0 --

表面电阻

Surface Resistance(Ω) C-96/35/90 ≧1012 ≧2×1012 ≧2×1012 ≧1010

体积电阻

Volume Resistance(Ω) ≧1013 ≧7×1013 ≧6×1013 ≧1012

介电常数Dk 1MHz C-24/23/50 ≦5.0 ≦4.3 ≦4.3 --

介质损耗Df 1MHz ≦0.05 ≦0.02 ≦0.02 --

耐燃性

Flammability UL94 V0 Pass Pass Pass Pass

CTI（Volt） IEC 60112 600 600 600 Ⅰ级