SW(B) FR-4-三鑫笑為電子材料（蘇州）有限公司

本品有如下特徵：玻璃轉化溫度140±5 ℃；符合無鹵產品標準；產品為黑色亞光外型；阻燃等級符合UL 94 V-0標準

This series of products present the following features; Tg point: 140±5 ℃; Meets halogen-free product requirements; Matte Black Appearance; flammability meets UL 94 V-0

CHARACTERISTICS 特性	UNIT 單位	CONDITIONING 條件	TYPICAL VALUE 常規值	SPEC. 參數
Volume resistivity 體積電阻	MΩ-cm	C-96/35/90	5.0X10⁹	10⁶↑
Surface resistivity 表面電阻	MΩ	C-96/35/90	5.0X10⁷	10⁴↑
Permittivity 1MHZ 電容率	-	C-24/23/50	4.2-4.4	5.4↓
Permittivity 1GHZ 電容率	-	C-24/23/50	3.8-4.0	-
Loss Tangent 1MHZ 介質損耗角正切	-	D-24/23/50	0.015-0.020	0.035↓
Loss Tangent 1GHZ 介質損耗角正切	-	D-24/23/50	0.012-0.014	-
Arc resistance 耐電弧性	SEC	D-48/50 +D-0.5/23	120↑	60↑
Dielectric breakdown 節電擊穿	KV	D-48/50	60↑	40↑
Moisture absorption 吸濕性	%	D-24/23	0.2-0.3	0.35↓
Flammability 可燃性	-	C-48/23/50	94V0	94V0
Peel strength 1oz 抗剝離強度	lb/in	288℃ x 10″ solder floating 浮焊	10-14	6↑
Thermal Stress 熱應力	SEC	288℃ solder dipping 浸焊	90↑	10↑
Dimensional stability X-Y axis XY軸尺寸穩定性	%	E4/105	0.01-0.03	0.050↓
Glass transition temperature 玻璃轉化溫度	℃	DSC	140±5	N/A
Co-efficiency of thermal expansion 熱膨脹係數
Z-axis before Tg Tg前 Z軸膨脹係數	ppm/℃	TMA	50-70	N/A
Z-axis After Tg Tg後Z軸膨脹係數	ppm/℃	TMA	250-350	N/A