产物与市场
S7439
特色
● 高玻璃化改变温度，Tg 190℃（DSC）● Dk/Df@10GHz: 3.66/0.0060 (带状线测试法)
● 高耐烦Td>380℃，T300＞60min
● 低Z轴热收缩系数，优良的通孔靠得住性
● 低吸水率及优良的耐湿耐热机能
● 合适无铅工艺制程
利用范畴
● 收集装备（路由器、办事器、互换机等)
● 高机能计较机
● 基站背板、子板
- 产物机能
- 产物证书
- 资料下载
| Items | Method | Condition | Unit | Typical Value | |
|---|---|---|---|---|---|
| Tg |
IPC-TM-650 2.4.24.4 |
DMA |
℃ |
200 | |
|
IPC-TM-650 2.4.25D |
DSC |
℃ |
190 | ||
| Td | IPC-TM-650 2.4.24.6 | 5% wt. loss | ℃ | 383 | |
| CTE (Z-axis) | IPC-TM-650 2.4.24 | Before Tg | ppm/℃ | 45 | |
| After Tg | ppm/℃ | 210 | |||
| 50-260℃ | % | 2.6 | |||
| T288 | IPC-TM-650 2.4.24.1 | TMA | min | 120 | |
| T300 | IPC-TM-650 2.4.24.1 | TMA | min | 60 | |
| Dissipation Constant (Dk) | IPC-TM-650 2.5.5.9 | 1GHz | -- | 3.85 | |
|
IPC-TM-650 2.5.5.5 |
10GHz | -- | 3.66 | ||
|
IEC 61189-2-721 |
10GHz | -- | 4.05 | ||
| Dissipation Factor (Df) | IPC-TM-650 2.5.5.9 | 1GHz | -- | 0.0045 | |
|
IPC-TM-650 2.5.5.5 |
10GHz | -- | 0.0060 | ||
|
IEC 61189-2-721 |
10GHz | -- | 0.0068 | ||
| Peel Strength (1Oz) |
IPC-TM-650 2.4.8 |
288℃/10s | N/mm [lb/in] | 0.95 [5.43] | |
| Water Absorption | IPC-TM-650 2.6.2.1 | E-1/105+D-24/23 | % | 0.09 | |
| Flammability | UL94 | C-48/23/50 | Rating | V-0 | |
| E-24/125 | Rating | V-0 | |||
Remarks:
1. All the typical value is based on 0.76mm (6*2116) thickness specimen, but not guarantee data.
2. All the typical values listed above are for your reference only and not intended for specification. Please contact Shengyi Technology Co., Ltd. for detailed information. All rights from this data sheet are reserved by Shengyi Technology Co., Ltd.
Explanation: C=Humidity conditioning, D=Immersion conditioning in distilled water, E=Temperature conditioning
The first digit following the letter indicates the duration of preconditioning in hours, the second digit the preconditioning temperature in ℃ and the third digit the relative humidity.