S7439
特點
● 高玻璃化轉變溫度，Tg 190℃（DSC）● Dk/Df@10GHz: 3.66/0.0060 (帶狀線測試法)
● 高耐性Td>380℃，T300＞60min
● 低Z軸熱膨脹系數，優異的通孔可靠性
● 低吸水率及優異的耐濕耐熱性能
● 適合無鉛工藝制程
應用領域
● 網絡設備（路由器、服務器、交換機等)
● 高性能計算機
● 基站背板、子板
- 產品性能
- 產品證書
- 資料下載
| 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.