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S7040G
特點(diǎn)
● 高Tg 175℃ (DSC)● 低Dk/Df (10GHz, IPC-TM-650 2.5.5.5) 3.72/0.0089
● 更低的Z軸熱膨脹系數(shù)
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| Items | Method | Condition | Unit | Typical Value |
|---|---|---|---|---|
| Tg | 2.4.24.4 | DMA | ℃ | 185 |
| 2.4.25D |
DSC |
175 | ||
| Td | 2.4.24.6 | 5% wt. loss | ℃ | 405 |
|
T288 |
2.4.24.1 | TMA | min |
≥60 |
| T260 |
2.4.24.1 |
TMA |
min |
≥60 |
|
Thermal Stress |
2.4.13.1 |
288℃, solder dip |
- | PASS |
| CTE (Z-axis) | 2.4.24 | Before Tg | ppm/℃ | 45 |
| After Tg | ppm/℃ | 245 | ||
| 50-260℃ | % | 2.5 | ||
|
Dissipation Constant |
2.5.5.9 (1GHz) |
C-24/23/50 |
- |
3.90 |
|
2.5.5.5(10GHz) |
C-24/23/50 |
- | 3.72 | |
|
SPDR(10GHz) |
C-24/23/50 |
- | 4.06 | |
|
Dissipation Factor |
2.5.5.9 (1GHz) |
C-24/23/50 |
- | 0.0070 |
|
2.5.5.5(10GHz) |
C-24/23/50 |
- | 0.0089 | |
|
SPDR(10GHz) |
C-24/23/50 |
- | 0.0100 | |
| Volume Resistivity | 2.5.17.1 | C-96/35/90 | MΩ.cm | 7.0×107 |
|
Surface Resistivity |
2.5.17.1 |
C-96/35/90 | MΩ | 9.0×107 |
| Dielectric Breakdown | 2.5.6 | D-48/50+D-0.5/23 | kV | >45 |
| Peel Strength (1Oz) | 2.4.8 | 288℃/10s | N/mm [lb/in] | 0.85 [4.86] |
| Water Absorption | 2.6.2.1 | E-1/105+D-24/23 | % | 0.12 |
|
Flammability |
UL94 |
C-48/23/50 |
Rating |
V-0 (HF) |
Remarks:
1. All the typical value is based on the 0.76mm (6*2116) specimen.
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.