1合金熔点温度
Composition |
锡 (Sn) |
铅 (Pb) |
银 (Ag) |
熔点(℃) |
合金 |
固相 |
液相 |
Sn10 |
10 |
90 |
— |
— |
275 |
302 |
Sn62 |
62 |
36 |
2 |
179 |
— |
— |
Sn63 |
63 |
37 |
— |
183 |
— |
— |
2合金成分
1 Alloy 2 Inspect to(%wt) 3Element |
Sn10Pb90 |
Sn62Pb36Ag2 |
Sn63Pb37 |
Sn |
10±1% |
61-63 |
62.5-63.5 |
Pb |
Balance |
Balance |
Balance |
Sb |
0.05Max |
0.05Max |
0.05Max |
Ag |
— |
1.7—2.3 |
— |
Al |
0.001 Max |
0.001 Max |
0.001 Max |
As |
0.03 Max |
0.03 Max |
0.03 Max |
Bi |
0.03 Max |
0.03 Max |
0.03 Max |
Cd |
0.002 Max |
0.002 Max |
0.002 Max |
Cu |
0.05Max |
0.05Max |
0.05Max |
Fe |
0.02 Max |
0.02 Max |
0.02 Max |
Zn |
0.001 Max |
0.001 Max |
0.001 Max |
Ni |
— |
— |
— |
3回焊加热曲线
以下回焊加热曲线仅供参考,实际生产制程所使用的回焊加热曲线需经过测试,以便达到理想标准的实际要求:
Profile Feature 回焊加热曲线 |
Pb-Free Assemble 无铅制程 |
Average Ramp Up Rate / 升温速度 |
3℃/second max |
Preheat Temperature / 预热温度 |
100℃~150℃ |
Preheat time / 预热时间 |
60~120 Seconds |
Peak Temperature / 顶温 |
220℃~225℃ |
Time within 5℃ of actual Peak temperature |
10~30 Seconds |
Ramp Down Rate / 降温速度 |
6℃/second max |
Time 25℃ to Peak Temperature |
6 minues max |
4产品规格表
直径 (mm) |
公差 (mm) |
真圆度 (mm) |
每瓶数量 (粒) |
每瓶净重(克) |
Sn63Pb37 |
Sn62Pb36Ag2 |
0.760 |
±0.020 |
<0.020 |
250000 |
483.89 |
484.46 |
0.650 |
±0.020 |
<0.019 |
250000 |
302.72 |
303.08 |
0.600 |
±0.020 |
<0.018 |
500000 |
476.20 |
476.76 |
0.550 |
±0.020 |
<0.017 |
500000 |
366.79 |
367.23 |
0.500 |
±0.015 |
<0.015 |
500000 |
275.58 |
275.90 |
0.450 |
±0.015 |
<0.014 |
1000000 |
401.79 |
402.27 |
0.400 |
±0.015 |
<0.013 |
1000000 |
282.19 |
282.53 |
0.350 |
±0.010 |
<0.011 |
1000000 |
189.05 |
189.27 |
0.300 |
±0.010 |
<0.010 |
1000000 |
119.05 |
119.19 |
0.250 |
±0.008 |
<0.009 |
2000000 |
137.79 |
137.95 |
0.200 |
±0.008 |
<0.009 |
2000000 |
70.55 |
70.63 |
5标准包装方式:以下是静电瓶包装锡球的容量
球径 |
数量/瓶 |
瓶/内箱 |
内箱/货箱 |
数量/货箱 |
0.760mm |
250kpcs |
6 |
10 |
15kkpcs |
0.600mm |
250kpcs |
6 |
10 |
15kkpcs |
0.500mm |
250kpcs |
6 |
10 |
15kkpcs |
0.450mm |
250kpcs |
6 |
10 |
15kkpcs |
0.400mm |
500kpcs |
6 |
10 |
30kkpcs |
0.350mm |
500kpcs |
6 |
10 |
30kkpcs |
0.300mm |
500kpcs |
6 |
10 |
30kkpcs |
0.250mm |
500kpcs |
6 |
10 |
30kkpcs |
0.200mm |
1000kpcs |
6 |
10 |
100kkpcs |
0.150mm |
250kpcs |
6 |
10 |
100kkpcs |
0.100mm |
250kpcs |
6 |
10 |
100kkpcs |
6标签样板
7安全注意事项与操作注意事项请参考≤BGA有铅锡球物质安全资料表≥