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ABOUT ZHONGSHINominated Supplier of China Aerospace and Defence companies
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PRODUCTSAll Real Products guide
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APPLICATIONProvide Customized Solutions and services
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SCIENTIFIC RESEARCHScience & Technology Progress rapidly,And New products are constantly changing
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SERVICE SUPPORTDeep Cultivation of High-end solder industry head enterprise for more than 20 years
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CONTACT USTo Provide You with professional consulting services
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EN
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With the increasing awareness of environmental protection, lead-free solders are replacing tin-lead solders gradually. However, due to their good performance on wettability, reliability etc., tin-lead solders are still in wide use.
Features & Benefits
· Good Mechanical Properties
· Favorable thermal fatigue property
· Excellent wetting properties
· High reliability
· Long-range reliability data support
Typical Products
Pb92.5Sn5Ag2.5 Preforms
Pb92.5Sn5Ag2.5 is a kind of high temperature soft solder, because of its unique features and benefits as below, it is irreplaceable until now.
Adding appropriate amount of silver can make the bonds withstand higher temperature, then to match the requirements of high reliability in high power components packaging.
|
Solid Line
°C |
Liquidus
℃ |
Eutectic Alloy
℃ |
Density
g/cm3 |
Resistivity
µΩ.m |
Thermal Conductivity
W/m.K |
Thermal Expansion Coefficient
10-6/℃ |
Tensile Strength
Mpa |
|---|---|---|---|---|---|---|---|
| / | 179 | / | 8.42 | 0.145 | 42 | 27 | 44 |
| / | 183 | / | 8.4 | 0.146 | 51 | 25 | 52 |
| 183 | 268 | / | 9.96 | 0.194 | / | / | 23.62 |
| 275 | 302 | / | 10.74 | / | / | / | / |
| 287 | 296 | / | 11.02 | 0.2 | 26 | 24 | 29.03 |
| 300 | 310 | / | 11.02 | 0.313 | 25 | 25 | 31.44 |
| 240 | 260 | / | 9.97 | 0.375 | 18 | 26 | 37.58 |