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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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Solder Preforms
SOLDER PREFORMS
Gold-based Solder Preforms
Reinforced Solder Preforms
Silver-based Solder Preforms
Indium-based Solder Preforms
Lead-free Solder Preforms
Tin-lead Solder Preforms
Flux-Coated Preforms
Tin-lead Solder Preforms
Tin-lead Solder Preforms
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.
PRODUCT SELECTION
DETAILED INTRODUCTION
PRODUCT LIST
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.?
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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.
PRODUCT LIST
|
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 |