SOLDER COAT CO.,LTD.
Low-cost Lead-free solder paste / BT LF 220
It can be mounted in a conventional equivalent temperature profile and Sn-3.0Ag-0.5Cu.
Basic specification
| Sn | Ag | Cu | Other | |
|---|---|---|---|---|
| LLS 220※ | Bal. | 1.0 | 0.7 | X |
| LLS 225※ | Bal. | 0.3 | 0.7 | - |
| (Reference)LLS 219 | Bal. | 3.0 | 0.5 | - |
※Senju Metal Industry patentc
Basic characteristic
| BT | Test method | |
|---|---|---|
| Viscosity(Pa·s) | 190 | JIS Z3284 |
| Halogen content(%) | 0.01 | JIS Z3284 |
| Steel plate corrosion test | Pass | JIS Z3284 |
| Insulation resistance(Ω)Conditions B | More than 1.0×109 | JIS Z3284 |
| Flux content(%) | 11.2 | JIS Z3197 |
Continuous printing performance
Electromigration test
