TAMURA NC7-E5-200B Lead-tin paste
Brief introduction to the characteristics of lead-tin paste in Tamura Tamura NC7-E5-200B;
- It also shows good welding performance on tiny parts with a spacing of 0.4 mm.
- A stable FILET can be formed at the end face of QFP.
- Tin balls are basically not generated.
- Suitable for air reflow welding system and nitrogen reflow welding system.
Tamura Tamura NC7-E5-200B has specifications of lead-tin paste:
| name of an article | NC7-E5-200B | test method |
| Alloy composition (%) | Sn63/Pb37 | JIS Z 3282(1986) |
| Melting point (℃) | 183 | DSC determination |
| Solder particle size (μm) | 20~38 | Laser light folding method |
| Tin powder shape | sphericity | JIS Z 3284(1994) |
| Flux content (%) | 9.7±0.5% | JIS Z 3284(1994) |
