ALPHA CVP-520 Solder Paste
ALPHA CVP-520 is a zero-halogen, low-temperature solder paste engineered to enable advanced Surface Mount Technology (SMT) assembly while minimizing rework in multiple reflow applications. Manufactured by industry leader MacDermid Alpha, this formulation supports peak reflow profiles between 155°C and 190°C for near-eutectic alloys such as SnBi0.4Ag.
Performance Advantages of CVP-520
Formulated with a carefully selected alloy, the paste provides the lowest melting point and narrowest pasty range during melting and re-solidification, maximizing resistance against thermal-cycle-based fatigue.
- Enables low-temperature SMT assembly to reduce thermal stress on substrates.
- Minimizes rework across multiple reflow soldering applications.
- Clear, colorless flux residue delivering exceptional electrochemical reliability.
- Yields extremely low voiding in Ball Grid Array (BGA) solder joints, even with SAC spheres.
Assembly Guidelines and Compatibility
When deploying ALPHA CVP-520 in production, all interacting components must be strictly lead-free. This eliminates the formation of low-melting-point tin/lead/bismuth intermetallics, which melt below 100°C and compromise structural integrity.
Product Specifications
| Property | Specification Details |
|---|---|
| Product Name | ALPHA CVP-520 |
| Alloy Compatibility | Near-eutectic alloys (e.g., SnBi0.4Ag) |
| Peak Reflow Profile Range | 155°C to 190°C |
| Flux Residue Appearance | Clear, Colorless |
| Key Performance Metric | Low BGA voiding & thermal-cycle fatigue resistance |
Conclusion
Utilizing ALPHA CVP-520 delivers superior thermal energy savings and reliable interconnect performance for temperature-sensitive electronic assemblies. To inquire about ordering details or technical support, please visit Contact – LORIOT INDUSTRIAL.

