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NP545 Solder Paste

NP545 Solder Paste

Kester NP545 is a zero-halogen, lead-free no-clean solder paste formula designed for consistency and repeatability. NP545 is extremely stable and has an unrefrigerated shelf life of 12 months with no print or solderability degradation. NP545 consistently delivers paste transfer efficiencies of 0.55 to 0.5AR. The paste is also fully capable of printing and reflowing 01005 components, even in air reflow, with minimal graping behavior. NP545 is classified as ROL0 per IPC J-STD-004B.

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Alloy Powder Size Type Halogen Content Lead Content Description Part # Process
Sn96.5Ag3.0Cu0.5 3 No-Clean Zero-Halogen Lead-Free NP545 Sn96.5Ag3.0Cu0.5 T3 88.5% 500g JAR 7041050810 Screen/Stencil Printing
Sn96.5Ag3.0Cu0.5 3 No-Clean Zero-Halogen Lead-Free NP545 Sn96.5Ag3.0Cu0.5 T3 88.5% 600g CRT 7041050811 Screen/Stencil Printing
Sn96.5Ag3.0Cu0.5 4 No-Clean Zero-Halogen Lead-Free NP545 Sn96.5Ag3.0Cu0.5 T4 88.3% 500g JAR 7041050910 Screen/Stencil Printing
Sn96.5Ag3.0Cu0.5 4 No-Clean Zero-Halogen Lead-Free NP545 Sn96.5Ag3.0Cu0.5 T4 88.3% 600g CRT 7041050911 Screen/Stencil Printing
Sn96.5Ag3.0Cu0.5 4 No-Clean Zero-Halogen Lead-Free NP545 Sn96.5Ag3.0Cu0.5 T4 88.5% 750g DEK 7041050919 Screen/Stencil Printing

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