KOKI Solder pastes with Pb - characteristics

SE - Sn63, Pb37

SS - Sn62, Pb36, Ag2

SSA - Sn62.6, Pb36.8, Ag2, Sb0.2

 

KOKI product code SE(S)48-M955 SE(S)48-M955LV SE(S)48-M1000-3 SE(S)48-M855 SE(S)48-M600 SSA48-M954 SE(S)4-M951DK SE(S)5-M953iD
Application Hi-performance Low void Powerful wetting Hi-speed printing ICT testable Anti-tombstoning for dispenser for dispenser
Alloy Shape Spherical Spherical Spherical Spherical Spherical Spherical Spherical Spherical
Particle size (um) 20 - 45 20 - 45 20 - 45 20 - 45 20 - 45 20 - 45 20 - 50 20 - 38
Flux Halide content (%) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Surface insulation resistance [1] Initial value (ohm) > 1 x 1012 > 1 x 1012 > 1 x 1012 > 1 x 1012 > 1 x 1012 > 1 x 1012 > 1 x 1012 > 1 x 1012
After humidification (ohm) > 1 x 1011 > 1 x 1011 > 1 x 1011 > 1 x 1011 > 1 x 1011 > 1 x 1011 > 1 x 1011 > 1 x 1011
Aqueous solution resistivity [2] (ohm.cm) > 5 x 104 > 5 x 104 > 2 x 104 > 1 x 105 > 1 x 105 > 1 x 105 > 5 x 104 > 5 x 104
Flux type ROL0 ROL0 ROL0 ROL0 ROL0 ROL0 ROL0 ROL0
Product Flux content (%) 10 9.2 10 ± 0.5 10 ± 0.5 9.5 ± 0.5 10 13 13
Viscosity [3] (Ps) 2000 1900 1900 ± 10% 1500 ± 10% 2100 ± 10% 1900 800 800
Copper plate corrosion [4] Passed Passed Passed Passed Passed Passed Passed Passed
Solder spreadability (%) 90 90 90 90 90 90 90 90
Tack time > 36 hours > 24 hours > 24 hours 16 hours 10 hours > 36 hours > 6 hours > 24 hours
Shelf life (bellow 10C) 6 months 6 months 6 months 6 months 6 months 6 months 6 months 6 months

Notes:

1. SIR..............................................................40 °C x 90%RH x 96Hr

2. Aqueous solution resistivity.........................In accordance with MIL specifications.

3. Viscosity......................................................Malcom spiral type viscometer, PCU-205 at 25°C 10rpm

4. Copper plate corrosion................................In accordance with JIS.