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APEX-NP-P08-12-04
Sn-Ag-Cu

Pb-free solder paste — RMA type for dispensable

This solder paste is composed of lead free solder alloy and it has good performances. It is superior to wetting, and also it has scarce slump and solder ball after soldering. It has high reliability of RMA-type solder paste.

Table .Characteristics

Items Characteristics Test method
Alloy composition(%) Sn: Balance, Ag: 3.0±0.1 Cu: 0.50±0.05 Allowable impurity level is based on JIS Z 3282 class-A
Solidus temperature(°C) 217 DSC (Differential Scanning Calorimetry)
Liquidus temperature(°C) 220
Powder particle size(μm) 38~25 JIS Z 8801
Flux content(mass %) 14.0±0.5 JIS Z 3197 8.1.2
Halide contents(mass %) 0.09±0.01 JIS Z 3197 8.1.4.2.1
Copper plate corrosion test Passed JIS Z 3197 8.4.1
Copper mirror test Passed JIS Z 3197 8.4.2
Insulation resistance test (Ω) More than 1×10⁸ JIS Z 3197 8.5.3 85°C-85%RH, 168h, in chamber
Voltage-applied moisture resistance test Insulation resistance test (Ω) More than 1×10⁸ JIS Z 3197 8.5.4 85°C-85%RH, 1000h, 100VDC in chamber
Migration Passed
Aqueous solution resistance test (Ωm) More than 1000 JIS Z 3197 8.1.1
Dryness test Passed JIS Z 3197 8.5.1
Spreading factor test (%) More than 75 JIS Z 3197 8.3.1.1
Viscosity test(Pa s) 110±30 Malcom PCU-2 10rpm, 3minutes
Thixotropic index test 0.60±0.10 Calculation