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APEX-NPW-08-12-4
Sn-Ag-Cu series

Lead free resin flux cored wire solder

This product is suitable for soldering of densely packed components required to be highly reliable soldering as flux cored wire solder.

Table .Characteristics

Items Characteristics Test method
Alloy composition(%) Sn:Balance, Ag: 3.0, Cu: 0.5 Allowable impurity level is based on JIS Z 3282 class-A
Solidus temperature(°C) 217 DSC (Differential Scanning Calorimetry)
Liquidus temperature(°C) 220
Flux contents(mass %) 4.0 JIS Z 3197 8.1.2
Halide contents(mass%) 0.10 JIS Z 3197 8.1.4.2.1
Copper mirror test - JIS Z 3197 8.4.2
Copper plate corrosion test Passed JIS Z 3197 8.4.1
Insulation resistance test (Ω) More than 1.0×10⁸ JIS Z 3197 8.5.3 JIS type, 85°C-85%RH, 168h, measured with DC100V inside of chamber
Migration test Passed JIS Z 3197 8.5.3 JIS type, 85°C-85%RH, 1000h, applied with DC48V, visual check
Silver chromate paper test - JIS Z 3197 8.1.4.2.3
Aqueous solution resistance test(Ωm) 1050 JIS Z 3197 8.1.1
Dryness test Passed JIS Z 3197 8.5.1
Spreading factor test(%) 79 JIS Z 3197 8.3.1.1
Flux scattering factor(%) 1.0 JIS Z 3197 8.3.2.1
Remarks JIS Z 3197:1999 Testing method for soldering fluxes