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APEX-NPW-08-02-4
Sn-Ag-Cu series

Lead free flux cored solder wire

MIL-RMA, JIS-A, IPC-ROL1 type lead free type flux cored wire solder.
Good wettability and low flux spattering at soldering.
Supports both laser and iron soldering. Light color flux residue.

Table .Characteristics

Items Characteristics Test method
Alloy composition(%) Sn:Balance, Ag: 3.0±0.1, Cu: 0.5±0.05 Allowable impurity level is based on JIS Z 3282.
Solidus temperature(°C) 217 DSC (Differential Scanning Calorimetry)
Liquidus temperature(°C) 220
Flux content(%) 3.7~4.3 JIS Z 3197 8.1.2
Halide content*(%) 0.08~0.14 JIS Z 3197 8.1.4.2.1
Copper mirror test No corrosion JIS Z 3197 8.4.2
Copper plate corrosion test No corrosion JIS Z 3197 8.4.1
Insulation resistance test (Ω) More than 5.0×10⁸ JIS Z 3197 8.5.3 JIS type, 85°C-85%RH, 168h, measured with DC100V inside of chamber
Migration test No migration JIS Z 3197 8.5.3 JIS type, 85°C-85%RH, 1000h, applied with DC48V, visual check
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
Remarks JIS Z 3282:2006 Solders-Chemical compositions and forms JIS Z 3197:1999 Testing method for soldering fluxes