Technical Data Bolivar Drive, PO Box 547 Bradford, PA 16701 Phone: 814-362-5536 Fax: 814-362-8883 www.koaspeer.com KOA Corporation Pb-Free Through-Hole Components Test Data Section 1 – All tests in Section 1 used Pb-free Solder Paste for Testing to Prove Compatibility of the Pb-Free Components vs. Pb-Free Solder Paste. The Pb-Free Solder Paste used was Sn-3Ag-0.5Cu Solder. （１）Solder Wetting – Wetting Balance of Through Hole Components with Sn-3Ag-0.5Cu Solder ＜W etting Balance M ethod＞ Fixing solder： Sn-3.0Ag-0.5C u（ IndustrialStandard） ,Peak Tem p.： 250℃ Pre-Treatm ent： PC Ｔ(105℃-16h) 5.0 Zero Cross Time ( 4.0 3.0 2.0 1.0 0.0 Sn-Pb Plating Sn-C u Plating Sn-Pb Plating Leaded Resistors(Soft copper wire) Sn-Ag-C u Treatm ent SIP Type Resistor Networks(Iron Fram e) （２）Joining Strength Test Conditions：Temperature cycling of -55C（30min.）／+125C（30min.） Joining Strength of Lead Wire Type < L E A D E D R E S IS T O R S (S o ft c o p p e r w ire ) > F ix in g s o ld e r：S n - 3 A g - 0 .5 C u 70 60 Tension Strength ( 50 40 30 Sn-Pb Plating 20 ▲ Sn-Cu Plating 10 0 0 3. SIP Networks 250 500 750 1000 (c y c ) Technical Data Bolivar Drive, PO Box 547 Bradford, PA 16701 Phone: 814-362-5536 Fax: 814-362-8883 www.koaspeer.com KOA Corporation Pb-Free Through-Hole Components Test Data ＜ Resistor Networks＞ Fixing solder： S n-3Ag-0.5Cu 60 Tension Strength（Ｎ 50 40 30 20 10 0 0 250 S n-P b P lating 500 1000 S n-A g-C u T reatm ent （ｃｙｃ） Section 2 – All tests in Section 1 used SnPb Solder Paste for Testing to Prove Compatibility of the Pb-Free Components vs. SnPb Solder Paste. The SnPb Solder Paste used was Sn-40Pb Solder. （１）Solder Wetting – Wetting Balance of Through Hole Components with Sn-40Pb Solder <φ0.45m m Lead W ire (soft copper w ire) > 3.5 Sn-Pb plated products Sn-C u plated products 3 Zero Cross Time(s 2.5 2 1.5 1 0.5 0 200℃ 210℃ 220℃ Solder Tem p. 230℃ < φ0.8m m Lead W ire (soft copper w ire) > 5 Zero C 4 Sn-Pb plated products Sn-C u plated products Technical Data Bolivar Drive, PO Box 547 Bradford, PA 16701 Phone: 814-362-5536 Fax: 814-362-8883 www.koaspeer.com KOA Corporation Pb-Free Through-Hole Components Test Data ＜SIP type Network Resistors＞ 5 Zero Cross Time（s Sn-Pb Plating Sn-Ag-Cu Treatment 4 3 2 1 0 220℃ 230℃ Solder Tem p. 240℃ （２）Joining Strength Test Conditions：Temperature cycling of -55C（30min.）／+125C（30min.） Technical Data Bolivar Drive, PO Box 547 Bradford, PA 16701 Phone: 814-362-5536 Fax: 814-362-8883 www.koaspeer.com KOA Corporation Pb-Free Through-Hole Components Test Data Joining Strength of Lead Wire Type <φ0.45 LEAD W IRES (soft copper w ire) > Sn-Pb plated products (200℃ soldering) Sn-Pb plated products (230℃ soldering) Destruction Value (N) 70 60 50 40 30 20 10 0 Sn-C u plated ploducts (200℃ soldering) Sn-C u plated products (230℃ soldering) 0cy 500cy Tem p.C ycle <φ0.8m m LEAD W IRES (soft copper w ire) > Sn-Pb plated products (200℃ soldering) Sn-Pb plated products (230℃ soldering) Destruction Values 160 140 120 100 80 60 40 20 0 0cy Sn-C u plated products (200℃ soldering) Sn-C u plated products (230℃ soldering) 500cy Tem p.C ycle ＜Network Resistors＞ Fixing solder ： Sn－Ｐb（Eutectic） 60 Destruct 50 40 Technical Data Bolivar Drive, PO Box 547 Bradford, PA 16701 Phone: 814-362-5536 Fax: 814-362-8883 www.koaspeer.com KOA Corporation Pb-Free Through-Hole Components Test Data （３）Terminal Connection Strength of SIP Type Network Resistors Test Conditions：Application of Weight Toward Terminal Axis 9.8N/10sec. Resistance changing rate 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 Sn-Pb Sn-Ag-C u 22 10k Resistance range（ ohm ） 1M