Lead-free solder wires

3-6、Guidance for the selection of solder wires

3-6-1 Sn-Cu Alloys

Series Composition Melting Point/Solidus With Flux core No Flux core Recommendation
WH-10 S-Sn99.90 232 232  
WH-22 S-Sn99.7Cu0.3 227 227  
WH-23 S-Sn99.3Cu0.7 227 227 Used widly
WH-24 S-Sn99Cu1 227 240  
WH-25 S-Sn97Cu3 227 275  
WH-323 S-Sn99Cu0.6Ni0.4 226 226  
WH-335 S-Sn96.75Cu3Ni0.25  

3-6-2 Sn-Ag Alloys

Series Composition Melting point/Solidus With flux core No flux core Recommendation
WH-26 S-Sn97Ag3 221 200  
WH-27 S-Sn96.5Ag3.5 221 221  

3-6-3 Sn-Ag-Cu Alloys

Series Composition Melting point/Solidus with flux core No flux core Recommendation
WH-316 S-Sn97Ag1Cu2  
WH-326 S-Sn96.5Ag3Cu0.5Ce 217 219 For the slap-up products
WH-327 S-Sn95.5Ag3.5Cu1 218 218  
WH-373 S-Sn99Cu0.7Ag0.3 218 218 For general products
WH-402 S-Sn96.5Ag2Cu1Sb0.5 216 222    

3-6-4 Sn-Bi-X Alloys

Series Composition Melting point/Solidus with flux core No flux core Recommendation
WH-330 S-Sn93Ag4Bi3 219 221  
WH-138 S- Bi58Sn42 138 138  

3-6-5 Sn-Sb Alloys(Eutectic)

Series Composition MeltingPoint(℃) With flux cor No flux core Bar Recommendation
WH-210 S-Sn95Sb5 234-240  

Notice:“●” in the table represents this kind of product is supplied,“-” represents no products

津ICP備05011517號-1 Copyright © 2010 Cooper ZhongyaSolder,Inc All Rights
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