不要指望一个简单的答案--这取决于您的申请。
如果您正在寻找焊膏，NC-SMQ80是首选的助焊剂载体。对于喷涂应用，5RMA在金基板应用中拥有很高的人气。对于需要粘性助焊剂的小球连接或特殊工艺，WS-363在 ENIG 上的润湿性最好（见附图），但WS-575在引脚转移方面的流变性更好。在这些低温条件下的免清洗应用中，PoP 涨潮 030B是您的首选。
我提到过所有这些选择都是无卤素的吗？
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