Subject
Computer Science
Topic
Computer Hardware
Which solder type is common in modern electronics for RoHS compliance?
Which solder type is common in modern electronics for RoHS compliance?
ক)
Lead-based Sn63/Pb37খ)
Lead-free SAC305 (Sn-Ag-Cu)গ)
Pure leadঘ)
Silver onlyExplanation
SAC305 (96.5% Sn, 3.0% Ag, 0.5% Cu) is a common RoHS-compliant alloy. It has higher melting point than leaded solder, requiring tighter thermal profiles. Leaded solder is still used in exempt applications. Proper flux and cleanliness ensure reliable joints.Related questions
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