https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=Solder_Paste 2026-06-08T12:14:44Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=Solder_Paste&diff=28217&oldid=prev 2020-10-21T03:59:28Z

<p>Created page with &quot;== Soldering Paste Combination == {| class=&quot;wikitable sortable&quot; |- ! Combination !! Name !! Temp !! Type !! Feature |- | Sn99+Ag0.3+Cu0.7 || - || 217 || High |- | Sn63+Pb37||...&quot;</p> <p><b>New page</b></p><div>== Soldering Paste Combination ==<br /> {| class=&quot;wikitable sortable&quot;<br /> |-<br /> ! Combination !! Name !! Temp !! Type !! Feature<br /> |-<br /> | Sn99+Ag0.3+Cu0.7 || - || 217 || High <br /> |-<br /> | Sn63+Pb37|| 6337 || 183 || Middle <br /> |-<br /> | Sn62.8+Pb36.8+Ag0.4 || - || 183 || Middle <br /> |-<br /> | Sn42+Bi58 || 4258 || 138 || Low || Fragile <br /> |}<br /> <br /> === 6337 - 240 ===<br /> <br /> {| class=&quot;wikitable sortable&quot;<br /> |-<br /> ! Sn % !! Pb % !! Ag % !! Type !! Use !! Price !! Feature !! Melting Temp/Peak<br /> |-<br /> | 63 || 37 || - || 3(25-45) || for RCL, simple IC 0.5mm pitch || 71 || || 183/240<br /> |-<br /> | 63 || 37 || - || 4(20-38) || for RCL, dense IC 0.3-0.5mm pitch || 76 || || 183/240<br /> |-<br /> | 63 || 37 || - || 5(15-30) || for RCL, a lot dense IC 0.3mm pitch || 80 || || 183/240<br /> |-<br /> | 62.9 || 36.9 || 0.2 || 4(20-38) || for QFN type parts PCB || 79 || || 183/240<br /> |-<br /> | 62.8 || 36.8 || 0.4 || 4(20-38) || for BGA type parts PCB || 84 || more better conductibility || 183/240<br /> |-<br /> | 55 || 45 || - || 3(25-45) || for LEDs, LED strip, etc || 60 || || ?<br /> |-<br /> | 60 || 40 || - || 3(25-45) || better than above for LEDs, etc || 68 || || ?<br /> |}<br /> &lt;gallery&gt;<br /> File:6337-01.jpg | 3-4<br /> File:6337-02.jpg | 5-6<br /> File:6337-03.jpg | 7-8<br /> &lt;/gallery&gt;<br /> === 4258 ===<br /> {| class=&quot;wikitable sortable&quot;<br /> |-<br /> ! Sn % !! Bi % !! -<br /> |-<br /> | 42 || 58 || -<br /> <br /> |-<br /> | Example || Example || Example<br /> |}<br /> <br /> [[category: Soldering]]</div>

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