the lead-free soldering tin has high electric conductivity, smooth soldering point, less oxidation, no lead and environment friendship.
本技术导电性好,焊点光滑,不易氧化,无铅,满足无铅化的环保要求。
space between soldering point and the bottom of product
焊锡点位置离产品底部
resistance between soldering point and grounding
焊咀与接地间阻抗
potential between soldering point and grounding
焊咀与接地间电位
the head center of the soldering iron head is provided with a centering pin positioned at the center point of the circular ring circle and rising a little altitude than the circular ring plane.
在所述烙铁头的头部中心有一定心针,该定心针位于圆环的圆心处,高度略微高出圆环平面。
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