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132 posts

Master Geek


# 182572 21-Oct-2015 20:39
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I need to replace the female dc plug for my laptop charger cord. I have a spare plug with bare end wire but the positive connections inside the plug are thinner than the one I am replacing it with. The charger has a 6.3 Amp output so I think the connections and wire in the plug I have may be too thin. 

How do the 'solder tag' replacement connectors work? I have seen them but never used one. Will I be able to solder it with my horrible thick non fine point,  non temperature controlled burn any flux in sight soldering iron?

Alternatively where can I get a bare end dc plug which will support higher current?


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Uber Geek

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  # 1410708 21-Oct-2015 20:43
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I have seen some on ebay that come with a short piece of cable and an inline joiner sold as a repair connector. That may be your best bet.

http://www.ebay.com/itm/DC-Power-Plug-Kit-for-Pin-Damaged-Laptop-Charger-Cable-Repairs-HIGH-QUALITY-/261824406001?var=&hash=item3cf5f361f1:m:mgtj_nrlqxMdAuWaRi09CfA

no nz shipping but im sure you will find the same thing from someone else if you look.

IME soldering those DC plugs is at best a temporary repair as they have no real strain relief on them.




Richard rich.ms



132 posts

Master Geek


  # 1414929 27-Oct-2015 17:37
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This is turning out harder than it should be. I bought a 5.5mm x 2.5mm replacement plug, guess what doesn't fit. Despite the fact I have a 5.5mm x 2.5mm plug which fits nicely. Problem is the lead I have uses two little pins inside the plug for the positive side. Like this one:
http://www.ebay.com/itm/115cm-5-5mmx2-5mm-Single-Pin-Male-Laptop-Notebook-DC-Power-Cable-Cord-Black-/321445025088?hash=item4ad79dd540:g:P-IAAOSw3ydVz379

I am not sure the plugs in this style are suitable for a charger rated 6.3 Amp. 

The replacement I bought was in this style:
http://www.google.co.nz/imgres?imgurl=http://ecx.images-amazon.com/images/I/71TWszKfxvL._SY355_.jpg&imgrefurl=http://www.amazon.com/2-5mm-5-5mm-9-5mm-DC-Plug/dp/B0002KR28Q&h=355&w=355&tbnid=Xoe4cpuaWqcmyM:&docid=bLpLH5uoHyqiJM&ei=GP8uVtGjHaPDmAXJlaKYDQ&tbm=isch&ved=0CCQQMygJMAlqFQoTCNGPzd_p4cgCFaMhpgodyYoI0w

But it sits too loose. 

The original had 4 metal prong for the positive side. One of the 4 metal prong would contain more metal than the plugs which have the two little pins. 

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