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Desoldering With The Help of Medical Needles (Hypodermic Needle)

By Jestine Yong on December 26, 2017

Have you ever heard before, using Medical Needles for Desoldering? “For more details please see the video link provided in end of the article.’ This is the perfect tool if you can’t afford expensive Desoldering tools. You have to do little practice and you will enjoy the process without struggle for Desoldering.

First Cut a syringe needle pointed tip and make it blunt.

Don’t pinch it off or you’ll flatten it (If get Flatten then use appropriate thickness sewing Needle to clear the hole), use a hand file to grinding down damage and then break of the tip.

Place the needle over the pin to desolder. Press down slightly with your index finger to keep the needle in place. Don’t presses too hard or the needle will get bend.
Melt the solder on the pin with the tip of a soldering iron whilst pressing the needle and twist the needle clockwise and anti clockwise. The needle will pop through the PCB. On 2-layer PCBs: keep pressing and heating, it’ll pop through a second time.

Remove soldering tip, let it cool and remove needle while twisting it. The solder doesn’t stick to the needle, the pin is free.
Repeat for all pins. Wiggle the component out.

Clean the pins by stroking them with the soldering iron, straighten with pliers if necessary. Ideal no’s of needle is 20,18,16,14 or Choose by measuring hole and component’s pin diameter in the PCB.

You can easily remove Power adaptor DC sockets, Capacitors, Transformers, resistors, EHT, IC Specially Big Jungle IC Used in CRT TV and many more.

You can get this type of ready KIT of Blunt Needles

Please have a look on the following link this will help you to understand using of needle.

Product Like this: http://www.drivestar.biz/hollow-needles-desoldering-tool-for-electronic-components-p-2220.html

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.

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Note: You can check his previous repair articles in the link below:

https://jestineyong.com/221k-2kv-cap-cracked-in-power-supply/

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25 Comments

Parasuraman

December 26, 2017 at 10:20 pm

Very, very valuable info!

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- Yogesh Panchal
  
  December 31, 2017 at 3:38 pm
  
  Thank you Sir.
  I used it for removing EHT it works great, just refresh the old solder on part which needs replace and then appropriate size of needle very easy.
  
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  Reply
  - Amir Mukhtar Ashrafi
    
    January 1, 2018 at 12:32 pm
    
    Great Information Shared.
    thank you Mr Yogesh Panchal for sharing nice expertise.
    keep sharing to Learn more.
    
    Amir Mukhtar Ashrafi
    A Student of Electronics
    karachi. PK
    
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    Reply
Henrique Jorge Guimarães Ulbeich

December 26, 2017 at 11:27 pm

That´s great, Yogesh! Very simple, cost-effective and fast. The usefull things are served in simple packages...

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- Yogesh Panchal
  
  December 31, 2017 at 3:40 pm
  
  Thanks Henrique.
  Thanks for your comment.
  
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Suranga Electronics

December 26, 2017 at 11:54 pm

Yes Mr, Very good Solution.
Removing IC and others Without Damage PCB.
Thanks for This.

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- Yogesh Panchal
  
  December 31, 2017 at 3:42 pm
  
  Suranga,
  
  This is effective process just need little practice.
  Thanks.
  
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  Reply
R Murali

December 26, 2017 at 11:56 pm

Thanks for sharing this valuable idea.

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- Yogesh Panchal
  
  December 31, 2017 at 3:43 pm
  
  R murali,
  your welcome!.
  
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Dave Vazquez

December 27, 2017 at 12:29 am

As a professional technician,, using the proper equipment to de solder would be more appropriate and safer by using hopefully unused needles,,idea interesting.You would need a prescription for needles in USA,, in other countries maybe not,, they could be used. Try the pistol grip HAKKO SYSTEM de solder or a vacuum plunger,, It would be more assuring

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- Robert Calk
  
  December 27, 2017 at 6:37 pm
  
  I don't know where you heard that at. I have some for mixing my e-juice for vaping and I didn't need a prescription.
  
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- Mandingo
  
  December 29, 2017 at 5:01 am
  
  Ideally. yes ... but not everyone can afford the proper equipment ... so this is a creative way to get the job done.
  
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  - Yogesh Panchal
    
    December 31, 2017 at 4:02 pm
    
    Mandingo,
    Thanks for your comment.
    
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- Yogesh Panchal
  
  December 31, 2017 at 3:57 pm
  
  Dave Vazquez,
  I have already mentioned "if you can’t afford expensive De-soldering tools" in this article.
  
  for professional technician many more options are available like dust proof lab,Anti-static Apron,Anti-static shoes ,Anti-static Hand glows Anti-static Cap,Anti-static Work bench,Anti-static Tools,Eye Glasses and many more if you can afford for safety purpose & we are not aware of if you need any prescription for Blunt needles.
  
  Thanks for your comment.
  
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Albert

December 27, 2017 at 10:05 am

Thanks for the information Yogesh. I already use a not hollow simple small metal pointy tapered metal pricker in case any solder is hard to remove from copper vias. I always manage to unsolder components first so do not need to buy any expensive tools for this.

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- Yogesh Panchal
  
  December 31, 2017 at 4:08 pm
  
  Albert,
  End of all you have to feel easiness ,comfortable and satisfy your self for whatever tool you use as per your financial condition.
  
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Robert Calk

December 27, 2017 at 6:34 pm

Thanks, Yogesh. An easy way for those that don't have a desoldering gun.

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- Yogesh Panchal
  
  December 31, 2017 at 4:13 pm
  
  Thank you Sir,
  I have seen many technicians who are using tricks & ideas out of the ways that works too . yes safety is always concern.
  
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Gerald Musy

December 27, 2017 at 8:34 pm

Very good Yogesh , something different and interesting. Not everyone has a professional de-soldering tool and this tip will help many. Not sure though about the availability of those needles. But it is something worth to try.
Thanks for sharing and Happy New Year to you and anyone reading this message.

Cheers,
GM

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- Yogesh Panchal
  
  December 31, 2017 at 4:20 pm
  
  Gerald Musy,
  
  Thanks for your comment.
  These needles are ordinary medical needles which doctors are using. just take appropriate number of the needle match the needle hole with lead of the component & cut the needle tip with use of cutter by making it blunt so that it won't heart you while using that's all.
  
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Henry

December 28, 2017 at 2:10 pm

Certainly looks like a good idea. However, one needs to be careful not to push too hard as it may lift or damage the copper pads.
Anyway, a set of needles is available from Banggood.com and the price is reasonable. Here is the link
www.banggood.com/8Pcs-Stainless-Steel-Hollow-Needles-Core-Desoldering-Tool-Set-p-928740.html?rmmds=search&cur_warehouse=CN

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- Yogesh Panchal
  
  December 31, 2017 at 4:21 pm
  
  Henry,
  Thanks for sharing the link.
  
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MANJEET SINGH

January 14, 2018 at 5:29 pm

This is new way.very good.

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Yogesh Panchal

January 21, 2018 at 1:28 am

Thank you Sir.

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Muhammad Ashfaq

February 15, 2018 at 12:20 pm

very informative video for poor areas peoples mind touching idea pls.

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