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Questions tagged [iron]

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7
votes
2answers
784 views

Ferrite vs. iron powder toroid for buck converters?

I'm wondering about the difference between small (13 mm outer diameter) ferrite and the yellow white iron powder toroids. Will the ferrite toroids saturate at 5 A current? I'm planning on using ...
0
votes
1answer
86 views

Is it safe to solder headphone's cable that connected a pc by 3.5mm jack [closed]

While I fixing headphone, I wore headphone on my ear and plugged in headphone wire to my computer. Then I was soldering the broken cable of headphone. When solder tip touch the cable, it was listened ...
-1
votes
1answer
221 views

Voltage convert from 110v to 220v

Should the ceramic heater in soldering iron be changed to convert the iron from 110 volt to 220 volt? What about the Thyristor? I know getting new iron is better, but my question is just for learning....
0
votes
2answers
163 views

soldering a 12V plug cathode

I cant seem to properly solder a stranded wire to that cathode terminal. Checked the answer https://electronics.stackexchange.com/a/90605/35737 - fluxing it did not help and solder does not adhere to ...
6
votes
2answers
1k views

using plumber's copper solder as a “solder paste” for SMD components

Can I ? :D It is what I currently have plenty of lying around and, well... it says S-Sn97-Cu3 at composition If not, could I use regular solder wire, coat the SMT ...
1
vote
0answers
90 views

How to find the optimal section of a magnetic core of a transformer and of the windings?

I'm designing, as a hobby project, a simple step down transformer with a power rating of 300VA. These are the requirements of the design: Rated nominal power: S_n = 300 VA Nominal frequency: 50Hz ...
0
votes
2answers
647 views

Why there is welding on some iron transformers' core?

(This photo isn't mine!) Why there is welding on some iron transformers' core? is it only for holding the laminations together? edit can we repair or rewind this kind of transformers?
2
votes
4answers
510 views

Excessive temperature on cheap soldering iron - will series capacitor fix it?

Soldering iron came in a $14 USD kit off eBay. Lots of neat stuff, but the iron became so hot as to badly damage a DIY Kit. After a 2nd chance w/ the same results, it was hacked, Heating element of ...
5
votes
1answer
747 views

What is the “temperature code” of a soldering tip?

I am looking for a replacement tip similar to the ones below on the picture. On the bottom of my tip there is a number 6 which might be this "temperature code" that I found next to these types of tips ...
1
vote
1answer
3k views

I got a shock from the soldering iron [closed]

I bought a soldering iron from market. I used it for about 15 minutes and it worked great, but after that, when I touched the soldering wire to the tip of the soldering iron, I got a threatening shock....
2
votes
1answer
363 views

How significant are hysteresis losses in iron wires with RF currents?

I understand that iron isn't a great choice of conductor for RF currents, as a wire dipole antenna for example. I understand there are several reasons, but I'm wondering specifically about one: ...
1
vote
2answers
439 views

PCB - Why to use Iron chloride?

Soon, I'll try to create my own PCB with the iron chloride method. I watched a video on that and it seems quite "easy". The only thing that I don't understand is the need to put the PCB on the iron ...
4
votes
2answers
399 views

Solder does not stick to iron after cleaning

I have read many articles regarding this subject and none have worked - otherwise I would not have made a thread that is surely a dupe of many others on this site. I purchased this 25W soldering ...
7
votes
2answers
2k views

Can “lead free” tips be used with leaded solder?

I've just purchased my first soldering iron, an Atten 8586. The item description claims it is suitable for lead free soldering, however I have no interest in using lead-free solder at this point. I'...
0
votes
3answers
2k views

Temperature limit on Soldering iron\heating element

I am trying to design a soldering iron type of tool that will not heat-up past, lets just say 400 degrees F. I know I can get a PID controller and manipulate the temp, but I'd JUST like the unit to ...
3
votes
3answers
3k views

Creating a low (90-250F) temperature-controlled soldering iron (or modifying a higher temp one to get lower temps)

I'm a wax sculptor and am interested in getting a temperature controlled soldering iron but I need a very low temperature range (like 100-250F). Most units come with a bottom end of 350F+. Is there a ...
4
votes
2answers
3k views

Coils! Does the material used matter?

I've been making some coils with wires and I find out that sometimes they work and sometimes they don't work at all, the inside of those that don't work are some what more "silver-ish", more "metal-...
7
votes
3answers
14k views

25 W soldering iron not working properly?

I have a FULGORE soldering iron (quite an unknown brand, isn't it?) and I think it is not working properly but I would like to hear the opinion of experts. The iron, as mentioned in the title, ...
1
vote
1answer
228 views

Electronic compass soft iron distortion

I'm making a small autonomous vehicle, it is about 300x300mm in size. I need to get a heading for the robot. I currently have a CMPS03 compass but am finding that it is highly sensitive to soft iron ...
7
votes
6answers
21k views

Older Weller soldering iron won't heat?

I inherited a Weller WTCPL soldering station a while ago: It was my grandpa's, and although I can't find a direct reference to it anywhere on the net, I'm guessing it's anywhere from 40 to 60 years ...
9
votes
3answers
650 views

Mysterious piece of metal shipped with a soldering iron

This piece of metal was packaged with my new soldering iron. Does anybody know what is it ? Is it a stand ?
20
votes
8answers
5k views

Choosing a new soldering iron [closed]

I'm looking for a new soldering iron. What is the best all rounder soldering iron (soldering station) < $200 USD?