SMD LED's and Resistors...


goscrewyourselves

goscrewyourselves

I'm the one
With some in trepidation I finally worked up the nerve to try out my new ISO-TIP Battery Operated Soldering Iron, with pointy nose (conical) tip, on one of my 550 mcd SMD LED's and a 1K SMD resistor. I also used 26 Gauge Stranded Wire and .020 37/63 No Clean Solder.

So, this is the end result with resistor attached and how I managed to "control things" while I did the soldering:

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LED without lights:

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With some light:

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Used a 550 mcd Cool White LED connected to a 1K resistor. I might try another with a 2K resistor and see what effect that has and then a 3K resistor. That being said, this LED is no where are bright as the initial 1200 mcd LED's I bought.
 
Tony,

This is going to be an almost useless post, but.....

I bought a package of {here's where it gets useless} blue stuff that is used to hold components in place while soldering. It works great. The problem is, I don't remember what its called or where I got it. I tried a couple of different searches "blue stuff for soldering, sticky stuff for soldering" but didn't find the (no pun intended) right stuff.
 
Red Oak & Western said:
Tony,

This is going to be an almost useless post, but.....

I bought a package of {here's where it gets useless} blue stuff that is used to hold components in place while soldering. It works great. The problem is, I don't remember what its called or where I got it. I tried a couple of different searches "blue stuff for soldering, sticky stuff for soldering" but didn't find the (no pun intended) right stuff.
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Not useless at all Kevin ... any ideas put forward are all GOOD - even if precise details aren't all there :)

Maybe Blue Tack or Play Doh or similar would work considering all it has to do is "hold" the LED and Resistor in place while being soldered. Only thing I could think of that might make it un-usable for that purpose is something in it that might not react too well to heat.
 
Finally remembered! The stuff I got is called "Blu-Tack Reuseable Adhesive". It is also known as poster tack. I'm (admittedly) pretty good at soldering, so I've never had any heat problems with it. It's recommended on a lot of electronics and "maker" sites, so it should be fairly tolerant.
 
Red Oak & Western said:
Finally remembered! The stuff I got is called "Blu-Tack Reuseable Adhesive". It is also known as poster tack. I'm (admittedly) pretty good at soldering, so I've never had any heat problems with it. It's recommended on a lot of electronics and "maker" sites, so it should be fairly tolerant.
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I think when it first came out it was called fun tack. Been around for a while. I never thought to use it to hold stuff while soldering. Great idea.
 
tootnkumin said:
As an aside comment, I note the Californian Cancer warning. I often think that when a baby is born it should be stamped with a similar notice. "Caution! Life, it may be dangerous to your health and wellbeing".
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Isnt that the truth......Hardly any product now days doesn't have some sort of warning label!
 
tootnkumin said:
As an aside comment, I note the Californian Cancer warning. I often think that when a baby is born it should be stamped with a similar notice. "Caution! Life, it may be dangerous to your health and wellbeing".
Click to expand...

One of my favorite quips: What's the leading cause of death? Life.
 
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