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Blank_Canvas 47.1K Views
Dec 21, 2022 8:12 PM

120-Count Kuject Self-Solder Heat Shrink Butt Wire Connectors

$9.00

$15

40% off
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Deal Details
KujectDirect via Amazon has 120-Count Kuject Self-Solder Heat Shrink Butt Wire Connectors on sale for $8.99. Shipping is free w/ Prime or on $25+ orders.

Thanks to Community Members Blank_Canvas & clmiller30 for sharing this deal.

About this Item:
  • Shrinkage ratio is 3:1
  • Temperature that start to shrink: 80℃
  • Temperature that solder ring start to melt: 111ËšC
  • Temperature that solder ring melt completely：138ËšC
  • Includes:
    • 30x White Connectors: Diameter 1.7 mm, able cross-section 0.25-0.34 mm² (A.W.G.:26-24)
    • 40x Red Connectors: Diameter 2.7 mm, Cable cross-section 0.5-1.0 mm² (A.W.G.:22-18)
    • 40x Blue Connectors: Diameter 4.5 mm, Cable cross-section 1.5-2.5 mm²( A.W.G.:16-14)
    • 10x Yellow Connectors: Diameter 6.0 mm, Cable cross-section 4.0-6.0 mm² (A.W.G.:12-10)

Editor's Notes

Written by SaltyOne | Staff
  • About this Deal:
    • This price is ~$0.075 per piece.
    • Rated 4.6 out of 5 stars from over 32,700 reviews.
  • About this Store:
  • Refer to the forum thread for additional deal ideas & discussion.

Original Post

Written by Blank_Canvas
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
KujectDirect via Amazon has 120-Count Kuject Self-Solder Heat Shrink Butt Wire Connectors on sale for $8.99. Shipping is free w/ Prime or on $25+ orders.

Thanks to Community Members Blank_Canvas & clmiller30 for sharing this deal.

About this Item:
  • Shrinkage ratio is 3:1
  • Temperature that start to shrink: 80℃
  • Temperature that solder ring start to melt: 111ËšC
  • Temperature that solder ring melt completely：138ËšC
  • Includes:
    • 30x White Connectors: Diameter 1.7 mm, able cross-section 0.25-0.34 mm² (A.W.G.:26-24)
    • 40x Red Connectors: Diameter 2.7 mm, Cable cross-section 0.5-1.0 mm² (A.W.G.:22-18)
    • 40x Blue Connectors: Diameter 4.5 mm, Cable cross-section 1.5-2.5 mm²( A.W.G.:16-14)
    • 10x Yellow Connectors: Diameter 6.0 mm, Cable cross-section 4.0-6.0 mm² (A.W.G.:12-10)

Editor's Notes

Written by SaltyOne | Staff
  • About this Deal:
    • This price is ~$0.075 per piece.
    • Rated 4.6 out of 5 stars from over 32,700 reviews.
  • About this Store:
  • Refer to the forum thread for additional deal ideas & discussion.

Original Post

Written by Blank_Canvas

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Top Comments

CheapyDinglebop
367Comments
315Reputation
Good for a quick low voltage, low power connection but I sincerely hate these being a go-to for anything higher power (>20W) or current (>2A). The solder ring used is a low-temperature variant for ease of use but if you ever have heat in this connection again it can remelt leaving no mechanical connection between your wires aside from hot polyolefin and hot adhesive. The solder can also wick up the wire further than intended causing the connection to be brittle and easily stressed. Just use crimped connections especially where power, current, vibrations, and/or abrasion meets.
Go to Comment
texst
9.3KComments
1.2KReputation
This set off my butt alert
Go to Comment
clmiller30
124Comments
25Reputation
120 piece is a better value. Fakespot = D
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31 Comments

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Dec 22, 2022 3:41 PM
124 Comments
Joined Jul 2013
clmiller30Dec 22, 2022 3:41 PM
124 Comments
120 piece is a better value. Fakespot = D
1
Dec 22, 2022 8:41 PM
367 Comments
Joined Aug 2021
CheapyDinglebopDec 22, 2022 8:41 PM
367 Comments

Our community has rated this post as helpful. If you agree, why not thank

Good for a quick low voltage, low power connection but I sincerely hate these being a go-to for anything higher power (>20W) or current (>2A). The solder ring used is a low-temperature variant for ease of use but if you ever have heat in this connection again it can remelt leaving no mechanical connection between your wires aside from hot polyolefin and hot adhesive. The solder can also wick up the wire further than intended causing the connection to be brittle and easily stressed. Just use crimped connections especially where power, current, vibrations, and/or abrasion meets.
2
Dec 24, 2022 2:41 AM
349 Comments
Joined Apr 2009
intex45Dec 24, 2022 2:41 AM
349 Comments

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Quote from CheapyDinglebop View quoted comment :
Good for a quick low voltage, low power connection but I sincerely hate these being a go-to for anything higher power (>20W) or current (>2A). The solder ring used is a low-temperature variant for ease of use but if you ever have heat in this connection again it can remelt leaving no mechanical connection between your wires aside from hot polyolefin and hot adhesive. The solder can also wick up the wire further than intended causing the connection to be brittle and easily stressed. Just use crimped connections especially where power, current, vibrations, and/or abrasion meets.
Agree. Also, I tried using them on a 12 AWG connection and it was absolutely useless as the copper core would pierce through.
1
Dec 24, 2022 3:20 AM
127 Comments
Joined Mar 2016
dekonickDec 24, 2022 3:20 AM
127 Comments
Quote from CheapyDinglebop View quoted comment :
Good for a quick low voltage, low power connection but I sincerely hate these being a go-to for anything higher power (>20W) or current (>2A). The solder ring used is a low-temperature variant for ease of use but if you ever have heat in this connection again it can remelt leaving no mechanical connection between your wires aside from hot polyolefin and hot adhesive. The solder can also wick up the wire further than intended causing the connection to be brittle and easily stressed. Just use crimped connections especially where power, current, vibrations, and/or abrasion meets.
This was very informative! Good information.
Dec 24, 2022 6:14 AM
111 Comments
Joined Nov 2020
SandiaSkyDec 24, 2022 6:14 AM
111 Comments
https://www.amazon.com/gp/aw/d/B0...p13NParams

This is a better deal.
3
Dec 24, 2022 12:57 PM
267 Comments
Joined Mar 2013
SamT2060Dec 24, 2022 12:57 PM
267 Comments
I have hundreds of these in use in an automated ws2811 Christmas light setup. They work wonderfully all 12v and under.
Dec 24, 2022 1:20 PM
57 Comments
Joined Nov 2015
AtomicWinterDec 24, 2022 1:20 PM
57 Comments

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When I work on card I'm weird, paranoid and don't trust these for the solder. I don't want to be broken down on a highway because a low temp solder joint didn't hold (granted you're supposed to twist the wires too, but still). So I'll solder the wires as I normally would and then use these as a "protective barrier" instead of electrical tape. Then I know I'm getting a good connection and that the connection is being protected by the elements. Anything else, like a lawnmower, I just use these.
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Dec 24, 2022 1:45 PM
493 Comments
Joined Jan 2012
ShiZeroDec 24, 2022 1:45 PM
493 Comments
I don't really see these as the best option for electrical work when you have the time and tools to do it right, but it's a great addition to a toolbox for track days, road trips etc. where things can go wrong away from the usual workspace. Had the great (dis)pleasure of dropping a transmission on the side of our AirBNB during a trip to the Dragon and a sensor wire snapped in the process and one of these and a lighter was all we needed to get my friend home.
1
1
Dec 25, 2022 2:18 AM
39.5K Comments
Joined Nov 2005
Dr. JDec 25, 2022 2:18 AM
39.5K Comments
Basically these are useful for low voltage stuff that needs to be waterproof like trailer or other automotive wiring. You're not using these at home.
Dec 25, 2022 2:21 AM
1.7K Comments
Joined Dec 2007
RackDec 25, 2022 2:21 AM
1.7K Comments
There are places to skimp, junky connectors I would skip.
Dec 25, 2022 2:29 AM
9.3K Comments
Joined May 2015
texstDec 25, 2022 2:29 AM
9.3K Comments
This set off my butt alert
1
Dec 25, 2022 2:31 AM
276 Comments
Joined Feb 2014
branrDec 25, 2022 2:31 AM
276 Comments
Used to use solder splices in the aerospace industry, although I'm sure the ones in the factory were much higher quality. But a good quality solder splice works perfectly fine for low power applications
Dec 25, 2022 3:37 AM
430 Comments
Joined Feb 2012
jedimaster974Dec 25, 2022 3:37 AM
430 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from CheapyDinglebop View quoted comment :
Good for a quick low voltage, low power connection but I sincerely hate these being a go-to for anything higher power (>20W) or current (>2A). The solder ring used is a low-temperature variant for ease of use but if you ever have heat in this connection again it can remelt leaving no mechanical connection between your wires aside from hot polyolefin and hot adhesive. The solder can also wick up the wire further than intended causing the connection to be brittle and easily stressed. Just use crimped connections especially where power, current, vibrations, and/or abrasion meets.
agree, used them on my 3d printer, where wires "move" a bunch and found the solder is cheap and cracks easily, going to have to re-wire and not use these. and by move, i just mean back and forth, not like a hard flex or anything. so as convenient as they are, I can't recommend.
1
Dec 25, 2022 3:53 AM
895 Comments
Joined Aug 2014
Banana_FlyDec 25, 2022 3:53 AM
895 Comments
I've got these from the last deal and all went into garbage, like most of the box. These connectors absolutely do not make a reliable soldered connection, in 95% of all cases they make something that only looks ok but do not hold and do not pass good current. There is nothing worse than to use it for car wiring only to redo failed connections later on. Avoid this junk
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Dec 25, 2022 3:55 AM
170 Comments
Joined Feb 2006
starmanjDec 25, 2022 3:55 AM
170 Comments
This is not a deal. It's usually this price per CCC.

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