|Package Dimensions||18.01 x 11.99 x 5 cm; 222 Grams|
|Is Discontinued By Manufacturer||No|
|Number of Lights||10|
|Item Weight||222 g|
HKBAYI 50Pair/50sets 3 pin JST SM Male Female Plug LED Connector Cable for WS2812B WS2812 WS2811 LED Strip Lamp with 15cm Long Wire
- 3 pin JST SM Male Female plug LED Connector Cable For WS2812B WS2812 WS2811 LED Strip Lamp
- Used for: LED Light Strip
- No need soldering
- Please check the colors of the wires and their respective polarities before connecting to your device(s).
- With this item you can connect your 3528 5050 LED Stripe as your wish.
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Features: 100% Brand new and high quality 3pin connector cable Connect method: Male & Female ends push in Material:PVC plastic Length:15cm approx(Single 3PIN connector) Core: 0.3mm (Single cable) Color: as picture shown Usage:No need soldering connector Strip connector:for WS2812B WS2812 WS2811 LED Strip Usage :Led lamp driver or led strip connector Working Temperature: -20~60 Storage Temperature :-30~95 Description: This 3PIN connector for LED strips, LED wall-washers, LED underground light,, LED belt light, curtain light, twinkle light and so on. Connect reliable . Suitable for dust, water, high sensing performance requirements of the electrical system, the modified HID xenon lamp and dust-proof, waterproof, high pressure, two on the plug connection is reliable and safe, no loose, lightweight and beautiful appearance. Package include: 50pair 3pin connectors
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Another plus: all the wires are consistently color-coded.
The wires are tinned, stranded copper, and have "22AWG" printed on the insulation (matching the description). However, the wire cross-sectional area is a lot less than 22 AWG. I'd estimate it's closer to 26 AWG. I don't have the equipment to measure the wire resistance, so I did side-by-side visual comparisons between this wire and other wire from varying vendors. All comparisons were with the insulating jackets stripped. This wire seemed to be about the same thickness as stranded 26 AWG. It was thinner than stranded 24 AWG from a different vendor than in the first comparison. It was even thinner than solid 24 AWG salvaged from a Cat5 cable, proving that this wire is thinner than 22 AWG. The Wikipedia article on AWG states: "The AWG of a stranded wire is determined by the cross-sectional area of the equivalent solid conductor. Because there are also small gaps between the strands, a stranded wire will always have a slightly larger overall diameter than a solid wire with the same AWG." That means stranded 22 AWG should be thicker than solid 24 AWG for two reasons: the cross-sectional area is greater, and because there gaps between the strands. Since this stranded wire is thinner than solid 24 AWG, it's clearly thinner than 22 AWG.
One of the pigtails was missing a wire. An estimated 3-6 wires didn't have their female contact pushed all the way into the connector.
The most damning thing about this product is that it failed the "pull test." A properly crimped wire will hold up to a firm tug. With these wires, it just takes a light tug to pull the wire out of the crimp. This means they are weak (they won't hold up in the field), and the electrical resistance is higher than it should be. (The improper crimp could have been due to tooling for 22 AWG thicker wires, but putting thinner 26 AWG wires into the contacts.)
Overall, I'm disappointed, because I wanted to put up to 3 amps through these (specified maximum of the JST SM connectors), but I can't without worrying about whether I'll start a fire. The safe level of current-carrying is hampered by the overrated wire gauge and the inferior crimps. This increases overall resistance, which can result in excessive voltage drop and overheating.
I ended up just buying a cheap set of crimpers and connectors and used my own 22AWG stranded hookup wire. The results were night and day. My own crimped connectors measured around 32 milliohms. Now I have ~40 pairs of junk cables that will probably just end up in the trash.
I would definitely not recommend these connectors. If you're using 5V LEDs, the voltage drop across even one connection is problematic. And that's not even mentioning the fact that you'll be consuming a fair bit of current just heating up these cables.
TL;DR - These cables are made with cheap wire that has high resistance. Use at your own risk.