Purchased these to go along with the Chanzon 10 pcs High Power Led Chip 4W RGBW 8 pins (300mA-350mA for Each Color 4 Watt) Multicolor Super Bright Intensity SMD COB Light Emitter Components Diode 4 W Bulb Lamp Beads DIY Lighting. Mounted the chips with a dab of thermal compound (I used Arctic Silver Céramique), and everything works as expected. They shipped in a single sheet still attached, so you can use part of the sheet as an array and keep them attached, or just bend them back and forth a couple times to snap one off and use singly. My only complaint, if you can call it that, is that these come in sets of 25 while the LEDs come in sets of 10, so unless you buy 5 x 10 LEDs and 2 x 25 Heat sinks you end up with extras. Would be nice if Chanzon matched up the quantities a little better, but for the price, you still can't beat it (and like me, you will probably end up coming back for more anyway, so hang on to those extras!)
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This item: Chanzon 25pcs 1W 3W 5W LED Heat Sink (2 pin Black) Aluminum Base Plate Panel PCB Circuit Board Substrate 20mm Star DIY Heat Sink Cooling for COB High Power LED Chips Lamp Beads 1/3/5 Watt
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$7.99 ($22.83/Ounce)
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$13.99 ($1.40/Count)
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Must use with the 3W LED Cips
My original grow light was constructed without these mounting plates and the LEDs failed after about 100 - 150 hours. Without the plates the chips will start to draw excessive current and eventually burn up. I mounted 4 plates to a sheet of aluminum using ArcticAluminum thermal epoxy then installed the LEDs. It was a simple matter to wire the plates together with buss wire. I stuck some captan insulating tape under the wires just in case. With the LEDs on the plate the temp is around 28C just warm to the touch.
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Rafa
Hacen su función.
Reviewed in Spain on September 23, 2023
Color: 2 pins (White)Verified Purchase
APrimeBuyer
GOOD ITEM
Reviewed in the United Kingdom on February 26, 2022
Color: 2 pins (Black)Verified Purchase
Clive G Wilson
as you move to higher powered devices, you need heat sinking...otherwise the LED blows
Reviewed in the United Kingdom on December 23, 2020
Color: 2 pins (White)Verified Purchase
