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Your cart is empty. Quantity: 10pieces / Pack
Power:3Watt
Emitting Color: Ultraviolet (UV )
Recommended Current: 700mA
Forward Voltage: 3.2-3.6V
Luminous Flux: No
Emitting Angle: 120-140 degree
With Double Golden Wire (99.99%) and Copper Frame
Kindly Reminder:
Constant current LED drivers are recommended for high power COB LEDs. Working temperature should be less than 60 Degrees Celsius / (140 Fahrenheit) with a Heat Sink System.
Please refer to the positive (anode +) and negative (cathode -) sign on Leds.
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Reviewed in the United States on August 2, 2024
Review for: 10pcs 3W UV Purple LED Ultraviolet Bulbs Lamp Chips 365nm 375nm 385nm 395nm 405nm 420nm 3W High Power Light (3W 365NM with 20MM PCB) - Also purchased 395nmThese UV lights appear to be just what they say they are. All that I have used power up just fine. I am not using them at full power, not enough to need a heat sink. Still get a good amount of light from the LEDs. As another person has said, you will need a filter if you want to use the 365nm LEDs, otherwise you will see white light. I found that filters are more expensive than the LEDs are! Shopping around for other sources, I have some on order from the other side of this planet.
RMK
Reviewed in the United States on July 15, 2024
Nice if it had a spec sheet includedVoltage, current, sample schematic..They do work well
TC
Reviewed in the United States on June 26, 2024
Great way for a tinkerer to get ahold of the good blacklight wavelengths. 395nm is your typical decent blacklight: The minimum acceptable ratio of fluorescence with visible purple. As the wavelengths get shorter, you get less purple and more glow! 365nm is the ultimate wavelength for glow, but it is so good that it causes its housing to fluoresce and emit white light! You need a Wood's Glass (UV pass) filter to clean it up and have the best blacklight around. This is just how 365nm LEDs are, and why I like playing with 375-385nm.I've bought a few wavelengths and they have all worked well hooked up to a proper current-limited power supply. They seem to match the specified wavelength, but I don't have a tester. Be sure to slap a heat sink on them if you want to drive them full power. They do get hot fairly quickly.
Phillip
Reviewed in the United States on June 2, 2024
Vary goodSeems to be right wavelengthDoes get hot fast
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