LEDs

Component Light Emitting Diodes (LEDs) of various sizes, shapes, colors, and brightness from many brands, including Cree® LEDs, LED Stars, or Luxeon® LEDs and others. LED Supply is careful to stock a complete range of products in varied outputs, sizes or other specifications, and always at a price advantage to you.

Cree LEDs
Cree XLamp High Power LEDs
Luxeon LEDs
High-Brightness LEDs by Luxeon
5mm LEDs
White, Red, Green, Blue, UV, IR & more
Nichia LEDs
157 Nichia LED Mounted to FR4 Board
Osram Golden Dragon LEDs
850 IR Osram High Power LED
Color High Power LEDs
Red, Amber, Green, Blue, Royal-Blue & more
White High Power LEDs
High Power LEDs Sorted by Color Temperature
Super Bright LEDs
High Power LEDs Sorted by Brightness (Lumens)


General Information on LEDs


 

LED Glossary
LED wattage explained?
LED Star: Coined by LumiLEDs Luxeon with the Luxeon I, III and V LEDs because the LED was re-flowed onto a hexagonal shaped 'star' metal core printed circuit board.

MCPCB: Metal Core Printed Circuit Board. For ease of use, surface mount LEDs are permanently secured 're-flowed' onto a printed circuit board, which is insulated and contains conductive tracks for circuit connections; the printed circuit board is on a metal core heatsink.

Re-Flow LED Soldering: Surface mount LEDs are temporarily combined with a thin mask of solder paste to contact pads on a MCPCB and conveyed through a re-flow oven with controlled heat, melting the solder, and permanently attaching the LEDs.

1-Up or 3-Up Star LED: An LED Star with either 1 or 3 LEDs. The LEDs on the 3-Up star are connected in-series via a zero ohm resistor (jumper).

Lumens: A measurement of the total amount of visible light emitted from a light source.

Forward Voltage: The voltage at which current starts to flow in the normal conducting direction.

HB LED: High-Brightness LED. LEDs with minimum drive currents of 350mA.

COB LED: Chip On Board LED. Also referred to as high-density (HD) LED arrays, where hundreds of die are packed into the light emitting surface (LES).
Wattage is determined by the drive current (in amps) multiplied by the forward voltage at the drive current. Ten years ago when Lumileds released the Luxeon I (350mA) and Luxeon III (700mA), commonly referred to as 1-watt and 3-watt LEDs, the forward voltage were such that the LEDs were approximately 1-watt and 3-watts respectively. However, 2014, the forward voltages of LEDs have decreased enough that 350mA, 700mA and 1000mA drive currents no longer produce the same wattage. For example, a Cree XP-G2 at 1000mA is 3-watts, where the Luxeon III at 700mA would have been approximately 3-watts.
Lumens vs watts?
Now with the increased light output of LEDs comparing incandescant wattage to lumes in important.  Wattage is the amount of energy required to light a bulb, whereas lumens is the amount of light produced.
  • 40-watt incandescent bulb = 450 lumens
  • 60-watt incandescent bulb = 800 lumens
  • 100-watt incandescent bulb = 1600 lumens
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