SMD LED

Surface-mounted device light

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Comparison of SMD LED modules used on an LED strip light

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The light from white LED lamps and LED strip lights is usually provided by industry standard surface-mounted device LEDs (SMD LEDs).[2] Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB).

Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may have three individual LEDs within that package, one each of red, green and blue, to allow many colors or shades of white to be selected, by varying the brightness of the individual LEDs. LED brightness may be increased by using a higher driving current, at the cost of reducing the device's lifespan.

SMD LED

(module)

Image Dimensions
(mm × mm) V mA Power
watt) Flux
lumen) CRI

(Ra)

Intensity
candela) Beam angle
degree) Heatsink Efficacy (min)

(lm/W)

Efficacy (max)

(lm/W)

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Colors per
SMD package 8.5 × 2.0 0.5 & 1 55&#;60 80 110 120 Monochrome 7.0 × 2.0 0.5 & 1 40&#;55 75&#;85 80 110 Monochrome 7.0 × 1.4 0.5 & 1 35&#;50 70&#;80 70 100 Monochrome 5.7 × 3.6 0.5 40&#;55 80 15&#;18 120 no 80 110 5.7 × 3.3 0.5 35&#;50 80 15&#;18 120 no 70 100 5.7 × 3.0 0.5 30&#;45 75 15&#;18 120 no 60 90 5.6 × 3.0 0.5 30&#;45 70 18.4 120 no 60 90 5.0 × 6.0 0.2 26 no 130 Monochrome or RGB 5.0 × 5.0 0.2 24 no 120 Monochrome or RGB 4.0 × 1.4 0.2 22&#;32 75&#;85 110 160 3.5 × 3.5 0.5 35&#;42 75&#;80 70 84 3.5 × 2.8 0.06&#;0.08 4&#;8 60&#;70 3 120 no 70 100 3.0 × 3.0 0.9 110&#;120 120 130 3.0 × 2.0 0.06 5.4 2.5 120 no 80 90 3.0 × 1.4 0.1 9&#;12 75&#;85 2.1&#;3.5 120 yes 90 120 2.8 × 3.5 0.2 14&#;25 75&#;85 8.4&#;9.1 120 yes 70 125 1.6 × 1.6 1.2 × 0.6 3&#;6 55&#;60 1.1 × 0.4

References

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SMD LED lighting strips have been around for many years, they are tried and tested through time and have come on hugely in the last few years. Generally SMD LED strip are available in 30 LEDs per metre, 60 LEDs per metre, 120 LEDs per metre and 180 LEDs per metre. The higher the density of LEDs per metre, the less of the &#;dotting&#; effect you can sometimes see. This can be compensated for by using an LED diffuser, which will blend the dotting with out reducing the light output. If the LED strip cannot directly be seen, only the light emitted, an SMD LED strip will be ideal.

COB Chip On Board LED Strip Lights

The COB LED strip lights have gained a lot of traction recently. Professional installers and homeowners alike, are keen on achieving the &#;dotless&#; effect when planning their LED lighting requirements. Chip On Board reffers to the method of manufacture used to create this specific type of LED strip. Rather that having traditional resistors mounted to the PCB (Printed Circuit Board), this is all combined, hence the name chip on board. This means manufacturers can now produce LED strips with a much higher density of LEDs per metre than that of the SMD LED strips. Our white COB LED strips have 480 LEDs per metre, giving a completely dotless effect when looking directly at the LED strip. Our RGBW COB LED strips have 896 LEDs per metre.

COB LED strips are usually available in the same wattage per metre as their SMD counter parts. We offer our white COB LED strip at 10 watts per metre. This fits in nicely with our current range of LED strip on offer and can be used for task lighting or ambient lighting. As with all of our LED strip, the COB strip are all dimmable via PWM (Pulse Width Modulation). Our white COB LED strips can be dimmed both from the mains supply into the LED driver, and on the low voltage side after the LED driver. Our RGBW COB LED strips can only be dimmed on the low voltage side using one of our controls. This is because the control will dim the individual colours as required rather than the whole LED strip.

For more information, please visit SMD LED strip light.