CFL Bulbs

CFLs (Compact Fluorescent Lamps) are energy-saving bulbs consisting of a fluorescent tube that has been made into a shape the same size as a traditional incandescent light bulb.

How does a CFL work?

CFL Bulbs contain gases that are given an electric current, generating UV light which then excites the gasses. A phosphorous layer is then produced on the inside which glows, giving off light. There is very little heating involved.

What shape are CFLs?

Compact fluorescent light bulbs come in various shapes, such as:

  • Candle bulbs represent the shape of a flame, with a pointed tip, and are often used in decorative fixtures, especially slimmer designs that can't accommodate a globe or spiral bulb.
  • Globe bulbs are spherical shaped and are often used in vanity mirrors and bathroom pendants. They may take longer to reach full brightness but will become as bright as other CFLs.
  • Spiral bulbs have a fluorescent tube that is shaped into a spiral curve. This is the most common CFL bulb shape, producing the same amount of light as an incandescent bulb.
  • Stick or tube bulbs usually consist of multiple tubes which are straight. Like candle bulbs, they are commonly used in slimmer lighting fixtures.

What colour are CFL bulbs?

CFL light bulbs come in many variations of white. They are most commonly classed as "Cool White" or "Warm White", which describes the colour temperature of the light that the bulb emits. Colour temperature is a measurement of the light output, given in Kelvin (K). The higher the value, the cooler the white. For example, 5000K would be cool white lighting.

CFL Bases:

The base of the bulb depicts what fitting it pairs with. CFL lamps usually have a push and twist bayonet or Edison screw base, both of which are available in various sizes.

Why choose a CFL bulb?

Fluorescent bulbs are designed to be more energy-efficient than incandescent or halogen bulbs. They have a very low energy consumption which also saves money on electricity bills, over time. CFL bulbs have a much longer lifetime too, of up to approximately 10 years. The lifetime of the light bulb will be stated in hours.

What is CFL Equivalent Wattage?

Although CFLs do not use the same technology as incandescent bulbs, they are often given a comparable wattage value, providing an easy comparison to the equivalent wattage.


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Description Prix Shape Wattage Lamp Base Length Colour Temperature Incandescent Equivalent Wattage Colour Tone Colour Rendering Colour Reference Diameter Number of loops Luminosity Life Hours EU Energy Efficiency Rating
N° de stock RS 792-6814
Référence fabricant4050300025742
MarqueOsram
3,74 €
Each
Unité
Quad Tube 9 W G23 167 mm 3000K - Warm White 89 830 27mm 2 600 lm 10000h A
N° de stock RS 711-7196
Référence fabricant25000
MarqueSylvania
11,193 €
Each (In a Pack of 10)
Unité
2D 28 W GR10q 207 mm 4000K - Cool White 82 840 205mm 1 2050 lm 10000h A
N° de stock RS 792-6823
Référence fabricant4050300010793
MarqueOsram
6,66 €
Each
Unité
Quad Tube 36 W 2G11 411 mm 3000K - Warm White 89 830 17.5mm 2 2900 lm 20000h A
N° de stock RS 792-6798
Référence fabricant4050300025711
MarqueOsram
2,98 €
Each
Unité
Quad Tube 26 W G24d-3 172 mm 3000K - Warm White 89 830 27mm 2 1800 lm 10000h A
N° de stock RS 711-7287
Référence fabricant25925
MarqueSylvania
5,598 €
Each (In a Pack of 10)
Unité
Stick 13 W G24q-1 118 mm 4000K - Cool White 82 840 28mm 1 900 lm 10000h A
N° de stock RS 792-6763
Référence fabricant4050300342047
MarqueOsram
8,20 €
Each
Unité
Triple Tube 26 W GX24d 139 mm 4000K - Cool White 89 840 49mm 2 1800 lm 10000h A
N° de stock RS 570-688
Référence fabricant9PLS8274PINB
6,17 €
Each
Unité
Twin Tube 9 W 2G7 151 mm 2700K 60W Warm White 82 827 28mm 1 600 lm 13000h A
N° de stock RS 792-6817
Référence fabricant4050300025759
MarqueOsram
3,67 €
Each
Unité
Quad Tube 11 W G23 237 mm 3000K - Warm White 89 830 27mm 2 900 lm 10000h A
N° de stock RS 662-1436
Référence fabricant927939383540
12,783 €
Each (In a Pack of 10)
Unité
2D 28 W GR10q 207 mm 3500K 28W Warm White 82 835 205mm 1 2050 lm 12000h A
N° de stock RS 702-5422
Référence fabricant38PLQ8404PIN
14,405 €
Each (In a Pack of 10)
Unité
2D 38 W GR10q 207 mm 4000K 38W Cool White 82 840 205mm 1 2850 lm 12000h B
N° de stock RS 407-5676
Référence fabricant18PLC8404PIN
6,65 €
Each
Unité
Quad Tube 18 W G24q-2 143 mm 4000K 100W Cool White 82 840 27mm 2 1200 lm 13000h A
N° de stock RS 463-5903
Référence fabricantDL2484
MarqueOsram
5,854 €
Each (In a Pack of 10)
Unité
Twin Tube 24 W 2G11 320 mm 4000K 150W Cool White 80 840 38mm 1 1800 lm 10000h A
N° de stock RS 472-7995
Référence fabricantDD2684
MarqueOsram
3,978 €
Each (In a Pack of 10)
Unité
Quad Tube 26 W G24d-3 172 mm 4000K 150W Cool White 80 840 27mm 2 1800 lm 10000h A
N° de stock RS 407-5632
Référence fabricant18PLC8402PIN
6,65 €
Each
Unité
Quad Tube 18 W G24d-2 150 mm 4000K 100W Cool White 82 840 27mm 2 1200 lm 10000h B
N° de stock RS 669-2933
Référence fabricant4050300010618
MarqueOsram
4,73 €
Each
Unité
Twin Tube 11 W G23 237 mm 4000K 60W Cool White 80 840 27mm 1 900 lm 10000h A
N° de stock RS 472-7973
Référence fabricant010625
MarqueOsram
3,978 €
Each (In a Pack of 10)
Unité
Quad Tube 13 W G24d-1 138 mm 4000K 75W Cool White 80 840 27mm 2 900 lm 10000h A
N° de stock RS 792-6827
Référence fabricant4050300279909
MarqueOsram
6,76 €
Each
Unité
Quad Tube 40 W 2G11 533 mm 4000K - Cool White 89 840 18mm 2 3500 lm 20000h A+
N° de stock RS 669-2939
Référence fabricant4050300006017
MarqueOsram
4,73 €
Each
Unité
Twin Tube 11 W G23 237 mm 2700K 60W Extra Warm White 80 827 27mm 1 900 lm 5000h A
N° de stock RS 407-5698
Référence fabricant26PLC8404PIN
6,52 €
Each
Unité
Quad Tube 26 W G24q-3 164 mm 4000K 150W Cool White 82 840 27mm 2 1800 lm 13000h A
N° de stock RS 463-5880
Référence fabricantDDE262
MarqueOsram
3,90 €
Each (In a Pack of 10)
Unité
Quad Tube 26 W G24q-3 165 mm 2700K 150W Extra Warm White 80 827 27mm 2 1800 lm 20000h A