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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제품설명 단가 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
RS 제품 번호 407-5597
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RS 제품 번호 570-694
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RS 제품 번호 570-650
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제조사Philips Lighting
₩6,737.85
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Twin Tube 11 W G23 236 mm 2700K 75W Warm White 82 827 28mm 1 900 lm 10000h A
RS 제품 번호 407-5604
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제조사Philips Lighting
₩6,981.20
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Twin Tube 11 W G23 236 mm 4000K 75W Cool White 82 840 28mm 1 900 lm 10000h A
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제조사Philips Lighting
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제조사Philips Lighting
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2D 18 W G24q-2 143 mm 2700K 100W Warm White 82 827 27mm 2 1200 lm 13000h A
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제조사Philips Lighting
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2D 18 W G24d-2 150 mm 2700K 100W Warm White 82 827 27mm 2 1200 lm 10000h B
RS 제품 번호 702-5302
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제조사Philips Lighting
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Twin Tube 9 W G23 167 mm 3000K 60W Warm White 82 830 28mm 1 600 lm 10000h A
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Twin Tube 18 W 2G11 227 mm 3000K 100W Warm White 82 830 38mm 1 1200 lm 20000h A
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제조사 부품 번호13PLC8402PIN
제조사Philips Lighting
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Quad Tube 13 W G24d-1 138 mm 4000K 75W Cool White 82 840 27mm 2 900 lm 10000h A
RS 제품 번호 570-593
제조사 부품 번호24PLL840
제조사Philips Lighting
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Twin Tube 24 W 2G11 322 mm 4000K 150W Cool White 82 840 38mm 1 1800 lm 20000h A
RS 제품 번호 662-1439
제조사 부품 번호927939183540
제조사Philips Lighting
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2D 16 W GR10q 141 mm 3500K 16W Warm White 82 835 138mm 1 1050 lm 12000h A
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Twin Tube 36 W 2G11 417 mm 4000K 240W Cool White 82 840 38mm 1 2900 lm 20000h A
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2D 16 W GR8 141 mm 2700K 16W Warm White 82 827 138mm 1 1050 lm 10000h B
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Quad Tube 18 W G24d-2 150 mm 4000K 100W Cool White 82 840 27mm 2 1200 lm 10000h B
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Twin Tube 18 W 2G11 227 mm 4000K 100W Cool White 82 840 38mm 1 1200 lm 20000h A
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제조사Philips Lighting
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2D 28 W GR10q 207 mm 3500K 28W Warm White 82 835 205mm 1 2050 lm 12000h A
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Quad Tube 10 W G24d-1 116 mm 4000K 60W Cool White 82 840 27mm 2 600 lm 10000h B