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Halogen Bulbs

A halogen bulb is an electric light that falls into the family of incandescent lamps. Incandescent light bulbs typically made up of an airtight enclosure (usually heat resistant glass) containing a tungsten filament and a mixture of inert and halogen gasses.


How do halogens work?


When an electrical current flows through the tungsten filament in a bulb, it burns so hotly that it glows white producing light. Now ordinarily, if this process was conducted outside of the air-tight enclosure, exposed to oxygen the filament would burn out before it got to that temperature. Halogen bulbs work purely because the mixture of gasses inside the glass protects the filament preventing it from burning out quickly.


As the traditional GLS incandescent bulbs are being phased out, halogen light bulbs are the closest equivalent available that produces a similar light output. Although halogen bulbs use 20-30% less energy than their incandescent counterparts, they are still considered the least energy efficient bulb compared similar bulbs.


Advantages


As we mentioned before halogen bulbs are the least energy efficient of the energy saving bulbs. Despite this, they still have some advantages.


  • Halogen bulbs are the cheapest, but not the most energy efficient energy saving bulb.

  • Halogens reach full brightness as soon as they are switched on. No waiting for warming up as you would with some compact fluorescents.

  • Halogen bulbs are dimmable if used with suitable switches, unlike some LED and CFL lighting.

  • Halogen bulbs generally have a high CRI (colour rendering Index) score. Making them the ideal for colour critical applications.

Disadvantages


Even though halogen lamps are good for some applications, there are some downsides.


  • Care must be taken when changing or handling halogen bulbs. If any grease or grime from fingertips makes contact with the glass it can leave a residue. The deposits can cause uneven heating while the bulb is in use, shortening the life expectancy.

  • Halogen bulbs have a much shorter life expectancy compared to other energy saving bulbs. In typical conditions, the life expectancy of a halogen would be around 2,000 hours. With LED bulbs you would expect to see 25,000 hours and CFL’s around 10,000.

  • Higher wattages being phased out.

Types


Halogen lamps come in a variety of bases in both Bayonet cap and Edison screw. Ranging from BA15 to B22 for Bayonets and SES to E27 for screw types. Lamps are also available in different wattages, shapes, and luminosities.

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Part Details Brand Stock Wattage Lamp Shape Lamp Base Voltage Rating Incandescent Equivalent Wattage Life Hours Length Diameter Luminosity Current Rating EU Energy Efficiency Rating Series
GE 15 W Clear Halogen Bulb SES / E14, Pygmy, 240 V, 28mm
  • RS Stock No. 233-673
  • Brand GE
  • Mfr. Part No. 15P1/CL/SES
GE 490 15 W Pygmy SES / E14 240 V - 1000h 60 mm 28mm - - E -
Sylvania 42 W Halogen Bulb ES / E27, 240 V, 55mm Sylvania 170 42 W Bulb ES / E27 240 V 55W 2000 97 mm 55mm - - D -
Osram HALOGEN PRO CLASSIC 30 W Clear Halogen Bulb BC / B22d, Candle, 240 V, 45mm Osram 142 30 W Candle BC / B22d 240 V 40W 2000h 72.5 mm 45mm - - D HALOGEN PRO CLASSIC
Philips 70 W Clear Halogen Bulb BC / B22d, 240 V, 56mm Philips 105 70 W Bulb BC / B22d 240 V 92W 2000h 95.5 mm 56mm 1200 lm 290 mA - -
GE 30 W Clear Halogen Bulb ES / E27, Globe, 240 V, 45mm
  • RS Stock No. 803-4042
  • Brand GE
  • Mfr. Part No. 98377
GE 84 30 W Globe ES / E27 240 V 40W 2000h 78 mm 45mm - - D -
Osram HALOGEN PRO CLASSIC 46 W Halogen Bulb SES / E14, 45mm Osram 76 46 W Bulb SES / E14 - - 2000h 80 mm 45mm - - D HALOGEN PRO CLASSIC
Philips 28 W Clear Halogen Bulb BC / B22d, 240 V, 56mm Philips 75 28 W Bulb BC / B22d 240 V 35W 2000h 95.5 mm 56mm 370 lm 120 mA - -
RS PRO 20 W Halogen Bulb BA15s, 12 V RS Pro 66 20 W - BA15s 12 V - - 305 mm - - - - -
Sylvania 70 W Clear Halogen Bulb BC / B22d, GLS, 240 V, 55.8mm Sylvania 60 70 W GLS BC / B22d 240 V 92W 2000h 98.5 mm 55.8mm - - D -
Sylvania 70 W Clear Halogen Bulb ES / E27, GLS, 240 V, 55.8mm Sylvania 60 70 W GLS ES / E27 240 V 92W 2000h 100 mm 55.8mm - - D -
Osram HALOGEN PRO CLASSIC 30 W Clear Halogen Bulb BC / B22d, 240 V, 55mm Osram 51 30 W Bulb BC / B22d 240 V 40W 2000h 93 mm 55mm 405 lm - D HALOGEN PRO CLASSIC
Philips 42 W Clear Halogen Bulb ES / E27, 240 V, 46mm Philips 45 42 W Bulb ES / E27 240 V 55W 2000h 74 mm 46mm 630 lm 180 mA - -
Sylvania 28 W Clear Halogen Bulb BC / B22d, Globe, 240 V, 46mm Sylvania 45 28 W Globe BC / B22d 240 V 35W 2000h 72.5 mm 46mm - - D -
Sylvania 42 W Clear Halogen Bulb ES / E27, Globe, 240 V, 46mm Sylvania 44 42 W Globe ES / E27 240 V 53W 2000h 74 mm 46mm - - D -
GE 30 W Clear Halogen Bulb ES / E27, 240 V, 50mm
  • RS Stock No. 789-8107
  • Brand GE
  • Mfr. Part No. 98365
GE 34 30 W Bulb ES / E27 240 V 40W 2000h 89.5 mm 50mm - - D -
Osram HALOGEN PRO CLASSIC 77 W Clear Halogen Bulb BC / B22d, 240 V, 55mm Osram 34 77 W Bulb BC / B22d 240 V 100W 2000h 93 mm 55mm 1320 lm - D HALOGEN PRO CLASSIC
Osram 20 W Halogen Bulb GU5.3, 12 V, 51mm Osram 32 20 W Bulb GU5.3 12 V - 3000h 46 mm 51mm - - B -
Orbitec 42 W Halogen Bulb BC / B22d, 240 V, 55mm Orbitec 27 42 W Bulb BC / B22d 240 V 60W - 97 mm 55mm - - D -
Osram HALOGEN PRO CLASSIC 46 W Halogen Bulb ES / E27, Candle, 240 V, 45mm Osram 21 46 W Candle ES / E27 240 V - 2000h 74 mm 45mm - - D HALOGEN PRO CLASSIC
Osram 50 W Halogen Bulb GU5.3, 12 V, 51mm Osram 15 50 W Bulb GU5.3 12 V - 4000h 46 mm 51mm - - B -
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