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Tungsten Halogen Lamps

Tungsten halogen lamps, their specifications and comparison with incandescent bulbs; Advantages of tungsten halogen lamps; EU directives.

halogen bulb E14 An incandescent bulb can easily be replaced by a halogen bulb. To enable such a replacement, halogen bulbs are manufactured with E14 and E27 sockets, which have usual shapes. The difference from a conventional incandescent bulb is obvious at first sight – a tungsten filament inside the bulb is replaced by a halogen lamp.

Advantages of tungsten halogen lamps as compared with incandescent bulbs:
- similar dimensions and shapes
- 30% energy saving
- lifetime of 2,000 hours
- operation without current transformer
- dimming option

Disadvantages:
- higher purchase price

A Table comparing conventional and halogen bulbs – 2009
ModelWVlmdlEnergy labeltCtRa
Osram Classic B E14/25W2523021035100E10002800100
Osram Halogen Classic B Eco E14/25W1823017035104D20002800100
Philips Standard 40W E144023041035100E10002800100
Philips EcoClassic30 E14282303403598D20002900100
Philips MASTERClassic 20W E14202303703598B30002900100
Legend: W – consuption in Watts, V – Voltage, Im – luminous flux in lumens, d - diameter in milimeters, l - lenght in milimeters, t – lamp life in hours, Ct - Colour temperature in Kelvins, Ra - Colour rendering index, EU Energy label - energy efficiency classes


G9 tungsten halogen lamp

halogen lamp G9 Advantages:
- 18% energy saving
- lifetime of 2,000 hours
- operation without current transformer
- dimmable option

A table providing specifications of G9 halogen bulbs – 2009
ModelWVlmdlEnergy labeltCtRa
Philips EcoHalo MV Caps 28W G9282303401343D20002770100
Legend: W – consuption in Watts, V – Voltage, Im – luminous flux in lumens, d - diameter in milimeters, l - lenght in milimeters, t – lamp life in hours,Ct - Colour temperature in Kelvins, Ra - Colour rendering index, EU Energy label - energy efficiency classes


Proscription of sale of bulbs
According to EU regulation no. 2005/32/ES it is prohibited to sell or newly launch bulbs which are not energetically economical. The intention of the regulation is to ban, by 2016, all sources of light for households whose energy efficiency, as stated on the energy consumption label, is other than class A. The ban shall not be imposed on halogen lamps with G9 and R7 screw caps whose energy efficiency on the consumption label reads C.

The commission shall review this regulation in light of technological progress no later than five years after it comes into being, and it shall present the results of such a review to the Consultation Forum.

Table – Incandescent bulbs and tungsten halogen lamps which fall under the ban on manufacturing – commencement of the ban
The ban comes into force
Socket09/200909/201009/201109/201209/201309/201409/201509/2016
E27 clear≥100 W75 W60 WCB
E27 frostedmanufacturing stopped
E14 clear--60 WCB
E14 frosted--manufacturing stopped
G9, R7s clear> 950 lm> 725 lm> 450 lm> 60 lmD and E
G9, R7s frostedmanufacturing stopped
Legend: W - Watts, lm - luminous flux in lumens, EU Energy label - energy efficiency classes, Stage 1: September 2009, Stage 2: September 2010, Stage 3: September 2011, Stage 4: September 2012, Stage 5: September 2013, Stage 6: September 2016.

*Note: The manufacturing of 40W incandescent bulbs with an E14 socket and energy efficiency class E, which are most frequently used in our crystal chandeliers, will be brought to an end as of 1 September 2012. It is already possible to buy substitute bulbs for the mentioned types, such as Philips MASTERClassic 20W E 14 with energy efficiency class B.

What specifications of the bulb should be found on the cover?
- Nominal life time of the lamp, in hours
- Number of switching cycles before premature lamp failure
- Colour temperature in Kelvin
- Warm-up time up to 60% of the full light output (may be indicated as ‘instant full light’ if less than 1 second)
- A warning in case the bulb cannot be dimmed at all or only on particulars dimmers
- If designed for optimal use in non-standard conditions, such as ambient temperature Ta ≠ 25 °C, information about those conditions
- Lamp dimensions in millimeters (length and diameter)
- If equivalence with an incandescent lamp is claimed on the packaging, the claimed equivalent incandescent lamp
power (rounded to 1 W) shall be that corresponding in the following table to the luminous flux of the lamp contained in the packaging.

A table – equivalent of incandescent lamp power and luminous flux
Rated lamp luminous flux
Φ [lm]
Claimed equivalent incandescent
lamp power
Compact fluorescent
light bulb (CFL)
HalogenLED and other lamps[W]
12511913615
22921724925
43241047040
74170280660
9709201 05575
1 3981 3261 521100
2 2532 1372 452150
3 1723 0093 452200
Source: Official Journal of the European Union, COMMISSION REGULATION (EC) No 244/2009 of 18 March 2009

- The term ‘energy saving lamp’ or any similar product related promotional statement about lamp efficacy may
only be used if the lamp complies with the efficacy requirements applicable to non-clear lamps in Stage 1 (1 September 2009)

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