OSRAM DULUX F - Manual (Page 7)

Economical long-life light sources with plug-in bases
Compact Fluorescent Lamps OSRAM DULUX ®
Technical Guide
5
1 General
1.1 Introduction
The first compact fluorescent lamps (CFLs) appeared on the European market in the early 1980s.
Ever since, they have had a significant and lasting effect on light fitting design and lighting applica-
tions. Today, CFLs are available in an extremely wide range of models.
They can be divided into two main groups:
lamps with pin bases and
lamps with screw bases
Lamps with E27 or E14 screw bases and integrated control gear (electronic or conventional) are
available in wattages from 3 to 30 W. They constitute a separate family of lamps.
Examples are the OSRAM DULUX ® EL and CIRCOLUX ® EL lamps. These ranges are intended as
direct replacements for ordinary incandescent light bulbs. For detailed technical information on
these lamps, please refer to the brochure titled „OSRAM DULUX
® EL Electronic Energy-Saving
Lamps – Facts and Technical Data“.
This present guide, however, takes a detailed look at lamps with pin bases.
OSRAM’s compact fluorescent lamps with pin bases marketed under the OSRAM DULUX ® brand
name are available in wattages from 7 to 80 W with luminous flux values of 405 to 6000 lm. This
range of values covers a broad spectrum of lamps, including incandescent, fluorescent and HID
lamps, with a wide variety of applications.
Lamps with pin bases have a history of constant development, from the single-turn OSRAM
DULUX
® S models to the latest OSRAM DULUX ® L 80 W with CONSTANT Amalgam technology and
the DULUX ® HE High Efficiency lamp range with up to 100lm/W efficiency. The development of
different shapes and wattages has led to various types of light fittings for both, indoor and outdoor
lighting. The list includes recessed and surface-mounted light fittings for shops and offices, floor-
standing lights, indirect light fittings, workplace and desktop lighting, security lighting, pictogram
illumination, street lighting, solar light fittings and downlights.
For downlights in particular, pin-based lamps have been instrumental in determining their design, as
each successive round of development has produced increasingly shorter lamps of greater light
output.
Compact fluorescent lamps from OSRAM, which offer impressive savings thanks to a luminous
efficacy of up to 100 lm/W and a lamp life of up to 20 000 or 36 000 hours for long life range (XT) on
ECG operation, are available not only in a wide range of types but also in different light colours.
These light colours are classified in colour rendering groups 1B (Ra 80 to 89) and 1A (Ra 90 to 100).
The range also includes various models for special applications in medicine, cosmetics and tech-
nology.
The following sections present the range of pin-based lamps, their properties, the necessary acces-
sories accompanied by notes on light fitting design, lamp applications and measurement.