OSRAM DULUX F - Manual (Page 77)

Economical long-life light sources with plug-in bases
Compact Fluorescent Lamps OSRAM DULUX ®
Technical Guide
75
B. Information for lamp holder manufacturers
Maximum lamp cap temperature related to the lamp - lampholder interface. (Measuring point 1-old)
The point where the temperature limit is given is the hottest point on the cap surface at a distance x
from the reference plane of the cap, as indicated in table below, in the direction of the glass limbs
(see: Measurement point 1 location on the cap surface, in chapter 4.8.1 Maximum temperatures for
OSRAM DULUX
® lamps, p.72).
Temperature point location:
Lamp
Distance X
mm
DULUX ® S, S/E 8
DULUX ® D, D/E, T, T/E, L, F 12
Temperature point for CFL SQUARE ® lamps
The point where the temperature limit is given is a point on the cap surface, which is equidistant
between the two glass limbs emerging from the cap, and which lies on the straight line that joins the
axes of the glass limbs.
Maximum temperatures related to lampholder design
Lamp
Lamp nominal wattage
W
Maximum cap temperature
°C
DULUX ® S/E, DULUX ® F, DULUX ® L All 140
CFL SQUARE ® 2,4 pin All 110
DULUX ® D, D/E, T, T/E All 140
4.8.2 Maximum electrical safety values for OSRAM DULUX ® lamps as per IEC 61199
Electrical safety data for electronic operation to be observed (normal operation).
SoS max – maximal Sum Of Squares of the pin currents, defines the maximal permanent heating
energy supplied to one electrode.
Id max – maximal permitted lamp current. Exceeding the maximal lamp current can lead to damage
to lamp, lamp cap or lamp holder.
For lamps in high frequency operation, the pre-heat current must not be applied over a period of
more than 10 sec. If a lamp does not start within this period, the current through the electrodes has
to be reduced until the SoS value for the currents through the lead wires at each electrode stays
below the ”Maximum SoS value” as specified in table below. Also at end of lamp life the ballast has
to prevent overheating by suitable measures.