DS7840 OSRAM, DS7840 Datasheet - Page 34

• Manufacturer Part Number: DS7840
• Description: LAMP, DULUX, S, COOL, 7W
• Manufacturer: OSRAM

Specifications of DS7840

• Supply Voltage: 47V
• Base Type: 2 Pin
• Power Rating: 7W
• Luminous Flux: 400lm
• Length: 137mm
• Colour Temperature Typ: 4000K
• Svhc: No SVHC (15-Dec-2010)
• External Depth: 19.5mm
• External Diameter: 19.5mm
• External: RoHS Compliant
• Lamp Base Type: 2 Pin
• Rohs Compliant: Yes
• Average Bulb Life: 8000h
• Bulb Diameter: 19.5mm

Economical long-life light sources with plug-in bases.
Compact Fluorescent Lamps OSRAM DULUX
Technical Guide
2.4.3 Mortality curves of
OSRAM DULUX
lamps
®
Typical mortality curve for CCG operation
Typical mortality curve for ECG operation
The curves shown here are the result of a large number of investigations under controlled and constant
laboratory conditions. In actual practice, individual lamps or groups of lamps may deviate from these
values.
A 3-hour switching cycle is used (165 minutes on / 5 minutes off).
The initial value for luminous flux corresponds to the 100 h value.
OSRAM DULUX
on ECGs.
®
L 40, 55 and 80 W and OSRAM DULUX
100
100
®
90
80
70
60
50
40
90
80
70
60
50
40
%
%
2000
2000
Hours burned (h)
Hours burned (h)
4000
4000
®
T/E and T/E IN 32 to 70 W may only be operated
6000
6000
8000
8000
10000
10000
2. Lamp data
12000
33