DL2482 datasheet(60/82 Pages) OSRAM

60 / 82 page

Economical long-life light sources with plug-in bases.

Compact Fluorescent Lamps OSRAM DULUX®

Technical Guide

The Id „1-pin“ and Id „2-pin“ lines in the diagram show the discharge current for the two

limiting cases.

1. The discharge current of the lamp is fed only via one lead wire

2. The discharge current of the lamp is fed equally via the two lead wires

The intersection of the curve with the line Id „1-pin“ with I

Pin 1 + I

Pin 2

min (= minimum)

gives the value of the minimum discharge current below which heating must be

provided.

The optimum dimming operation would be along the target line. If there are any devia-

tions toward smaller values for I

Pin 1 + I

Pin 2 the life of the lamp will be significantly

reduced. If I

Pin 1 + I

Pin 2 is above the target value, blackening might be observed at

the ends of the lamp. Proper lamp operation cannot take place below the „Minimum“

line or above the „Maximum“ line. Only burning duration tests can give a reliable indi-

cation of achievable lamp life in dimmer mode. These tests must be performed by the

control gear manufacturers. Control gear manufacturers are also responsible for carry-

ing out tests on the permissible ambient temperature ranges and on stability in dim-

mer mode.

For optimum operation, new lamps should be burnt in for 100 hours at full output

before they are dimmed for the first time.

The diagram shows an example of an OSRAM DULUX® D/E 26 W lamp.

5. Data for control gear manufacturers

0,5

0,45

0,4

0,35

0,3

0,25

0,2

0,15

0,1

0,05

00,1

0,2

300

0,3

Id [A]

Minimum

Target value

Maximum

Id „1-pin“

(without heating)

Id „2-pin“

(without heating)

Dimming characteristic

DULUX D/E 26 W

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