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The resistor value to be used shall be derived from the value of the nominal running current of3 h* e% _$ s8 I* G
the lamp prescribed in the relevant lamp data sheet of IEC 60081 and IEC 60901 and* E% g2 R( N* A6 E8 ~
substituted in the following equation:
& a- i8 M. b0 L6 k
# M1 m8 y8 U$ f1 \* x, O; V! [3 i/ U& e9 u6 B8 k* M% A
R=11,0/(2,1× In)Ω, T5 x5 h) c% X1 _
/ d9 P: P) b: D0 W, {( Vwhere "ln" is the nominal running current of the lamp.$ ~# m/ x# n7 a. _1 V+ X; P
O4 |& ?2 Z/ ?+ eFor lamps not covered by IEC 60081 and IEC 60901, the values declared by the lamp
/ ~* I, m" o8 g# }7 q9 a) dmanufacturer shall be used. |
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