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The resistor value to be used shall be derived from the value of the nominal running current of
9 K! x. \0 N" p9 g( C, L. fthe lamp prescribed in the relevant lamp data sheet of IEC 60081 and IEC 60901 and# j! L) d/ I! w7 ?
substituted in the following equation:
6 B3 P6 }5 a! T1 S# y9 M" B* L" `
6 x& p0 n$ L# w$ ?, T& H% w9 r/ F2 V
R=11,0/(2,1× In)Ω
0 \) m7 z# D$ M9 P/ _8 Z; d7 K8 V2 Y- S5 T
where "ln" is the nominal running current of the lamp.
2 z: s9 x I7 C
! v5 ~$ N4 W) ^) k- H$ J( a8 v5 RFor lamps not covered by IEC 60081 and IEC 60901, the values declared by the lamp
) d6 x8 ~9 P4 j9 U7 K5 Pmanufacturer shall be used. |
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