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b For a self-ballasted lamp, the temperature limit of a polymeric material may be increased above the established RTI value for
8 t5 K0 t" r* l5 Z70,000 hours to correspond with the maximum expected lamp life. For fluorescent lamps, 5,000 to 10,000 hours life is typical. See
) }' Z& P+ ]6 I. f3 PUL 746C clauses on RTI for discussion of this technique.9 X3 f0 i3 S; _0 b0 O
有一个LED灯,测温升,然后不知灯头的绝缘体那里的温升应该是多少。( v: l# G. E' j
表中只写了a.b.但厂家未提供外壳的温度参数。: Y7 u! V# W3 V' i6 S. J
B看不太懂。求解答!
: r6 _, }. t& }; u% R: i/ ~
0 _& K; K8 u& I3 G0 [: Y G0 v |
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