Quote:
引用第9楼阿bin于2011-04-13 20:19发表的 :
没怎么接触过Class 2的概念,请问哪里可以查到
UL8750关于Class 2的解释:
3.3 CIRCUIT, CLASS 2 – A circuit supplied by an isolating source that complies with the requirements of the Standard for Class 2 Power Units, UL 1310, or the Class 2 requirements of the Standard for Low Voltage Transformers – Part 3: Class 2 and Class 3 Transformers, UL 5085-3.
UL1310的解释:
2.3 CLASS 2 – A source having limited voltage and energy capacity. Requirements for voltage and
energy capacity limitations are as indicated in this standard. See the Maximum Output Voltage Test, Section 28, and the Output Current and Power Test, Section 30.