ZPO5 series---a super small volume modular module power supply offered by Zhongyiguang. The output power of thisseries module power supply is 5 W, with extremely low no-load loss (<0.1W), low leakage current,which is only 0.1 ma, smallsize(50.8025.40*1550mm) and isolated pressure up to 4kv, etc. The product is safe and reliable, which has a good EMC EMCand safety specifications meet the lec/EN61000-4, CISPR22/EN55022, UL60950/EN60950/EN60601 and other relatedstandards. This series of products are widely used in smart home, high-end decorative lighting, medical, industrial, office andcivil industries, such as applied to a relatively harsh environment electromagnetic compatibility must refer to the applicationcircuit