高频开关电源变压器用功率铁氧体的关键制备技术  

Key Technologies for Making Power Ferrite in High Frequency Switching Power Supply Transformers

作　　者：黄刚 

机构地区：[1]宜宾金川电子有限责任公司,四川宜宾644005

出　　处：《电源技术应用》2005年第12期47-51,共5页Power Supply Technologles and Applications

摘　　要：根据高频开关电源变压器用PC44、PC50等功率铁氧体材料的高起始磁导率(μi)、饱和磁通密度(Bs)、低功率损耗(Pc)等特性要求,分别讨论了配方、添加物和烧结工艺等关键技术对该类材料制备的影响。According to requirments of characteristic parametters such as high initial permeability（μi）, saturation flux density （Bs）, and low power loss（Pc）of the power ferrite materials PC44 and PCS0, which are used in high frequency switching power supply transformers, the effects of the key technologies such as formula, additives, and sintering technology on the making above materials are respectively discussed,

关 键 词：功率铁氧体材料 低功率损耗 配方 添加物 烧结工艺 

分 类 号：TM46[电气工程—电器]