EI型功率磁芯尺寸规格.pdf

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1、特点：结构紧凑、体积小、工作频率高、工作电压范围广、气隙在线圈顶端耦合紧、损耗低。损耗与温度成负相关，可防止温度的持续上升。用途：电源转换变压器及扼流圈、DVD电源、照相机闪光灯、通讯设备及其它电子设备。EI型功率磁芯尺寸规格尺寸Dimensions(mm)磁芯型号TypeABCDEminFGEI12.5/912.50±0.307.65±0.304.80±0.302.40±0.308.805.20±0.3201.50±0.30EI22/1922.00±0.6015.00±0.505.75±0.305.75±0.3015.6010.8

2、0±0.404.50±0.30EI25/2025.30±0.5016.30±0.406.60±0.306.50±0.3018.3013.20±0.402.90±0.30EI28/2028.50±0.6017.50±0.4010.70±0.307.20±0.3018.6012.80±0.403.50±0.30EI30/2730.60±0.6021.50±0.3010.65±0.3010.50±0.3020.0016.50±0.305.50±0.30EI33/2933.00±0.6023.60±0.40012.70±0.309.70±0

3、.3023.5019.25±0.305.00±0.30EI型功率磁芯电气特性及有效参数有效参数磁芯型号材质AL(nH/N2)EffectiveparametersTypeMaterial±25%LeAeVe重量功耗Pc约设计功率（W）C1(mm-1)(mm)(mm2)(mm3)(g)(W/PRS,max)1KHz/0.25vEI12.5/9TP410001.4320.614.42961.90.226EI22/19TP419001.1542.537.015728.40.9725EI25/20TP419001.1549.142.6209

4、110.71.2332EI28/20TP438000.5347.388.7419522.02.5365EI30/27TP438000.5458.8109.0640932.53.74100EI33/29TP438000.5767.6119.3806441.04.72125注：AL值测试条件为1KHz,0.25v,100Ts,25±3℃Pc值测试条件为100KHz,200mT,100℃