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ER功率磁芯

特点:耦合位置好,中柱为圆形,便于绕线且绕线面积增大,可设计功率大而漏感小的变压器。

用途:开关电源变压器,脉冲变压器,电子镇流器等。

 


ER型功率磁芯尺寸规格

磁芯型号
Type
Dimensions(mm)尺寸
A B C D Emin F R
ER9.5/5/5 9.35±0.30 2.50±0.20 4.90±0.30 3.40±0.30 7.30 1.70±0.30  
ER11.5/5/6 10.85±0.30 2.50±0.20 5.90±0.30 4.15±0.30 8.40 1.58±0.30  
ER14.5/6/6.7 14.50±0.30 3.00±0.20 6.70±0.30 4.70±0.30 11.50 1.65±0.30  
ER14.5/6.8/6.7 14.50±0.30 3.40±0.20 6.70±0.30 4.70±0.30 11.50 2.30±0.30  
ER17.5/12/5 17.50±0.40 6.00±0.20 5.00±0.30 5.00±0.30 13.00 4.20±0.30  
ER20/9.6/10 20.50±0.40 4.80±0.30 9.90±0.30 7.90±0.30 16.70 2.80±0.30 3.00±0.20
ER24.9/29/8.5 24.90±0.60 14.55±0.30 8.40±0.40 8.40±0.30 18.00 10.20±0.30  
ER25/10/10 25.50±0.60 5.10±0.20 10.20±0.40 8.30±0.30 18.50 3.20±0.30  
ER25/19/7.5 25.50±0.60 9.30±0.30 7.50±0.40 7.45±0.30 19.50 6.25±0.30  
ER28/28/11 28.55±0.55 14.00±0.30 11.40±0.25 9.90±0.25 21.20 9.65±0.30  
ER28/34/11 28.55±0.55 17.00±0.25 11.40±0.25 9.90±0.25 21.20 12.70±0.30  
ER29/34/11 29.40±0.60 16.90±0.30 11.40±0.25 9.90±0.30 22.10 12.50±0.30  
ER30/16/20 30.00±0.60 8.30±0.40 20.00±0.30 11.00±0.30 25.60 5.40±0.30  
ER30/18/20 30.00±0.60 9.40±0.40 20.30±0.30 13.30±0.30 25.00 6.60±0.30  
ER33/35/14 33.00±0.60 17.30±0.30 13.80±0.30 12.50±0.30 24.50 12.80±0.30  
ER35/30/11 35.00±0.70 15.20±0.30 11.30±0.30 11.30±0.30 25.60 9.80±0.40  
ER35/42/11 35.30±0.70 21.00±0.30 11.30±0.25 11.30±0.25 26.40 15.20±0.30  
ER39/42/13 39.30±0.90 20.95±0.30 12.50±0.30 12.50±0.30 28.60 15.65±0.40  
ER39/44/13 39.10±0.90 22.20±0.30 12.50±0.30 12.50±0.30 29.30 17.00±0.30  
ER40/42/15 40.30±0.90 21.30±0.30 15.00±0.40 14.00±0.30 30.70 15.30±0.30  
ER40/45/13 40.00±1.0 22.40±0.30 13.30±0.40 13.30±0.30 28.70 15.40±0.30  
ER42/45/15 42.00±1.00 22.40±0.30 15.20±0.40 15.20±0.30 29.20 15.40±0.30  
ER42/42/20 42.30±1.00 21.20±0.40 19.80±0.30 17.30±0.30 31.80 15.40±0.30  
ER49/50/16.6 49.40±1.20 25.00±0.50 16.60±0.40 16.60±0.40 36.30 18.30±0.30  
ER49/54/17 49.00±1.20 27.20±0.50 17.20±0.40 17.20±0.40 36.30 18.90±0.40  
ER70/70/16 70.00±1.70 34.80±0.70 16.20±0.50 16.20±0.50 44.50 22.80±0.50  
ER90/90/30 90.00±1.80 45.00±1.30 30.00±1.00 30.00±1.00 68.5 34.50±2.00  
ER120/101/30 120.00±2.00 50.50±1.30 30.00±1.00 30.00±1.00 93.3 34.50±2.00  



 ER型功率磁芯电气特性及有效参数

磁芯型号
Type
材质
Material
AL(nH/N2)
±25%
有效参数 Effective parameters
C1
(mm-1)
Le
(mm)
Ae
(mm2)
Ve
(mm3)
重 量
(g) 
功耗 Pc
(W/PRS,max) 
约设计功率(W)
1KHz/0.25v
ER9.5/5/5 TP4 950 1.63 14.00 8.60 120.4 0.6 0.08 2
ER11.5/5/6 TP4 1040 1.24 14.70 11.90 174.9 1.0 0.12 3.5
ER14.5/6/6.7 TP4 1500 1.08 19.00 17.60 334.4 1.8 0.22 5
ER14.5/6.8/6.7 TP4 1500 1.10 19.30 17.60 339.7 2.0 0.26 6
ER17.5/12/5 TP4 1450 0.57 25.00 44.00 1100.0 5.3 0.66 16
ER20/9.6/10 TP4 2500 0.73 30.00 40.90 1227.0 5.8 0.75 17
ER24.9/29/8.5 TP4 1900 1.10 64.30 58.60 3768.0 19.4 2.5 58
ER25/10/10 TP4 2900 0.58 32.00 55.00 1760.0 8.5 1.02 25
ER25/19/7.5 TP4 1800 0.92 44.30 48.00 2126.4 12.0 1.4 35
ER28/28/11 TP4 2750 0.74 65.70 88.30 5801.3 28.0 3.22 85
ER28/34/11 TP4 2400 0.88 77.10 87.70 6761.7 33.0 3.79 100
ER29/34/11 TP4 2400 0.88 75.40 85.20 6424.1 32.0 3.75 100
ER30/16/20 TP4 4300 0.41 45.80 112.00 5129.6 26.0 3.02 80
ER30/18/20 TP4 5600 0.35 47.70 137.00 6534.9 33.6 3.95 100
ER33/35/14 TP4 3200 0.63 78.40 125.00 9800.0 50.5 5.82 150
ER35/30/11 TP4 3140 0.67 73.80 110.00 8118.0 39.0 4.51 120
ER35/42/11 TP4 2700 0.87 95.20 110.00 10472.0 52.0 6.02 160
ER39/42/13 TP4 2850 0.80 98.40 123.00 12103.2 61.0 7.02 180
ER39/44/13 TP4 2600 0.81 101.70 125.00 12712.5 62.4 7.18 190
ER40/42/15 TP4 3500 0.61 96.30 158.00 15215.4 76.0 8.86 230
ER40/45/13 TP4 3100 0.65 99.10 152.00 15063.2 78.0 9.02 240
ER42/45/15 TP4 3900 0.47 95.50 203.70 19453.4 92.0 10.58 280
ER42/42/20 TP4 4800 0.42 99.80 240.00 23952.0 116.0 13.34 350
ER49/50/16.6 TP4 4800 0.47 112.00 236.00 26432.0 128.0 14.72 390
ER49/54/17 TP4 3950 0.52 125.00 241.00 30125.0 148.0 17.02 450
ER70/70/16 TP4 4050 0.49 139.20 282.50 39324.0 255.0 31.52 770
ER90/90/30 TP4 5500 0.35 216.00 624.00 134784.0 665.0 78.36 2000
ER120/101/30 TP4 6300 0.33 250.00 753.00 188250.0 780.0 92.86 2300


注:AL值测试条件为1KHz,0.25v,100Ts,25±3℃
Pc值测试条件为100KHz,200mT,100℃

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