DFE252012F-4R7M=P2

Metal Alloy Inductors 金属合金功率电感器 DFE252012F Recommended patterns Inductance Range: 0.33~10H 推荐焊盘尺寸 (Unit: mm) (Unit: mm) FEATURES 特点  Miniature size: 2520 footprint (2.5mm×2.0mm) and low profile(1.2mm Max. height)  The use of magnetic iron powder ensure capability for large current.  The use of Flat wire for Low DC resistance.  Magnetically shielded, low audible core noise.  Reflow solderable.  Operating temperature : -40～+125°C STANDARD PART NUMBERS  小型薄型构造(2.5ｘ2.0ｍｍ、高度1.2mm Max.)  使用合金系磁性粉，保证了大电流     采用平角线、低直流电阻 闭磁路构造、低芯片噪音 适合回流焊接 使用温度范围：-40～+125°C 标准零件号码 TYPE DFE252012F(Quantity/reel; 3,000 PCS) 零件号码 电感值(1) 公差 测试频率 Part Number Inductance(1) L(H) Tolerance (%) Test Frequency (MHz) DFE252012F-R33M=P2 DFE252012F-R47M=P2 DFE252012F-R68M=P2 DFE252012F-R82M=P2 DFE252012F-1R0M=P2 DFE252012F-1R5M=P2 DFE252012F-2R2M=P2 DFE252012F-3R3M=P2 DFE252012F-4R7M=P2 DFE252012F-6R8M=P2 DFE252012F-8R2M=P2 DFE252012F-100M=P2 0.33 0.47 0.68 0.82 1.0 1.5 2.2 3.3 4.7 6.8 8.2 10 20 20 20 20 20 20 20 20 20 20 20 20 1 1 1 1 1 1 1 1 1 1 1 1 (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 1MHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 20°C) (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40C whichever is smaller. (Reference ambient temperature 20°C) 最大直流电阻(2) (2) DC Resistance (m) Max. (Typ.) 19(14) 23(17) 31(25) 35(29) 40(33) 58(48) 82(68) 135(110) 190(160) 330(270) 410(340) 480(400) 最大电感值减小电流(3) Inductance Decrease Current(3) (A) Max. (Typ.) ΔL/L=30% 7.6(8.5) 6.7(7.4) 5.4(6.0) 4.9(5.4) 4.7(5.3) 3.8(4.3) 3.3(3.6) 2.5(2.8) 2.1(2.4) 1.7(1.9) 1.5(1.7) 1.4(1.6) 最大温度上升电流(3) Temperature Rise Current(3) T=40C (A) Max. (Typ.) 5.1(6.0) 4.9(5.8) 3.9(4.6) 3.6(4.2) 3.3(3.9) 2.7(3.2) 2.3(2.7) 1.8(2.1) 1.5(1.8) 1.2(1.4) 1.1(1.3) 0.95(1.1) (1)LCR仪表4284A (Agilent Technologies)或者功能相同的仪器在 1MHz下测试电感值。 (2)通过数码万用表34420A (Agilent Technologies)/ 3541(HIOKI)或者 相类似的工具测试直流电阻。（环境温度为20°C） (3)允许最大直流电的范围是以下两者中比较小的一个：从开始值降低 30%的电感值，或者线圈温度升高40°C。 （参考周围环境温度20°C）。