#B953AS-390M=P3

Ferrite Inductors 铁氧体功率电感器 DS126C2 Recommended patterns Inductance Range: 1.7~680µH 推荐焊盘尺寸 (Unit: mm) (Unit: mm) FEATURES • • • • • 特点 12.8mm Max. square and 6.8mm Max. height. Magnetically shielded construction and low DC resistance. Suitable for large current. Ideal for DC-DC converter inductor applications. Operating temperature : -40～+85°C • • • • • 最大12.8毫米的平面，最大高度6.8毫米 磁性屏蔽结构和低直流电阻 适合于大电流 DC-DC转换器电感器的理想选择 使用温度范围：-40～+85°C STANDARD PART NUMBERS 标准零件号码 TYPE DS126C2 (Quantity/reel; 500 PCS) 零件号码 Part Number #B953AS-1R7N=P3 #B953AS-2R7N=P3 #B953AS-3R9N=P3 #B953AS-5R6N=P3 #B953AS-7R5N=P3 #B953AS-100M=P3 #B953AS-120M=P3 #B953AS-150M=P3 #B953AS-180M=P3 #B953AS-220M=P3 #B953AS-270M=P3 #B953AS-330M=P3 #B953AS-390M=P3 #B953AS-470M=P3 #B953AS-560M=P3 #B953AS-680M=P3 #B953AS-820M=P3 #B953AS-101M=P3 #B953AS-121M=P3 #B953AS-151M=P3 #B953AS-181M=P3 #B953AS-221M=P3 #B953AS-271M=P3 #B953AS-331M=P3 #B953AS-391M=P3 #B953AS-471M=P3 #B953AS-561M=P3 #B953AS-681M=P3 电感值(1) 公差 Inductance(1) Tolerance (µH) (%) 1.7 2.7 3.9 5.6 7.5 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 ± 30 ± 30 ± 30 ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 最大直流电阻(2) (典型) DC Resistance(2) (mΩ) Max.(Typ.) 10 (8) 11 (9) 14 (11) 16 (13) 17 (14) 23 (19) 27 (22) 32 (26) 40 (33) 46 (38) 50 (41) 64 (53) 74 (61) 82 (68) 105 (87) 120 (96) 145 (120) 170 (140) 185 (150) 235 (195) 290 (240) 350 (290) 415 (345) 495 (410) 610 (505) 705 (585) 900 (750) 1120 (930) (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 100kHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 25°C) (3) Maximum allowable DC current is that which causes a 10% inductance reduction from the initial value, or coil temperature to rise by 40°C whichever is smaller.(Reference ambient temperature: 20°C) 最大电感值减小电流(3) (典型) Inductance Decrease Current(3) (A) Max.(Typ.) ΔL/L=10% ΔL/L=30% 11.8 (15.8) 15.8 (21.1) 9.0 (12.1) 11.9 (15.9) 7.9 (10.6) 10.3 (13.8) 6.8 (9.1) 8.9 (11.9) 5.7 (7.7) 7.5 (10.0) 5.5 (7.4) 7.3 (9.8) 5.0 (6.7) 6.5 (8.7) 4.5 (6.0) 5.9 (7.9) 4.1 (5.6) 5.5 (7.3) 3.6 (4.8) 4.6 (6.2) 3.2 (4.3) 4.2 (5.6) 3.0 (4.0) 3.9 (5.2) 2.7 (3.6) 3.5 (4.7) 2.4 (3.3) 3.3 (4.4) 2.0 (2.7) 2.6 (3.5) 1.7 (2.3) 2.3 (3.1) 1.6 (2.3) 2.2 (2.9) 1.5 (2.0) 2.0 (2.6) 1.3 (1.9) 1.8 (2.4) 1.2 (1.6) 1.6 (2.1) 1.1 (1.5) 1.5 (2.0) 1.0 (1.4) 1.3 (1.8) 0.93 (1.2) 1.2 (1.6) 0.83 (1.1) 1.1 (1.5) 0.76 (1.0) 1.0 (1.4) 0.67 (0.90) 0.89 (1.2) 0.62 (0.83) 0.83 (1.1) 0.55 (0.74) 0.72 (0.97) 最大温度上升电流(3) (典型) Temperature Rise Current(3) ∆T=40°C (A) Max. (Typ.) 7.7 (9.6) 7.0 (8.8) 6.0 (7.6) 5.6 (7.1) 5.1 (6.3) 4.4 (5.5) 4.0 (5.0) 3.6 (4.5) 3.2 (4.0) 2.9 (3.8) 2.8 (3.6) 2.4 (3.1) 2.2 (2.8) 2.1 (2.6) 1.9 (2.4) 1.7 (2.2) 1.6 (2.1) 1.4 (1.8) 1.3 (1.7) 1.2 (1.5) 1.1 (1.4) 1.0 (1.3) 0.92 (1.2) 0.83 (1.1) 0.77 (1.0) 0.70 (0.90) 0.64 (0.81) 0.58 (0.73) (1) LCR仪表4284A (Agilent技术)或者功能相同的仪器在100kHz下测 试电感值。 (2) 通过数码万用表34420A（Agilent技术）或者3541(HIOKI)测试直 流电阻。（环境温度为25°C） (3) 允许最大直流电的范围是以下两者中比较小的一个：引起电感值 从最初值降低10%，或者线圈温度升高40°C。 （参考周围环境温度20°C）。