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989BS-4R3N Datasheet(PDF) 1 Page - TOKO, Inc |
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989BS-4R3N Datasheet(HTML) 1 Page - TOKO, Inc |
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1 / 1 page Fixed Inductors for Surface Mounting 面実装 づけ 用 固定インダクタ D126CT DIMENSIONS/外形寸法図 (Unit: mm) Recommended patterns 推奨パターン図 FEATURES/特長 SELECTION GUIDE FOR STANDARD COILS Inductance Range: 1.3~47µH 8.5 6.7 Max. 12.8 Max. 13.5 8.0 • 12.8mm Max. square and 6.7mm Max. height. • Magnetically shielded construction and low DC resistance. • Suitable for large current. • Ideal for DC-DC converter inductor applications in hand held personal computer, etc. • RoHS compliant. • 12.8mm角Max.、高さ6.7mm Max. • 閉磁路構造、低直流抵抗 • 大電流対応 • ノート型パソコンなどのDC-DCコンバータ用インダクタに最適 • RoHS指令対応 TYPE D126CT (Quantity/reel; 500 PCS) (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. (2) DC resistance is measured with a Digital Multimeter TR6871 (Advantest) or equivalent. (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) (1)インダクタンスはLCRメータ4284A(Agilent Technologies)または 同等品により測定する。 (2)直流抵抗はデジタルマルチメータTR6871(Advantest)または同等 品により測定する。 (3)最大許容電流は、直流重畳電流を流した時インダクタンスの値が初 期値より10%減少する直流電流値、または直流電流により、コイル の温度が40℃上昇の何れか小さい値です。(周囲温度20℃を基準とす る。) 1.3 ± 30 3.8 15.0 13.0 2.1 ± 30 4.6 11.0 12.0 3.1 ± 30 5.6 9.1 10.0 4.3 ± 30 5.9 7.8 9.6 5.6 ± 30 8.1 6.8 8.9 東光品番 インダクタンス(1) 許容差 直流抵抗(2) 直流重畳許容電流(3) 温度上昇許容電流(3) TOKO Part Number 989BS-1R3N 989BS-2R1N 989BS-3R1N 989BS-4R3N 989BS-5R6N Inductance(1) (µH) Inductance Decrease Current(3) (A) Max. =10% ∆L L DC Resistance(2) (mΩ) Max. Temperature Rise Current(3) ∆ T=40°C (A) Max. Tolerance (%) (Unit: mm) 989BS-7R5M 989BS-9R2M 989BS-110M 989BS-270M 989AS-470M 7.5 ± 20 14.0 6.2 6.4 9.2 ± 20 15.0 5.5 6.1 11.0 ± 20 17.0 5.0 5.8 27.0 ± 20 33.0 3.1 4.2 47.0 ± 20 41.0 2.0 3.7 |
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