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A997AS-4R7M Datasheet(PDF) 1 Page - TOKO, Inc |
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A997AS-4R7M 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 (1) Inductance is measured with a LCR meter 4284A * 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 30% inductance reduction from the initial value, or coil temperature to rise by 40°C, whichever is smaller. (Reference ambient temperature 20°C) * Agilent Technologies (1) インダクタンスはLCRメータ4284A* 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30%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。) * Agilent Technologies DB318C DIMENSIONS/外形寸法図 Recommended patterns 推奨パターン図 1.8 Max. 1.0 2.6 4.0 Max. 方向表示 Direction indication 2.2 5.1 FEATURES/特長 • Low profile (4.0mm Max. square and 1.8mm Max. height). • Magnetically shielded construction and low DC resistance. • Ideal for DC-DC converter choke coil for portable equipments (DVD, DSC, Cellular phone, PDA ). • RoHS compliant. • 小型薄形構造(4.0mm角Max.、高さ1.8mm Max.) • 閉磁路構造、低直流抵抗 • 小型機器(DVD, DSC, Cellular phone, PDA)などのDC-DCコン バータ用チョークコイルに最適 • RoHS指令対応 (Unit: mm) (Unit: mm) TYPE DB318C (Quantity/reel; 2,000 PCS) 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 Inductance(1) (µH) Tolerance (%) DC Resistance(2) (Ω) Max. (Typ.) Inductance Decrease Current(3) (A) Max. (Typ.) =10% =30% ∆L L ∆L L Temperature Rise Current(3) ∆ T=40°C (A) Max. (Typ.) A997AS-1R0N 1.0 ±30 0.04 (0.032) 1.80 (2.40) 2.30 (3.10) 2.40 (2.80) A997AS-2R2N 2.2 ±30 0.06 (0.048) 1.30 (1.70) 1.60 (2.10) 1.90 (2.20) A997AS-3R3M 3.3 ±20 0.07 (0.06) 0.94 (1.26) 1.20 (1.61) 1.64 (1.93) A997AS-3R9M 3.9 ±20 0.09 (0.08) 0.86 (1.15) 1.10 (1.46) 1.37 (1.61) A997AS-4R7M 4.7 ±20 0.10 (0.09) 0.85 (1.14) 1.07 (1.43) 1.29 (1.52) A997AS-5R6M 5.6 ±20 0.12 (0.10) 0.81 (1.09) 1.02 (1.36) 1.23 (1.45) A997AS-6R8M 6.8 ±20 0.13 (0.11) 0.69 (0.92) 0.89 (1.19) 1.10 (1.29) A997AS-8R2M 8.2 ±20 0.16 (0.14) 0.59 (0.78) 0.75 (1.00) 1.05 (1.23) A997AS-100M 10.0 ±20 0.18 (0.15) 0.58 (0.77) 0.74 (0.99) 0.99 (1.16) A997AS-120M 12.0 ±20 0.23 (0.19) 0.55 (0.73) 0.70 (0.94) 0.78 (0.92) A997AS-150M 15.0 ±20 0.26 (0.21) 0.48 (0.64) 0.61 (0.81) 0.74 (0.87) A997AS-180M 18.0 ±20 0.33 (0.27) 0.42 (0.56) 0.53 (0.70) 0.63 (0.74) A997AS-220M 22.0 ±20 0.44 (0.37) 0.39 (0.52) 0.51 (0.67) 0.53 (0.63) Inductance Range: 1.0~22µH SELECTION GUIDE FOR STANDARD COILS |
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