A1109AS-H-2R2N

づ け Fixed Inductors for Surface Mounting 面実装用固定インダクタ Fixed DB315C/DB318C/DB320C Inductance Range: 1.0~22μH (DB315C), 1.0~22μH (DB318C), 3.9~27μH (DB320C)) DIMENSIONS／外形寸法図 3.8 Recommended patterns 推奨パターン図 * DB320C DB318C (Unit: mm) (Unit: mm) DB315C * DB315C: 1.5mm Max. height FEATURES／特長 • Low profile (4.0mm Max. square,1.5/1.8/2.0mm Max. height). • Magnetically shielded construction and low DC resistanse. • Ideal for DC-DC converter choke coil for portable equipments (DVD, DSC, Cellular phone, PDA). • RoHS compliant. DB318C: 1.8mm Max. height DB320C: 2.0mm Max. height • 小型薄形構造(4.0mm角Max. 高さ1.5/1.8/2.0mmMax.) • 閉磁路構造、低直流抵抗 • 小型機器（DVD, DSC, Cellular phone, PDA）などのDCDCコンバータ用チョークコイルに最適 • RoHS指令対応 TYPE SELECTION GUIDE FOR STANDARD COILS DB315C ( Quantity / reel; 2,000 PCS) インダクタンス Inductance (μH) 1.0 1.6 2.2 3.3 4.7 6.8 8.2 10.0 12.0 15.0 18.0 22.0 (1) (1) 東光品番 TOKO Part Number A1109AS-H-1R0N A1109AS-H-1R6N A1109AS-H-2R2N A1109AS-H-3R3M A1109AS-H-4R7M A1109AS-H-6R8M A1109AS-H-8R2M A1109AS-H-100M A1109AS-H-120M A1109AS-H-150M A1109AS-H-180M A1109AS-H-220M 許容差 Tolerance (%) ±30 ±30 ±30 ±20 ±20 ±20 ±20 ±20 ±20 ±20 ±20 ±20 直流抵抗 (2) DC (2) Resistance (mΩ) Max. (Typ.) 51 (43) 68 (57) 78 (65) 110 (88) 150 (120) 210 (180) 290 (240) 310 (260) 420 (350) 560 (470) 640 (530) 720 (600) 直流重畳許容電流 Inductance (3) Decrease Current (A) Max. (Typ.) ΔL ΔL L =10% L =30% 2.00 (2.70) 1.60 (2.10) 1.40 (1.90) 1.10 (1.50) 0.92 (1.20) 0.72 (0.97) 0.67 (0.89) 0.62 (0.83) 0.55 (0.73) 0.51 (0.68) 0.47 (0.62) 0.41 (0.55) 2.60 (3.50) 2.00 (2.70) 1.80 (2.40) 1.40 (1.90) 1.20 (1.60) 0.96 (1.30) 0.87 (1.20) 0.81 (1.10) 0.72 (0.96) 0.66 (0.88) 0.60 (0.81) 0.54 (0.73) (3) 温度上昇許容電流 Temperature (3) Rise Current ΔT=40°C (A) Max. (Typ.) 2.10 (2.50) 1.70 (2.00) 1.60 (1.90) 1.40 (1.60) 1.10 (1.30) 0.93 (1.10) 0.77 (0.91) 0.74 (0.87) 0.62 (0.72) 0.52 (0.62) 0.49 (0.58) 0.45 (0.53) (3) continued on next page 次頁へ続く づ け Fixed Inductors for Surface Mounting 面実装用固定インダクタ continued from previous page 前頁より続く SELECTION GUIDE FOR STANDARD COILS TYPE DB318C (Quantity/reel; 2,000 PCS) インダクタンス Inductance (μH) 1.0 2.2 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 (1) (1) 東光品番 TOKO Part Number A997AS-1R0N A997AS-2R2N A997AS-3R3M A997AS-3R9M A997AS-4R7M A997AS-5R6M A997AS-6R8M A997AS-8R2M A997AS-100M A997AS-120M A997AS-150M A997AS-180M A997AS-220M 許容差 Tolerance (%) ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 直流抵抗 (2) DC (2) Resistance (mΩ) Max. (Typ.) 40 (32) 60 (48) 70 (60) 90 (80) 100 (90) 120 (100) 130 (110) 160 (140) 180 (150) 230 (190) 260 (210) 330 (270) 440 (370) 直流重畳許容電流 Inductance (3) Decrease Current (A) Max. (Typ.) ΔL ΔL L =10% L =30% 1.80 (2.40) 1.30 (1.70) 0.94 (1.26) 0.86 (1.15) 0.85 (1.14) 0.81 (1.09) 0.69 (0.92) 0.59 (0.78) 0.58 (0.77) 0.55 (0.73) 0.48 (0.64) 0.42 (0.56) 0.39 (0.52) 2.30 (3.10) 1.60 (2.10) 1.20 (1.61) 1.10 (1.46) 1.07 (1.43) 1.02 (1.36) 0.89 (1.19) 0.75 (1.00) 0.74 (0.99) 0.70 (0.94) 0.61 (0.81) 0.53 (0.70) 0.51 (0.67) (3) 温度上昇許容電流 Temperature (3) Rise Current ΔT=40°C (A) Max. (Typ.) 2.40 (2.80) 1.90 (2.20) 1.64 (1.93) 1.37 (1.61) 1.29 (1.52) 1.23 (1.45) 1.10 (1.29) 1.05 (1.23) 0.99 (1.16) 0.78 (0.92) 0.74 (0.87) 0.63 (0.74) 0.53 (0.63) (3) 1 2 3 (3) TYPE DB320C (Quantity/reel; 2,000 PCS) インダクタンス Inductance (μH) 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 (1) (1) 東光品番 TOKO Part Number A993AS-3R9M A993AS-4R7M A993AS-5R6M A993AS-6R8M A993AS-8R2M A993AS-100M A993AS-120M A993AS-150M A993AS-180M A993AS-220M A993AS-270M 許容差 Tolerance (%) ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 直流抵抗 (2) DC (2) Resistance (mΩ) Max. (Typ.) 80 (70) 100 (80) 110 (90) 120 (100) 140 (120) 160 (130) 190 (160) 240 (200) 290 (240) 370 (310) 480 (400) 直流重畳許容電流 Inductance (3) Decrease Current (A) Max. (Typ.) ΔL ΔL L =10% L =30% 0.86 (1.15) 0.85 (1.14) 0.73 (0.97) 0.70 (0.93) 0.66 (0.88) 0.59 (0.78) 0.56 (0.74) 0.49 (0.65) 0.45 (0.60) 0.41 (0.55) 0.35 (0.47) 1.10 (1.47) 1.08 (1.44) 0.97 (1.29) 0.89 (1.18) 0.85 (1.14) 0.74 (0.99) 0.69 (0.92) 0.62 (0.82) 0.56 (0.74) 0.52 (0.69) 0.45 (0.60) (3) 温度上昇許容電流 Temperature (3) Rise Current ΔT=40°C (A) Max. (Typ.) 1.38 (1.73) 1.28 (1.60) 1.21 (1.52) 1.19 (1.49) 0.97 (1.21) 0.96 (1.20) 0.83 (1.04) 0.74 (0.93) 0.65 (0.82) 0.55 (0.69) 0.47 (0.59) 4 6 (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 100kHz (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, 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。測定周波数は100kHz。 (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、またはコイルの温度が 40℃上昇する直流電流値の何れかの内、小さい値とする。 (周囲温度20℃を基準とする） 7 8 9