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| Fixed Inductors for Surface Mounting DS73LC DS74LC Inductance Range: 1.0~220H (DS73LC ), 2.4~470H (DS74LC) DIMENSIONS 1 DS73LC DS74LC (Unit: mm) 2 Note * : DS73LC ; DS74LC ; 3.0mm Max. height 4.0mm Max. height FEATURES * Low-profile (7.6mm Max. square, 3.0 and 4.0mm Max. height). * Magnetically shielded construction * Suitable for large current. * Ideal for a variety of DC-DC converter inductor applications. * RoHS compliant. * 7.6mm Max. * * * DC-DC * RoHS 3.0 4.0mm Max. 3 4 MEASUREMENT CONDITION (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) Rated DC current is that which causes a 10% inductance reduction from the initial value, or coil temperature to rise by 40C, whichever is smaller. (Reference ambient temperature 20C) (1) (2) (3) ( 10 40 20C ) LCR 100kHz TR6871 Advantest 4284A Agilent Technologies 6 Recommended patterns 7 3.0 8 4.4 8.4 (Unit: mm) continued on next page 9 Fixed Inductors for Surface Mounting continued from previous page SELECTION GUIDE FOR STANDARD COILS TYPE DS73LC (Quantity/reel; 1000 PCS) (1) (2) (3) (3) TOKO Part Number B1079AS-1R0N B1079AS-1R5N B1079AS-2R0N B1079AS-2R7N B1079AS-3R3N B1079AS-3R9N B1079AS-4R7N B1079AS-6R8N B1079AS-100M B1079AS-150M B1079AS-220M B1079AS-330M B1079AS-470M B1079AS-560M B1079AS-680M B1079AS-101M B1079AS-151M B1079AS-221M Inductance (H) 1.0 1.5 2.0 2.7 3.3 3.9 4.7 6.8 10.0 15.0 22.0 33.0 47.0 56.0 68.0 100.0 150.0 220.0 (1) Tolerance (%) 30 30 30 30 30 30 30 30 20 20 20 20 20 20 20 20 20 20 DC (2) Resistance (m) Max. 11 13 19 25 29 32 40 54 77 114 150 228 300 348 492 696 1188 1512 Inductance (3) Decrease Current (A) Max. L =10% L Temperature (3) Rise Current T=40C (A) Max. 6.5 6.00 4.60 3.80 3.70 3.30 3.00 2.30 2.00 1.45 1.35 1.10 0.87 0.80 0.70 0.54 0.47 5.25 4.35 3.60 3.15 2.75 2.55 2.30 1.95 1.60 1.25 1.05 0.90 0.75 0.70 0.62 0.50 0.41 0.35 0.36 TYPE DS74LC (Quantity/reel; 1000 PCS) (1) (2) (3) (3) TOKO Part Number B1077AS-2R4N B1077AS-3R0N B1077AS-4R7N B1077AS-6R8N B1077AS-100M B1077AS-150M B1077AS-220M B1077AS-330M B1077AS-470M B1077AS-680M B1077AS-101M B1077AS-151M B1077AS-221M B1077AS-331M B1077AS-471M Inductance (H) 2.4 3.0 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 (1) Tolerance (%) 30 30 30 30 20 20 20 20 20 20 20 20 20 20 20 DC (2) Resistance (m) Max. 16 20 34 40 58 80 98 155 230 305 445 835 1055 1520 2390 Inductance (3) Decrease Current (A) Max. L =10% L Temperature (3) Rise Current T=40C (A) Max. 4.5 4.1 3.0 2.7 2.2 2.0 1.7 1.3 1.1 0.90 0.75 0.52 0.48 0.38 0.31 3.8 3.3 2.6 2.3 1.8 1.5 1.2 1.0 0.86 0.71 0.59 0.46 0.39 0.32 0.26 |
Price & Availability of B1077AS-100M
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