B1079AS-221M=P3 Murata

Ferrite Inductors DS73LC / DS74LC Inductance Range: 1.0~220 H (DS73LC ), Recommended patterns 2.4~470 H (DS74LC) DS73LC DS74LC (Unit: mm) (Unit: mm) * : DS73LC ; 3.0mm Max. DS74LC ; 4.0mm Max. FEATURES Low-profile (7.6mm Max. square, 3.0 and 4.0mm Max. 7.6mmMax. 3.04.0mm Max. height). Magnetically shielded construction Suitable for large current. DC-DC Ideal for a variety of DC-DC converter inductor applications. RoHS RoHS compliant. STANDARD PART NUMBERS TYPE DS73LC (Quantity/reel; 1000 PCS) (1) (2) (3) (3) Inductance Temperature (3) DC (1) (3) Decrease Current Part Inductance Tolerance Rise Current (2) Resistance (A) Max. (Typ.) Number (H) (%) T=40C L L (m) Max. (Typ.) =10% =30% L L (A) Max. (Typ.) B1079AS-1R0N=P3 1.0 30 11 (9.3) 5.25 (7.00) 6.75 (9.00) 6.50 (7.60) B1079AS-1R5N=P3 1.5 30 13 (11) 4.35 (5.80) 5.60 (7.50) 6.00 (7.00) B1079AS-2R0N=P3 2.0 30 19 (16) 3.60 (4.80) 4.70 (6.30) 4.60 (5.40) B1079AS-2R7N=P3 2.7 30 25 (21) 3.15 (4.20) 4.05 (5.40) 3.80 (4.50) B1079AS-3R3N=P3 3.3 30 29 (24) 2.75 (3.70) 3.60 (4.80) 3.70 (4.40) B1079AS-3R9N=P3 3.9 30 32 (27) 2.55 (3.40) 3.30 (4.40) 3.30 (3.90) B1079AS-4R7N=P3 4.7 30 40 (33) 2.30 (3.10) 3.00 (4.00) 3.00 (3.50) B1079AS-6R8N=P3 6.8 30 54 (45) 1.95 (2.60) 2.50 (3.30) 2.30 (2.70) B1079AS-100M=P3 10 20 77 (64) 1.60 (2.10) 2.00 (2.70) 2.00 (2.40) B1079AS-150M=P3 15 20 114 (95) 1.25 (1.70) 1.65 (2.20) 1.45 (1.70) B1079AS-220M=P3 22 20 150 (125) 1.05 (1.40) 1.40 (1.90) 1.35 (1.60) B1079AS-330M=P3 33 20 228 (190) 0.90 (1.20) 1.10 (1.50) 1.10 (1.30) B1079AS-470M=P3 47 20 300 (250) 0.75 (1.00) 1.00 (1.30) 0.87 (1.00) B1079AS-560M=P3 56 20 348 (290) 0.70 (0.93) 0.91 (1.21) 0.80 (0.94) B1079AS-680M=P3 68 20 492 (410) 0.62 (0.83) 0.80 (1.07) 0.70 (0.83) B1079AS-101M=P3 100 20 696 (580) 0.50 (0.67) 0.65 (0.86) 0.54 (0.68) B1079AS-151M=P3 150 20 1188 (990) 0.41 (0.54) 0.53 (0.70) 0.47 (0.56) B1079AS-221M=P3 220 20 1512 (1260) 0.35 (0.46) 0.44 (0.59) 0.36 (0.42) continued on next page Ferrite Inductors continued from previous page STANDARD PART NUMBERS TYPE DS74LC (Quantity/reel; 1000 PCS) (1) (2) (3) (3) Inductance Temperature (3) DC (1) (3) Decrease Current Part Inductance Tolerance Rise Current (2) Resistance (A) Max. (Typ.) Number (H) (%) T=40C L L (m) Max. (Typ.) =10% =30% L L (A) Max. (Typ.) B1077AS-2R4N=P3 2.4 30 16 (13) 3.80 (5.00) 5.00 (6.70) 4.50 (5.30) B1077AS-3R0N=P3 3.0 30 20 (17) 3.30 (4.40) 4.40 (5.90) 4.10 (4.90) B1077AS-4R7N=P3 4.7 30 34 (28) 2.60 (3.50) 3.45 (4.60) 3.00 (3.50) B1077AS-6R8N=P3 6.8 30 40 (33) 2.30 (3.10) 3.10 (4.10) 2.70 (3.20) B1077AS-100M=P3 10 20 58 (48) 1.80 (2.40) 2.40 (3.20) 2.20 (2.60) B1077AS-150M=P3 15 20 80 (66) 1.50 (2.00) 1.95 (2.60) 2.00 (2.40) B1077AS-220M=P3 22 20 98 (82) 1.20 (1.60) 1.60 (2.10) 1.70 (2.10) B1077AS-330M=P3 33 20 165 (135) 1.00 (1.40) 1.35 (1.80) 1.30 (1.50) B1077AS-470M=P3 47 20 230 (190) 0.86 (1.10) 1.10 (1.50) 1.10 (1.30) B1077AS-680M=P3 68 20 305 (255) 0.71 (0.94) 0.94 (1.25) 0.90 (1.10) B1077AS-101M=P3 100 20 445 (370) 0.59 (0.79) 0.80 (1.06) 0.75 (0.88) B1077AS-151M=P3 150 20 835 (695) 0.46 (0.61) 0.61 (0.81) 0.52 (0.61) B1077AS-221M=P3 220 20 1150 (945) 0.39 (0.52) 0.52 (0.69) 0.44 (0.52) B1077AS-331M=P3 330 20 1900 (1550) 0.32 (0.42) 0.44 (0.58) 0.34 (0.41) B1077AS-471M=P3 470 20 2390 (1990) 0.26 (0.35) 0.35 (0.46) 0.31 (0.37) (1) Inductance is measured with a LCR meter 4284A (Agilent (1) LCR4284AAgilent Technologies Technologies) or equivalent. Test frequency at 100kHz 100kHz (2) DC resistance is measured with 34420A (Agilent Technologies) or (2) 34420AAgilent Technologies3541 3541(HIOKI). (Reference ambient temperature 25C) HIOKI25C (3) Maximum allowable DC current is that which causes a 10% (3) inductance reduction from the initial value, or coil temperature to 10 rise by 40C, whichever is smaller. (Reference ambient 40C20C temperature 20C)