SMT Power Inductor SIL740 Type Features RoHS compliant. Small size (6.6mm*6.6mm), low profile (4.0mm max. height) SMD type. Magnetically shielded, suitable for high density mounting. High energy storage and low DCR. Provided with embossed carrier tape packing. Ideal for power source circuits, DC-DC converter, DC-AC inverters inductor application. In addition to the standard versions shown here, customized inductors are available to meet your exact requirements. Mechanical Dimension: RECOMMENDED PAD PATTERNS B C 7.3 1.5 A UNIT:mm/inch A = 7.0 / 0.276 Max. B = 7.0 / 0.276 Max. C = 4.0 / 0.157 Max. D = 2.0 0.1 / 0.079 0.004 7.3 D Electrical Characteristics: 25 C: 100KHz, 0.1V o SIL740 - R66 SIL740 - 1R0 SIL740 - 1R5 SIL740A - 1R5 SIL740A - 2R0 SIL740 - 2R2 SIL740A - 2R8 SIL740 - 3R3 SIL740A - 3R6 SIL740A - 4R5 SIL740 - 4R7 SIL740 - 5R0 SIL740A - 5R2 SIL740 - 6R2 SIL740 - 7R4 SIL740 - 8R7 SIL740 - 100 SIL740 - 120 SIL740A - 120 SIL740 -150 SIL740A - 150 SIL740 - 180 SIL740A - 180 SIL740 - 220 SIL740A - 220 SIL740 - 270 SIL740 - 330 SIL740 - 390 SIL740 - 470 SIL740 - 560 SIL740 - 680 SIL740 - 820 SIL740 - 101 SIL740A - 271 L1 (uH) 0.66 1.00 1.50 1.50 2.00 2.20 2.80 3.30 3.60 4.50 4.70 5.00 5.20 6.20 7.40 8.70 10.00 12.00 12.00 15.00 15.00 18.00 18.00 22.00 22.00 27.00 33.00 39.00 47.00 56.00 68.00 82.00 100.00 270.00 ( DCR ) MAX 0.006 0.010 0.012 0.013 0.015 0.015 0.024 0.020 0.025 0.027 0.024 0.024 0.031 0.027 0.031 0.034 0.038 0.053 0.070 0.057 0.084 0.092 0.105 0.096 0.128 0.109 0.124 0.138 0.155 0.202 0.234 0.324 0.358 1.050 Irated 2 (Adc) 6.20 5.00 4.00 6.80 5.80 4.20 5.00 3.50 4.50 4.00 3.00 2.20 3.50 2.50 2.30 2.20 2.00 1.70 2.20 1.60 2.10 1.50 1.90 1.30 1.70 1.20 1.10 1.00 0.95 0.85 0.75 0.70 0.65 0.50 100.00 INDUCTANCE (uH) PART NO. 10.00 101 820 680 560 470 390 330 270 220 180 150 120 100 8R7 7R4 6R2 5R0 3R3 1.00 0.00 0.01 0.10 1.00 10.00 CURRENT (A) 1. Tolerance of inductance : 30%. 2. Irated is the DC current which cause the inductance drop less than 35% of its nominal inductance without current and the surface temperature of the part increase less than 45oC. 3. Operating temperature: -20oC to 105oC (including self-temperature rise). DELTA ELECTRONICS, INC. (TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C. TEL: 886-3-3591968; FAX: 886-3-3591991 http://www.deltaww.com 40