SMT Power Inductor SIQ1040 Type Features RoHS compliant. Low profile (4.0mm max. height ), high current(11A, 1.5uH) 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 applications. In addition to the standard versions shown here, customized inductors are available to meet your exact requirements. Mechanical Dimension: RECOMMENDED PAD PATTERNS C B G D I H A E F J UNIT : mm/inch A = 10.3 / 0.406 MAX. B = 4.0 / 0.157 MAX. C = 10.3 / 0.406 MAX. D = 6.4 0.3 / 0.252 0.012 E = 4.6 0.2 / 0.181 0.008 F = 1.7 0.2 / 0.067 0.008 G = 5.4 / 0.213 H = 10.8 / 0.425 I = 2.9 / 0.114 J = 5.0 / 0.197 Electrical Characteristics: 25 C: 100KHz, 0.1V o PART NO. L1 (uH) 2 DCR (m ) TYP. Isat (Adc) Irms3 (Adc) SIQ1040 - 1R5 1.5 12 11.00 SIQ1040 - 2R5 2.5 19 8.50 11.00 8.50 SIQ1040 - 3R3 3.3 27 7.00 7.00 SIQ1040 - 4R7 4.7 29 7.60 7.00 SIQ1040 - 5R2 5.2 33 6.50 6.50 SIQ1040 - 6R2 6.2 38 5.60 5.60 SIQ1040 - 7R3 7.3 45 4.80 4.80 SIQ1040 - 100 10.0 57 4.40 4.40 SIQ1040 - 150 15.0 87 3.60 3.60 SIQ1040 - 220 22.0 122 3.20 3.20 SIQ1040 - 330 33.0 186 2.50 2.50 SIQ1040 - 470 47.0 275 2.10 2.10 SIQ1040 - 680 68.0 367 1.80 1.80 SIQ1040 - 101 100.0 537 1.45 1.45 SIQ1040 - 151 150.0 845 1.25 1.25 SIQ1040 - 221 200.0 1220 0.90 0.90 SIQ1040 - 331 330.0 1770 0.80 0.80 1. Tolerance of inductance: 30%. 2. Isat is the DC current which cause the inductance drop less than 35% of its nominal inductance without current. 3. Ir is the DC current which cause the surface temperature of the part increase less than 45oC. 4. 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 23