SMT Power Inductor SIW73 Type Features RoHS compliant. Small size (7.3mm*7.3mm), low profile (3.5mm max. height) SMD type. Suitable for high density mounting. High energy storage and low DCR. Provided with embossed carrier tape packing. Idel 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 F C 3.0 E D A 2.0 UNIT:mm/inch A = 7.6 / 0.299 Max. B = 7.6 / 0.299 Max. C = 3.5 / 0.138 Max. D = 5.3 0.1 / 0.209 0.004 E = 1.0 0.1 / 0.039 0.004 F = 2.0 / 0.079 4.3 B Electrical Characteristics: 25 C: 100KHz, 0.1V o L1 (uH) DCR (m ) MAX Irated 2 (Adc) SIW73 - 1R0 1.0 0.022 3.60 SIW73 - 1R5 1.5 0.026 3.40 SIW73 - 2R2 2.2 0.032 2.68 SIW73 - 3R3 3.3 0.041 2.40 SIW73 - 4R7 4.7 0.049 2.26 SIW73 - 6R8 6.8 0.067 1.66 SIW73 - 100 10.0 0.085 1.37 SIW73 - 120 12.0 0.100 1.12 SIW73 - 150 15.0 0.130 1.08 SIW73 - 180 18.0 0.160 1.04 SIW73 - 220 22.0 0.180 0.80 SIW73 - 270 27.0 0.240 0.77 SIW73 - 330 33.0 0.290 0.71 SIW73 - 390 39.0 0.340 0.62 SIW73 - 470 47.0 0.410 0.56 SIW73 - 560 56.0 0.480 0.54 SIW73 - 680 68.0 0.600 0.50 SIW73 - 820 82.0 0.710 0.43 SIW73 - 101 100.0 0.950 0.39 100.00 INDUCTANCE (uH) PART NO. 10.00 101 820 680 560 470 390 330 270 220 180 150. 120 100 6R8 4R7 3R3 2R2 1R5 1.00 0.00 1R0 0.01 0.10 1.00 CURRENT (A) 1. Tolerance of inductance: 20%. 2. Irated is the DC current which cause the inductance drop 10% typical 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 63 10.00