SMT Power Inductor SIWC1355 Type Features RoHS compliant. Low profile (5.8mm max. height) SMD type. Magnetically shielded, 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 C B D E 5.0 UNIT:mm/inch A = 13.0 / 0.512 Max. B = 13.0 / 0.512 Max. C = 5.5 0.3 / 0.217 0.012 D = 4.0 0.1 / 0.157 0.004 E = 2.0 0.1 / 0.079 0.004 F = 8.6 0.1 / 0.339 0.004 3.0 A 7.6 F PART NO. 25oC: 1KHz, 1V L1 (uH) DCR ( )MAX Irated 2 (Adc) SIWC1355 - 100 10 0.027 3.60 SIWC1355 - 120 12 0.028 3.40 SIWC1355 - 150 15 0.037 3.00 SIWC1355 - 180 18 0.039 2.80 SIWC1355 - 220 22 0.045 2.50 SIWC1355 - 270 27 0.057 2.20 SIWC1355 - 330 33 0.069 2.10 SIWC1355 - 390 39 0.082 1.90 SIWC1355 - 470 47 0.090 1.70 SIWC1355 - 560 56 0.100 1.50 SIWC1355 - 680 68 0.120 1.40 SIWC1355 - 820 82 0.134 1.20 SIWC1355 - 101 100 0.189 1.10 SIWC1355 - 121 120 0.209 1.00 SIWC1355 - 151 150 0.273 0.93 SIWC1355 - 181 180 0.308 0.84 SIWC1355 - 221 220 0.384 0.79 SIWC1355 - 271 270 0.470 0.67 SIWC1355 - 331 330 0.586 0.59 SIWC1355 - 391 390 0.669 0.55 SIWC1355 - 471 470 0.803 0.53 SIWC1355 - 561 560 1.026 0.48 SIWC1355 - 681 680 1.166 0.44 SIWC1355 - 821 820 1.419 0.36 SIWC1355 - 102 1000 1.617 0.33 1000.00 INDUCTANCE (uH) Electrical Characteristics: 100.00 10.00 0.00 102 821 681 561 471 391 331 271 221 181 151 121 101 820 680 560 470 390 330 270 220 180 150 120 100 0.01 0.10 1.00 10.00 CURRENT (A) 1. Tolerance of inductance : 20%. 2. Irated is the DC current which cause the inductance drop less than 20% 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 71