SMT Power Inductors Special Features • Molded construction for high reliability and superior environmental protection • High resistance to solder heat, moisture • High current capacity • Low DCR • Ferrite core • Operating temperature -55 to +125 °C • Test frequency 1 KHz • Tape & reel packaged 800/reel Typical Applications • EMI filtering • Laptop computers • Battery chargers • DC/DC converters • Network cards • Switching boards • Industrial electronics • Entertainment electronic devices Notes * Saturation current to cause approx. 5 % inductance drop ** Rated current to cause approx. 40 °C temperature rise 12.7 6.1 5.5 1.6 7.8 4.2 1.2 Min 3.3 Pad Layout Part Number PM1355 Series DCR (Ω) L (µH) Max. ± 10 % I sat. * (A) I rated** (A) PM1355-1R0K-RC PM1355-1R2K-RC PM1355-1R5K-RC PM1355-1R8K-RC PM1355-2R2K-RC PM1355-2R7K-RC PM1355-3R3K-RC PM1355-3R9K-RC PM1355-4R7K-RC PM1355-5R6K-RC PM1355-6R8K-RC PM1355-8R2K-RC PM1355-100K-RC PM1355-120K-RC PM1355-150K-RC PM1355-180K-RC PM1355-220K-RC PM1355-270K-RC PM1355-330K-RC PM1355-390K-RC PM1355-470K-RC PM1355-560K-RC PM1355-680K-RC PM1355-820K-RC PM1355-101K-RC PM1355-121K-RC PM1355-151K-RC PM1355-181K-RC PM1355-221K-RC PM1355-271K-RC PM1355-331K-RC PM1355-391K-RC PM1355-471K-RC PM1355-561K-RC PM1355-681K-RC PM1355-821K-RC PM1355-102K-RC PM1355-122K-RC PM1355-152K-RC PM1355-182K-RC PM1355-222K-RC PM1355-272K-RC PM1355-332K-RC PM1355-392K-RC PM1355-472K-RC PM1355-562K-RC PM1355-682K-RC PM1355-822K-RC PM1355-103K-RC 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10,000 7.4 6.4 6.0 5.6 5.2 4.6 4.0 3.8 3.6 3.2 2.8 2.7 2.4 2.2 2.0 1.8 1.6 1.5 1.4 1.2 1.1 1.0 0.96 0.90 0.80 0.70 0.62 0.56 0.52 0.45 0.41 0.39 0.36 0.33 0.29 0.26 0.245 0.22 0.20 0.19 0.16 0.15 0.14 0.13 0.12 0.11 0.094 0.088 0.080 5.10 4.80 4.42 4.12 3.67 3.61 3.34 3.20 3.00 2.91 2.71 2.59 2.34 2.22 2.09 1.89 1.61 1.51 1.33 1.25 1.09 1.03 0.996 0.913 0.793 0.755 0.658 0.612 0.580 0.489 0.463 0.436 0.380 0.373 0.308 0.288 0.269 0.218 0.204 0.188 0.180 0.156 0.151 0.136 0.125 0.114 0.089 0.084 0.079 0.015 0.017 0.020 0.023 0.029 0.030 0.035 0.038 0.043 0.046 0.053 0.058 0.071 0.079 0.089 0.109 0.150 0.170 0.222 0.250 0.330 0.370 0.418 0.468 0.620 0.684 0.900 1.04 1.16 1.63 1.82 2.05 2.7 2.8 4.1 4.7 5.4 8.3 9.4 11.0 12.0 16.0 17.0 21.0 25.0 30.0 49.0 55.0 62.0 Dimensions: mm REV. 06/07 Tel. (877) 426-8767 • Fax (951) 781-5006 www.bourns.com 9.3