T PL IA N † Ro HS CO M Multilayer Chip Inductors Model PM1812G Series is obsolete and not recommended for new designs. Model CM453232 is preferred. Part Number PM1812G-R10K-RC PM1812G-R12K-RC PM1812G-R15K-RC PM1812G-R18K-RC PM1812G-R22K-RC PM1812G-R27K-RC PM1812G-R33K-RC PM1812G-R39K-RC PM1812G-R47K-RC PM1812G-R56K-RC PM1812G-R68K-RC PM1812G-R82K-RC PM1812G-1R0K-RC PM1812G-1R2K-RC PM1812G-1R5K-RC PM1812G-1R8K-RC PM1812G-2R2K-RC PM1812G-2R7K-RC PM1812G-3R3K-RC PM1812G-3R9K-RC PM1812G-4R7K-RC PM1812G-5R6K-RC PM1812G-6R8K-RC PM1812G-8R2K-RC PM1812G-100K-RC PM1812G-120K-RC PM1812G-150K-RC PM1812G-180K-RC PM1812G-220K-RC PM1812G-270K-RC PM1812G-330K-RC Special Features • Monolithic construction provides high reliability • High Q characteristic • High frequency application • Ferrite material construction provides magnetic shielding to reduce radiation • Low profile • Operating temperature -25 to +125 °C • Tape & reel packaged 1000 / reel Typical Applications • Personal computers • Notebook computers • Printers • Hard disk drivers • Computer peripherals • Digital TVs, VCRs • Consumer electronics L (µH) ±10 % 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 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 PM1812G Series Test SRF Q Freq. (MHz) Min (MHz) Min DCR (Ω) Max Idc (mA) Bourns Equivalent 35 35 35 35 40 40 40 40 40 40 40 40 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 0.18 0.20 0.22 0.24 0.25 0.26 0.28 030 0.32 0.36 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.90 1.0 1.1 1.2 1.4 1.6 2.0 2.5 2.8 3.2 3.6 4.0 800 770 730 700 665 635 605 575 545 520 500 475 450 430 410 390 380 370 355 330 315 300 285 270 250 225 200 190 180 170 160 CM453232 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 300 280 250 220 200 180 165 150 145 140 135 130 100 80 70 60 55 50 45 40 35 33 27 25 20 18 17 15 13 12 11 E T E L O S B O † RoHS Directive 2002/95/EC Jan 27 2003 including Annex. “-RC” suffix indicates RoHS compliance. 4.5 3.0 3.2 3.0 6.0 0.5 1.5 Pad Layout Dimensions: mm Tolerance: -/+ 0.2 Tel. (877) 426-8767 • Fax (951) 781-5006 4.18 www.bourns.com REV. 12/09