T PL IA N Features Applications Formerly Input/output of DC/DC converters *R oH S CO M model Current rating up to 25.4 A Toroidal core RoHS compliant* Industrial electronics Power supplies for: * Portable communications equipment * Camcorders * LCD TVs PM2120 Series - High Current SMD Power Inductors Inductance 1 kHz Bourns Part No. (H) Tol. (%) DCR Max. (m) PM2120-1R0M-RC PM2120-1R2M-RC PM2120-1R5M-RC PM2120-1R8M-RC PM2120-2R2M-RC PM2120-2R7M-RC PM2120-3R3M-RC PM2120-3R9M-RC PM2120-4R7M-RC PM2120-5R6M-RC PM2120-6R8M-RC PM2120-8R2M-RC PM2120-100K-RC PM2120-120K-RC PM2120-150K-RC PM2120-180K-RC PM2120-220K-RC PM2120-270K-RC PM2120-330K-RC PM2120-390K-RC PM2120-470K-RC PM2120-560K-RC PM2120-680K-RC PM2120-820K-RC PM2120-101K-RC PM2120-121K-RC PM2120-151K-RC PM2120-181K-RC PM2120-221K-RC PM2120-271K-RC PM2120-331K-RC PM2120-391K-RC PM2120-471K-RC PM2120-561K-RC PM2120-681K-RC PM2120-821K-RC PM2120-102K-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 20 20 20 20 20 20 20 20 20 20 20 20 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 2 2 3 3 3 3 4 4 5 5 6 6 7 8 9 9 11 12 13 14 19 21 29 32 35 39 43 47 52 72 100 108 119 130 142 157 215 Idc (A) Dim. A Max. mm/(in.) 25.4 25.4 22.0 22.0 19.7 19.7 18.0 18.0 16.6 15.6 14.7 14.7 13.9 12.7 12.2 11.8 11.0 10.4 10.1 9.6 8.2 7.9 6.7 6.4 6.1 5.8 5.5 5.3 5.0 4.2 3.6 3.5 3.3 3.2 3.0 2.9 2.5 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.83 / (0.82) 20.07 / (0.79) 20.07 / (0.79) 19.56 / (0.77) 22.10 / (0.87) 22.10 / (0.87) 22.10 / (0.87) 22.10 / (0.87) 21.08 / (0.83) 21.08 / (0.83) 20.32 / (0.80) 19.81 / (0.78) 19.81 / (0.78) 21.59 / (0.85) 21.59 / (0.85) 21.59 / (0.85) 21.59 / (0.85) 20.83 / (0.82) Test Voltage .................................... 0.1 V Operating Temperature ................................ -55 C to +105 C (Temperature rise included) Storage Temperature ...-55 C to +105 C Moisture Sensitivity Level .......................1 ...................N/A Materials Core .................................................. Iron Wire ............................ Enameled copper Adhesive ...............................Epoxy resin Terminal ................................... Sn/Ag/Cu Rated Current ......See "Inductance vs. Current" table Temperature Rise .............................. 30 C typical at Idc Packaging .......................77 pcs. per box Product Dimensions 30.5 0.5 (1.200 .0200) 25.4 (1.000) MAX. A Recommended Pad Layout 22.9 (0.900) 17.8 (0.700) Electrical Schematic Typical Part Marking PM2120-xxxx-RC 5.1 (0.200) DIMENSIONS: WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov MM (INCHES) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 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PM2120 Series - High Current SMD Power Inductors Inductance vs. Current L (H) Idc (A) to decrease L by 10 % Idc (A) to decrease L by 20 % Idc (A) to decrease L by 30 % Idc (A) to decrease L by 40 % Idc (A) to decrease L by 50 % 1 15.3 24.5 34.4 45.9 61.3 1.2 17.4 27.9 39.2 52.2 69.7 1.5 15.8 25.3 35.6 47.4 63.3 1.8 14.6 23.4 32.9 43.8 58.5 2.2 13.1 21.0 29.5 39.3 52.5 2.7 11.7 18.7 26.3 35.1 46.9 3.3 15.1 24.2 34.0 45.3 60.5 3.9 9.70 15.5 21.8 29.1 38.9 4.7 8.90 14.3 20.0 26.7 35.7 5.6 8.10 13.0 18.2 24.3 32.4 6.8 7.40 11.9 16.7 22.2 29.6 8.2 6.70 10.7 15.1 20.1 26.8 10 6.10 9.77 13.7 18.3 24.4 12 5.60 8.97 12.6 16.8 22.4 15 4.90 7.85 11.0 14.7 19.6 18 4.60 7.37 10.4 13.8 18.4 22 4.10 6.57 9.23 12.3 16.4 27 3.70 5.93 8.33 11.1 14.8 33 3.35 5.37 7.54 10.1 13.4 39 3.10 4.97 6.98 9.30 12.4 47 2.80 4.49 6.30 8.40 11.2 56 2.55 4.09 5.74 7.65 10.2 68 2.35 3.76 5.29 7.05 9.41 82 2.15 3.44 4.84 6.45 8.61 100 1.92 3.08 4.32 5.76 7.69 120 1.75 2.80 3.94 5.25 7.01 150 1.58 2.53 3.56 4.74 6.33 180 1.43 2.29 3.22 4.29 5.73 220 1.30 2.08 2.93 3.90 5.21 270 1.18 1.89 2.66 3.54 4.73 330 1.11 1.78 2.50 3.33 4.45 390 0.97 1.55 2.18 2.91 3.89 470 0.89 1.43 2.00 2.67 3.57 560 0.81 1.30 1.82 2.43 3.24 680 0.74 1.19 1.67 2.22 2.96 820 0.67 1.07 1.51 2.01 2.68 1000 0.61 0.98 1.37 1.83 2.44 REV. 03/18 Specifications are subject to change without notice. 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