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| 22.9 (0.900) 30.5 0.5 (1.200 .0200) 5.1 (0.200) 17.8 (0.700) 25.4 (1.000) max. a features formerly model current rating up to 25.4 a toroidal core rohs compliant* applications input/output of dc/dc converters industrial electronics power supplies for: ?portable communications equipment ?camcorders ?lcd tvs ?car radios pm2120 series - high current smd power inductors *rohs directive 2002/95/ec jan 27 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. electrical speci cations general speci cations test voltage .................................... 0.1 v re ow soldering .......245 ?; 5 seconds operating temperature ............................... -55 ? to +105 ? (temperature rise included) storage temperature .. -55 ? to +105 ? resistance to soldering heat ...........................260 ?, 10 sec. max. materials core .................................................. iron wire ............................ enameled copper adhesive ...............................epoxy resin terminal ...................................sn/ag/cu rated current .....see ?nductance vs. current?table temperature rise ..............................30 ? typical at idc packaging ...................... 77 pcs. per box j.w. miller bourns part no. inductance 1 khz dcr max. (m ) idc (a) dim. a max. mm/(in.) ( h) tol. (%) pm2120-1r0m-rc 1.0 ?0 2 25.4 20.83 / (0.82) PM2120-1R2M-RC 1.2 ?0 2 25.4 20.83 / (0.82) pm2120-1r5m-rc 1.5 ?0 3 22.0 20.83 / (0.82) pm2120-1r8m-rc 1.8 ?0 3 22.0 20.83 / (0.82) pm2120-2r2m-rc 2.2 ?0 3 19.7 20.83 / (0.82) pm2120-2r7m-rc 2.7 ?0 3 19.7 20.83 / (0.82) pm2120-3r3m-rc 3.3 ?0 4 18.0 20.83 / (0.82) pm2120-3r9m-rc 3.9 ?0 4 18.0 20.83 / (0.82) pm2120-4r7m-rc 4.7 ?0 5 16.6 20.83 / (0.82) pm2120-5r6m-rc 5.6 ?0 5 15.6 20.83 / (0.82) pm2120-6r8m-rc 6.8 ?0 6 14.7 20.83 / (0.82) pm2120-8r2m-rc 8.2 ?0 6 14.7 20.83 / (0.82) pm2120-100k-rc 10 ?0 7 13.9 20.83 / (0.82) pm2120-120k-rc 12 ?0 8 12.7 20.83 / (0.82) pm2120-150k-rc 15 ?0 9 12.2 20.83 / (0.82) pm2120-180k-rc 18 ?0 9 11.8 20.83 / (0.82) pm2120-220k-rc 22 ?0 11 11.0 20.83 / (0.82) pm2120-270k-rc 27 ?0 12 10.4 20.83 / (0.82) pm2120-330k-rc 33 ?0 13 10.1 20.83 / (0.82) pm2120-390k-rc 39 ?0 14 9.6 20.83 / (0.82) pm2120-470k-rc 47 ?0 19 8.2 20.07 / (0.79) pm2120-560k-rc 56 ?0 21 7.9 20.07 / (0.79) pm2120-680k-rc 68 ?0 29 6.7 19.56 / (0.77) pm2120-820k-rc 82 ?0 32 6.4 20.10 / (0.87) pm2120-101k-rc 100 ?0 35 6.1 20.10 / (0.87) pm2120-121k-rc 120 ?0 39 5.8 20.10 / (0.87) pm2120-151k-rc 150 ?0 43 5.5 20.10 / (0.87) pm2120-181k-rc 180 ?0 47 5.3 21.08 / (0.83) pm2120-221k-rc 220 ?0 52 5.0 21.08 / (0.83) pm2120-271k-rc 270 ?0 72 4.2 20.32 / (0.80) pm2120-331k-rc 330 ?0 100 3.6 19.81 / (0.78) pm2120-391k-rc 390 ?0 108 3.5 19.81 / (0.78) pm2120-471k-rc 470 ?0 119 3.3 21.59 / (0.85) pm2120-561k-rc 560 ?0 130 3.2 21.59 / (0.85) pm2120-681k-rc 680 ?0 142 3.0 21.59 / (0.85) pm2120-821k-rc 820 ?0 157 2.9 21.59 / (0.85) pm2120-102k-rc 1000 ?0 215 2.5 20.83 / (0.82) product dimensions recommended pad layout dimensions: mm (inches) electrical schematic typical part marking pm2120-xxxx-rc *rohs compliant
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. pm2120 series - high current smd power inductors rev. 03/10 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 |
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