MODEL HM50 & HM51 Miniature Power Inductors FEATURES AND BENEFITS Low DCR, high current High saturation ux density, optimum current handling capability Low cost Small size axial leads Low temperature rise Wound ferrite design, insulated with PVC sleeve APPLICATIONS Designed for use with: Linear Technology models LT1073, LT1173 National Semiconductor model LM2574 Unitrode model UC2575 Buck or boost, DC to DC power conversion SCR and triac controls 6 EMI suppression Output ripple current lters ELECTRICAL / ENVIRONMENTAL Inductance Range HM50: 3.9H to 18,000H HM51: 3.9H to 10,000H Standard Tolerance 10% Operating Temperature Range -55C to +105C Insulation System Class B, 130C Specications subject to change without notice. Last update: 03/17/03. 6-89 Model HM50 & HM51SPECIFICATIONS Inductance Rated INCR (1) (2) (3) Part Nominal DC IDC IDC Number H 10% Resistance Amps Amps HM50-3R9K 3.9 .019 3.60 7.30 HM50-4R7K 4.7 .022 3.40 6.30 HM50-5R6K 5.6 .024 3.20 5.60 HM50-6R8K 6.8 .026 3.10 5.30 HM50-8R2K 8.2 .028 3.00 4.50 HM50-100K 10 .033 2.80 4.10 HM50-120K 12 .037 2.60 3.60 HM50-150K 15 .040 2.50 3.30 HM50-180K 18 .044 2.40 3.00 HM50-220K 22 .050 2.23 2.70 HM50-270K 27 .056 2.10 2.50 HM50-330K 33 .076 1.81 2.20 HM50-390K 39 .094 1.63 2.00 HM50-470K 47 .109 1.51 1.80 HM50-560K 56 .140 1.33 1.70 HM50-680K 68 .131 1.31 1.50 HM50-820K 82 .152 1.30 1.40 HM50-101K 100 .208 1.10 1.20 HM50-121K 120 .283 0.94 1.10 HM50-151K 150 .340 0.86 1.00 HM50-181K 180 .362 0.83 0.95 HM50-221K 220 .430 0.76 0.86 HM50-271K 270 .557 0.67 0.77 HM50-331K 330 .665 0.61 0.70 HM50-391K 390 .772 0.57 0.64 HM50-471K 470 1.15 0.47 0.59 HM50-561K 560 1.27 0.44 0.54 HM50-681K 680 1.61 0.40 0.49 HM50-821K 820 1.96 0.36 0.44 HM50-102K 1000 2.30 0.33 0.40 HM50-122K 1200 2.65 0.30 0.35 HM50-152K 1500 3.45 0.27 0.33 HM50-182K 1800 4.03 0.25 0.29 HM50-222K 2200 4.48 0.23 0.27 HM50-272K 2700 5.40 0.21 0.24 HM50-332K 3300 6.56 0.20 0.22 HM50-392K 3900 8.63 0.17 0.20 HM50-472K 4700 9.66 0.16 0.18 HM50-562K 5600 13.9 0.13 .166 HM50-682K 6800 16.3 0.12 .151 HM50-822K 8200 20.8 0.11 .136 HM50-103K 10000 26.4 0.10 .125 HM50-123K 12000 29.9 0.09 .114 Notes: (1) Inductance measured at 1kHz without DC current. (2) The rated DC current is based on an approximate 20C temperature rise. (3) The incremental current (INCR I) is the approximate current at which the inductance will be decreased by 5% from its initial (zero DC) value due to saturation. 6-90 Model HM50 & HM51