Magnetics Make Possible Low Cost Medium Power Surface Mount Inductors MODEL HM79 Features Operating Temperature Range -40°C to +125°C Operating Frequency Up to 3MHz RoHS Compliant Specifications @ 25°C Inductance μH ± 20% (1) DC Resistance Ω Max . Rated Current (2) Amps HM79-101R0LF 1.0 0.048 2.56 HM79-101R4LF 1.4 0.056 2.52 HM79-101R8LF 1.8 0.063 HM79-102R2LF HM79-102R7LF HM79-103R3LF HM79-103R9LF HM79-104R7LF HM79-105R6LF HM79-106R8LF HM79-108R2LF HM79-10100LF HM79-10120LF HM79-10150LF HM79-10180LF HM79-10220LF HM79-10270LF HM79-10330LF HM79-201R0LF HM79-204R7LF HM79-206R8LF HM79-20100LF HM79-20120LF HM79-20150LF HM79-20180LF HM79-20220LF HM79-20270LF HM79-20330LF HM79-20390LF HM79-20470LF HM79-20560LF HM79-20680LF HM79-20820LF HM79-20101LF HM79-20121LF HM79-20151LF HM79-20181LF HM79-20221LF HM79-30100LF HM79-30120LF HM79-30150LF HM79-30180LF HM79-30220LF HM79-30270LF 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 1.0 4.7 6.8 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 10 12 15 18 22 27 0.071 0.078 0.086 0.093 0.108 0.125 0.131 0.146 0.182 0.210 0.235 0.338 0.378 0.522 0.540 0.015 0.057 0.060 0.10 0.12 0.14 0.15 0.18 0.20 0.23 0.32 0.37 0.42 0.46 0.60 0.70 0.93 1.10 1.38 1.57 0.080 0.089 0.104 0.111 0.129 0.153 Part Number Inductance μH ± 20% (1) DC Resistance Ω Max . Rated Current (2) Amps HM79-30330LF 33 0.170 0.85 HM79-30390LF 39 0.217 0.74 1.95 HM79-30470LF 47 0.252 0.68 1.75 1.58 1.44 1.33 1.15 0.99 0.95 0.84 1.04 0.97 0.85 0.74 1.00 0.62 0.56 8.00 5.50 2.00 1.44 1.40 1.30 1.23 1.11 0.97 0.88 0.80 0.72 0.68 0.61 0.58 0.52 0.48 0.40 0.38 0.35 1.44 1.39 1.24 1.12 1.07 0.94 HM79-30560LF HM79-30680LF HM79-30820LF HM79-30101LF HM79-30121LF HM79-30151LF HM79-30181LF HM79-30221LF HM79-30271LF HM79-30331LF HM79-40100LF HM79-40120LF HM79-40150LF HM79-40180LF HM79-40220LF HM79-40270LF HM79-40330LF HM79-40390LF HM79-40470LF HM79-40560LF HM79-40680LF HM79-40820LF HM79-40101LF HM79-40121LF HM79-40151LF HM79-40181LF HM79-40221LF HM79-40271LF HM79-40331LF HM79-40391LF HM79-40471LF HM79-452R3LF HM79-461R5LF HM79-50100LF HM79-50120LF HM79-50150LF HM79-50180LF HM79-50220LF HM79-50270LF HM79-50330LF HM79-50390LF 56 68 82 100 120 150 180 220 270 330 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 2.3 1.5 10 12 15 18 22 27 33 39 0.282 0.332 0.406 0.481 0.536 0.755 1.022 1.200 1.306 1.495 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.16 0.18 0.24 0.28 0.37 0.43 0.47 0.64 0.71 0.96 1.11 1.26 1.77 1.96 0.008 0.005 0.053 0.061 0.070 0.081 0.088 0.100 0.120 0.151 0.64 0.59 0.54 0.51 0.49 0.40 0.36 0.31 0.29 0.28 2.30 2.00 1.80 1.60 1.50 1.30 1.20 1.10 1.00 0.94 0.85 0.78 0.72 0.66 0.58 0.51 0.49 0.42 0.40 0.36 0.34 9.00 14.00 2.38 2.13 1.87 1.73 1.60 1.44 1.26 1.20 Part Number General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. www.ttelectronicsmagnetics.com © TT Electronics plc Rev. 01 Low Cost Medium Power Surface Mount Inductors Make Possible MODEL HM79 Specifications @ 25°C Inductance μH ± 20% (1) DC Resistance Ω Max . Rated Current (2) Amps HM79-50470LF 47 0.170 1.10 HM79-50560LF 56 0.199 1.01 HM79-50680LF 68 0.223 HM79-50820LF HM79-50101LF HM79-50121LF HM79-50151LF HM79-50181LF HM79-50221LF HM79-50271LF HM79-50331LF HM79-50391LF HM79-50471LF HM79-50561LF HM79-60100LF HM79-60120LF HM79-60150LF HM79-60180LF HM79-60220LF 82 100 120 150 180 220 270 330 390 470 560 10 12 15 18 22 0.252 0.344 0.396 0.544 0.621 0.721 0.949 1.100 1.245 1.526 1.904 0.06 0.07 0.08 0.09 0.10 Part Number Notes: Inductance μH ± 20% (1) DC Resistance Ω Max . Rated Current (2) Amps HM79-60270LF 27 0.11 1.76 HM79-60330LF 33 0.12 1.50 0.91 HM79-60390LF 39 0.14 1.37 0.85 0.74 0.69 0.61 0.56 0.53 0.45 0.42 0.38 0.35 0.32 2.60 2.45 2.27 2.15 1.95 HM79-60470LF HM79-60560LF HM79-60680LF HM79-60820LF HM79-60101LF HM79-60121LF HM79-60151LF HM79-60181LF HM79-60221LF HM79-60271LF HM79-60331LF HM79-60391LF HM79-60471LF HM79-60561LF HM79-60681LF HM79-60821LF 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 0.17 0.19 0.22 0.25 0.35 0.40 0.47 0.63 0.73 0.97 1.15 1.30 1.48 1.90 2.25 2.55 1.28 1.17 1.11 1.00 0.97 0.89 0.78 0.72 0.66 0.57 0.52 0.48 0.42 0.33 0.28 0.24 Part Number (1) Test conditions for case sizes 10, 20, 45 & 46 = 100kHz, 0.1 Vrms without DC current. Inductance for case sizes 30, 40, 50 & 60 is measured at 1kHz without DC current. (2) Rated DC current is the approximate current at which inductance will be decreased by 10% from its initial (zero DC) value or the DC current at which ΔT = 40°C, whichever is lower. Outline Dimensions (Inch/mm) / Packaging Top View Side View Bottom View Recommended Solder Pad Layout Case size A B C D E F G Reel Capacity 10 .177 4.5 .158 4.0 .126 3.2 .177 4.5 .205 5.2 .059 1.5 .069 1.75 1500 20 .228 5.8 .205 5.2 .177 4.5 .228 5.8 .240 6.1 .067 1.7 .085 2.15 1500 30 .307 7.8 .276 7.0 .140 3.5 .315 8.0 .315 8.0 .079 2.0 .118 3.0 1000 40 .307 7.8 .276 7.0 .199 5.0 .315 8.0 .315 8.0 .079 2.0 .118 3.0 1000 45 .307 7.8 .276 7.0 .228 5.8 .315 8.0 .315 8.0 .079 2.0 .118 3.0 800 46 .307 7.8 276 7.0 .307 7.8 .315 8.0 .315 8.0 .079 2.0 .118 3.0 500 50 .394 10.0 .354 9.0 .158 4.0 .394 10.0 .394 10.0 .098 2.5 .148 3.75 1000 60 .394 10.0 .354 9.0 .213 5.4 .394 10.0 .394 10.0 .098 2.5 .148 3.75 500 Ordering Information HM79 - 30 101 LF TR13 Model Series Case Size: 10, 20, 30, 40, 45, 46, 50, 60 TR - Tape & Reel Packing 13 - 13” reel Lead Free Inductance Code: First 2 digits are significant. Last digit denotes the number of trailing zeros. For values below 10μH, ‘R’ denotes the decimal point. General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. www.ttelectronicsmagnetics.com © TT Electronics plc Rev. 01