Shielded Surface Mount Coupled Inductors MODELS HM78D-128XXXXLF, HM78D-755XXXMLF Operating Temperature Range -40C to +125C Temperature Rise, Maximum 40C Operating Frequency Up to 3MHz RoHS Compliant Electrical Schematic Specifications 25C Parallel Connection Series Connection (1) (2) (3) (4) (1) (2) (3) (4) L DCR Typ. l l L DCR Typ. l l sat rms sat rms Part Number (H) () (A) (A) (H) () (A) (A) HM78D-1284R7MLF 4.7 20% 0.019 14.90 7.40 18.8 25% 0.076 7.70 3.60 HM78D-1285R6MLF 5.6 20% 0.023 13.40 7.20 22.4 25% 0.092 6.60 3.50 HM78D-1286R8MLF 6.8 20% 0.024 13.10 6.90 27.2 25% 0.096 6.40 3.40 HM78D-1288R2MLF 8.2 20% 0.025 10.80 6.60 32.8 25% 0.100 5.60 3.30 HM78D-128100MLF 10 20% 0.029 10.50 6.20 40 25% 0.116 5.40 3.20 HM78D-128120MLF 12 20% 0.031 9.60 6.00 48 25% 0.124 4.80 2.90 HM78D-128150MLF 15 20% 0.036 9.10 5.80 60 25% 0.144 4.30 2.70 HM78D-128180MLF 18 20% 0.040 8.00 5.50 72 25% 0.158 3.90 2.50 HM78D-128220MLF 22 20% 0.048 6.80 5.20 88 25% 0.190 3.50 2.20 HM78D-128270MLF 27 20% 0.060 6.50 4.70 108 25% 0.240 3.40 2.00 HM78D-128330MLF 33 20% 0.075 5.60 4.20 132 25% 0.300 3.10 1.70 HM78D-128390MLF 39 20% 0.080 5.50 3.60 156 25% 0.320 2.80 1.60 HM78D-128470MLF 47 20% 0.090 5.20 3.00 188 25% 0.360 2.60 1.50 HM78D-128560MLF 56 20% 0.095 4.50 2.80 224 25% 0.380 2.40 1.40 HM78D-128680MLF 68 20% 0.105 4.10 2.60 272 25% 0.420 2.10 1.30 HM78D-128820MLF 82 20% 0.140 3.80 2.30 328 25% 0.560 1.90 1.20 HM78D-128101MLF 100 20% 0.150 3.40 2.00 400 25% 0.600 1.70 1.10 HM78D-128121KLF 120 10% 0.205 3.20 1.90 480 25% 0.820 1.60 1.00 HM78D-128151KLF 150 10% 0.230 2.80 1.80 600 25% 0.920 1.40 0.89 HM78D-128181KLF 180 10% 0.255 2.50 1.70 720 25% 1.02 1.30 0.84 HM78D-128221KLF 220 10% 0.345 2.30 1.60 880 25% 1.38 1.10 0.75 HM78D-128271KLF 270 10% 0.450 2.10 1.50 1080 25% 1.80 1.00 0.71 HM78D-128331KLF 330 10% 0.510 1.90 1.30 1320 25% 2.04 0.92 0.62 HM78D-128391KLF 390 10% 0.560 1.70 1.10 1560 25% 2.24 0.84 0.53 HM78D-128471KLF 470 10% 0.765 1.60 0.87 1880 25% 3.06 0.80 0.43 HM78D-128561KLF 560 10% 0.845 1.50 0.83 2240 25% 3.38 0.73 0.40 HM78D-128681KLF 680 10% 1.145 1.30 0.76 2720 25% 4.58 0.63 0.36 HM78D-128821KLF 820 10% 1.275 1.20 0.69 4000 30% 5.10 0.58 0.33 HM78D-128102KLF 1000 10% 1.415 1.10 0.60 4800 30% 5.66 0.56 0.30 HM78D-755R33MLF 0.33 20% 0.0074 18.4 0 6.20 1.176 20% 0.0295 9.18 3.10 HM78D-7551R0MLF 1.0 20% 0.0100 10.20 5.33 3.808 20% 0.0400 5.10 2.66 HM78D-7551R5MLF 1.5 20% 0.0115 8.35 4.96 5.688 20% 0.0461 4.17 2.48 HM78D-7552R2MLF 2.2 20% 0.0130 7.06 4.66 7.944 20% 0.0521 3.53 2.33 HM78D-7553R3MLF 3.3 20% 0.0183 5.40 3.94 13.58 20% 0.0732 2.70 1.97 HM78D-7554R7MLF 4.7 20% 0.0254 4.37 3.34 20.73 20% 0.102 2.19 1.67 BI Technologies Gen eral Note A-1445, Jalan Tanjung Api T T Electronics reser ves the right to make changes in product specification without notice or liability. 25050 Kuantan All information is subject to T T Electronics own data and is considered accurate at time of going to print. Pahang Darul Makmur Malaysia Ph: +60 9 565 8888 Fax: +60 9 514 3555 TT Electronics plc Shielded Surface Mount Coupled Inductors MODELS HM78D-128XXXXLF, HM78D-755XXXMLF Specifications 25C continued Parallel Connection Series Connection (1) (2) (3) (4) (1) (2) (3) (4) L DCR Typ. l l L DCR Typ. l l sat rms sat rms Part Number (H) () (A) (A) (H) () (A) (A) HM78D-7556R8MLF 6.8 20% 0.0418 3.67 2.60 29.38 20% 0.167 1.84 1.30 HM78D-7558R2MLF 8.2 20% 0.0441 3.40 2.53 34.26 20% 0.177 1.70 1.27 HM78D-755100MLF 10 20% 0.0489 3.17 2.41 39.53 20% 0.196 1.58 1.20 HM78D-755150MLF 15 20% 0.0637 2.48 2.11 64.36 20% 0.255 1.24 1.05 HM78D-755220MLF 22 20% 0.0925 2.13 1.75 86.92 20% 0.371 1.07 0.874 HM78D-755330MLF 33 20% 0.143 1.73 1.41 132 20% 0.574 0.87 0.702 HM78D-755470MLF 47 20% 0.216 1.41 1.15 198.6 20% 0.865 0.71 0.573 HM78D-755680MLF 68 20% 0.265 1.19 1.03 278.7 20% 1.06 0.60 0.517 HM78D-755820MLF 82 20% 0.345 1.11 0.91 323.8 20% 1.38 0.55 0.453 HM78D-755101MLF 100 20% 0.383 0.99 0.86 406.4 20% 1.53 0.49 0.430 HM78D-755151MLF 150 20% 0.591 0.81 0.69 600 20% 2.37 0.41 0.346 HM78D-755221MLF 220 20% 0.907 0.66 0.56 908 20% 3.63 0.33 0.279 HM78D-755331MLF 330 20% 1.41 0.54 0.45 1342 20% 5.66 0.27 0.224 HM78D-755471MLF 470 20% 1.74 0.46 0.40 1861 20% 6.97 0.23 0.202 HM78D-755681MLF 680 20% 2.58 0.38 0.33 2685 20% 10.30 0.19 0.166 HM78D-755821MLF 820 20% 2.93 0.35 0.31 3251 20% 11.70 0.17 0.156 HM78D-755102MLF 1000 20% 3.89 0.31 0.27 4036 20% 15.60 0.16 0.135 Notes: (1) Inductance is measured at 100 kHz, 0.1Vrms without DC current. (2) DCR Typ. is only for 755 series while 128 series is of DCR Max. (3) I is the saturation current at which inductance rolls off approximately 30% from its initial (zero DC) value. sat (4) I is the approximate current at which T = 40C. rms Outline Dimensions (mm) Top View Side View Bottom View Recommended Solder Pad Layout Case Size A B C D E F G H I J K L M N P Q R S 128 12.5 12.5 8.05 7.0 5.0 2.5 1.7 4.2 5.5 4.5 2.0 12.8 4.2 4.5 2.0 4.2 5.5 4.5 755 7.7 7.7 4.8 4.1 2.7 1.45 0.80 2.2 2.8 3.1 1.0 7.5 2.2 3.1 1.0 2.2 2.8 3.1 Packaging Embossed Tape and Reel Reel: Diameter: = 13 (330.2mm) Standard: Capacity: Case size 128 = 500 Units Case size 755 = 1,000 Units Ordering Information HM78D - 128 4R7 M LF TR Model Series Tape & Reel Packing Case Size: Lead-Free 128, 755 Inductance Tolerance Inductance Code: K = 10% First 2 digits are significant. Last digit denotes M = 20% the number of trailing zeros. For values below 10H, R denotes the decimal point. BI Technologies Gen eral Note A-1445, Jalan Tanjung Api T T Electronics reser ves the right to make changes in product specification without notice or liability. 25050 Kuantan All information is subject to T T Electronics own data and is considered accurate at time of going to print. Pahang Darul Makmur Malaysia Ph: +60 9 565 8888 Fax: +60 9 514 3555 TT Electronics plc