shielded surface mount inductors models hm78d1210xxxmlf ma ke p ossibl e magnetcs features operatng temperature range -40c to +125c temperature rise, maximum 40c ideal for sepic applicatons, high inductance, high efciency and excellent current handling in rugged, low cost part use as dc-dc converter and in applicatons like hand phones, cd/dvd player, digital camera, gps system. also used as two single inductors connected series or parallel or as 1:1 transformer rohs compliant electrical schematc specifcatons @ 25c parallel mod e autotr an sf or me r an d se ri es m odes co up le d in duct or , tran sfor me r an d sepic mode s leads connected in parallel leads connected in series part number l (h) dcr max (?) irated (a) isat (a) irms (a) l (h) dcr max (?) irated (a) isat (a) irms (a) hm78d-12104r7mlf 4.7020% 0.014 10.60 18.00 3.250 18.8025% 0.056 5.30 9.00 1.625 hm78d-12106r8mlf 6.8020% 0.017 10.40 14.20 3.100 27.2025% 0.068 5.20 7.10 1.550 hm78d-12108r2mlf 8.2020% 0.018 9.50 12.85 2.250 32.8025% 0.072 4.75 6.45 1.125 hm78d-1210100mlf 10.0020% 0.020 8.60 11.75 3.200 41.1225% 0.080 4.30 5.85 1.600 hm78d-1210220mlf 22.0020% 0.040 5.40 8.20 2.700 88.0025% 0.160 2.70 4.10 1.350 hm78d-1210330mlf 33.0020% 0.050 4.50 6.60 2.000 132.0025% 0.200 2.25 3.30 1.000 HM78D-1210470MLF 47.0020% 0.065 3.70 5.50 1.900 188.0025% 0.260 1.85 2.75 0.950 hm78d-1210560mlf 56.0020% 0.081 3.28 4.90 0.850 224.0025% 0.324 1.64 2.45 0.425 hm78d-1210680mlf 68.0020% 0.098 2.96 4.45 0.800 272.0025% 0.392 1.48 2.20 0.400 hm78d-1210101mlf 100.0020% 0.128 2.54 3.70 0.700 400.0025% 0.512 1.27 1.85 0.350 hm78d-1210121mlf 120.0020% 0.170 2.38 3.40 0.630 480.0025% 0.680 1.19 1.70 0.315 hm78d-1210331mlf 330.0020% 0.440 1.32 2.10 0.410 1320.0025% 1.760 0.66 1.05 0.205 hm78d-1210471mlf 470.0020% 0.570 1.22 1.80 0.300 1880.0025% 2.280 0.61 0.90 0.150 mechanical outline (mm) recommended pc b pa tern notes : (1) inductance is measured at 100khz, 0.1vrms, 0adc. (2) when leads connected in parallel, dcr is half the value. when lead connected in series, dcr is twice the value (3) isat current is the saturaton current at which inductance rolls of approximately 30% from its inital (zero dc) value. (4) irms equals dc current, that causes component to increase by 40c from 25c ambient. (5) irated current is the rated current at which inductance rolls of approximately 10% from its inital (zero dc) value. rev. 01 general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. ? tt electronics plc www.telectronicsmagnetcs.com
surface mount coupled inductors models hm78d1210xxxmlf ma ke p ossibl e packaging ordering informaton 1) tape and reel packaging. 2) 300pcs per 13 reel. hm78d-1210 xxx m lf tr model series inductance code: first 2 digits are signifcant. last digit denotes the number of trailing zeros. for values below 10uh, r denotes the decimal point. tape & reel packing lead-free inductance tolerance k=10% m=20% rev. 01 general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. ? tt electronics plc www.telectronicsmagnetcs.com
shielded surface mount coupled inductors models hm78d-128xxxxlf, hm78d-755xxxmlf ma ke p ossibl e magnetcs operatng temperature range -40c to +125c temperature rise, maximum 40c operatng frequency up to 3mhz rohs compliant specifcatons @ 25c electrical schematc parallel connecton series connecton part number l (1) (h) dcr typ. (2) (?) l sat (3) (a) l rms (4) (a) l (1) (h) dcr typ. (2) (?) l sat (3) (a) l rms (4) (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 coupled inductors, transformer and sepic mode autotransformer and series mode parallel mode rev. 01 general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. ? tt electronics plc www.telectronicsmagnetcs.com
shielded surface mount coupled inductors models hm78d-128xxxxlf, hm78d-755xxxmlf ma ke p ossibl e hm78d - 128 4r7 m lf tr ordering informaton model series case size: 128, 755 inductance code: first 2 digits are signifcant. last digit denotes the number of trailing zeros. for values below 10h, r denotes the decimal point. tape & reel packing lead-free inductance tolerance k = 10% m = 20% specifcatons @ 25c contnued parallel connecton series connecton part number l (1) (h) dcr typ. (2) (?) l sat (3) (a) l rms (4) (a) l (1) (h) dcr typ. (2) (?) l sat (3) (a) l rms (4) (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 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 5.0 5.0 3.5 1.5 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 3.9 2.7 1.55 0.72 2.2 2.8 3.1 1.0 7.5 2.2 3.1 1.0 2.2 2.8 3.1 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 sat is the saturaton current at which inductance rolls of approximately 30% from its inital (zero dc) value. (4) i rms is the approximate current at which t = 40c. standard: embossed tape and reel reel: diameter: = 13 (330.2mm) capacity: case size 128 = 500 units case size 755 = 1,000 units packaging outline dimensions (mm) top view side view bottom view recommended solder pad layout rev. 01 general note tt electronics reserves the right to make changes in product specifcaton without notce or liability. all informaton is subject to tt electronics own data and is considered accurate at tme of going to print. ? tt electronics plc www.telectronicsmagnetcs.com
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