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MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
108
DC Rated
Part Inductance Resistance Current (2)
Number µH ± 20% (1) W Max. Amps Figure
HM78-10100LF 10 0.08 1.00 1
HM78-10120LF 12 0.09 0.94 1
HM78-10150LF 15 0.12 0.86 1
HM78-10180LF 18 0.13 0.78 1
HM78-10220LF 22 0.15 0.76 1
HM78-10270LF 27 0.21 0.64 1
HM78-10330LF 33 0.25 0.61 1
HM78-10390LF 39 0.31 0.53 1
HM78-10470LF 47 0.35 0.50 1
HM78-10560LF 56 0.43 0.46 1
HM78-10680LF 68 0.52 0.42 1
HM78-20100LF 10 0.055 1.65 1
HM78-20120LF 12 0.073 1.50 1
HM78-20150LF 15 0.081 1.34 1
HM78-20180LF 18 0.102 1.22 1
HM78-20220LF 22 0.115 1.10 1
HM78-20270LF 27 0.159 1.00 1
HM78-20330LF 33 0.182 0.90 1
HM78-20390LF 39 0.199 0.83 1
HM78-20470LF 47 0.221 0.75 1
HM78-20560LF 56 0.306 0.69 1
HM78-20680LF 68 0.345 0.63 1
HM78-20820LF 82 0.39 0.57 1
HM78-20101LF 100 0.432 0.52 1
HM78-20121LF 120 0.44 0.47 1
HM78-20151LF 150 0.73 0.42 1
HM78-20181LF 180 0.78 0.38 1
HM78-20221LF 220 0.94 0.35 1
HM78-20271LF 270 1.25 0.31 1
HM78-30100LF 10 0.072 1.68 2
HM78-30120LF 12 0.098 1.52 2
HM78-30150LF 15 0.13 1.33 2
HM78-30180LF 18 0.14 1.20 2
HM78-30220LF 22 0.19 1.07 2
HM78-30270LF 27 0.21 0.96 2
HM78-30330LF 33 0.24 0.91 2
HM78-30390LF 39 0.32 0.77 2
HM78-30470LF 47 0.36 0.76 2
HM78-30560LF 56 0.47 0.68 2
HM78-30680LF 68 0.52 0.61 2
HM78-30820LF 82 0.69 0.57 2
HM78-30101LF 100 0.79 0.50 2
HM78-30121LF 120 0.89 0.49 2
HM78-30151LF 150 1.27 0.43 2
HM78-30181LF 180 1.45 0.39 2
HM78-30221LF 220 1.65 0.35 2
HM78-30271LF 270 2.31 0.32 2
HM78-30331LF 330 2.62 0.28 2
HM78-30391LF 390 2.94 0.26 2
HM78-30471LF 470 4.18 0.24 2
HM78-30102LF 1000 6.50 0.16 2
HM78-40100LF 10 0.049 2.00 2
HM78-40120LF 12 0.058 1.71 2
HM78-40150LF 15 0.081 1.47 2
HM78-40180LF 18 0.091 1.31 2
HM78-40220LF 22 0.11 1.23 2
HM78-40270LF 27 0.15 1.12 2
HM78-40330LF 33 0.17 1.00 2
HM78-40390LF 39 0.23 0.91 2
HM78-40470LF 47 0.26 0.88 2
HM78-40560LF 56 0.35 0.75 2
HM78-40680LF 68 0.38 0.69 2
HM78-40820LF 82 0.43 0.61 2
HM78-40101LF 100 0.61 0.60 2
HM78-40121LF 120 0.66 0.52 2
HM78-40151LF 150 0.88 0.46 2
HM78-40181LF 180 0.98 0.42 2
HM78-40221LF 220 1.17 0.36 2
HM78-40271LF 270 1.64 0.34 2
HM78-40331LF 330 1.86 0.32 2
HM78-40391LF 390 2.85 0.29 2
HM78-40471LF 470 3.01 0.26 2
HM78-40561LF 560 3.62 0.23 2
HM78-40681LF 680 4.63 0.22 2
HM78-40821LF 820 5.20 0.20 2
HM78-453R9LF 3.9 0.015 6.5 3
HM78-454R7LF 4.7 0.018 5.7 3
HM78-456R8LF 6.8 0.023 4.9 3
HM78-45100LF 10 0.028 4.5 3
HM78-45120LF 12 0.038 4.0 3
HM78-45150LF 15 0.050 3.2 3
HM78-45180LF 18 0.057 3.1 3
HM78-45220LF 22 0.066 2.9 3
HM78-45270LF 27 0.080 2.8 3
HM78-45330LF 33 0.097 2.7 3
HM78-45390LF 39 0.132 2.1 3
HM78-45470LF 47 0.150 1.9 3
HM78-45560LF 56 0.190 1.8 3
Specifications @ 25°C
DC Rated
Part Inductance Resistance Current (2)
Number µH ± 20% (1) W Max. Amps Figure
• Operating Temperature Range -40°C to +125°C
• InsulationSystem ClassF,155°C
• TemperatureRise,Maximum 40°C
• OperatingFrequency Upto3MHz
HM78
Electrical / Environmental
ShieldedSurfaceMountInductors
RoHS
Compliant
LastUpdated:4May2009
2009/10 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE
We reserve the right to change specifications without prior notice.
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109
DC Rated
Part Inductance Resistance Current (2)
Number µH ± 20% (1) W Max. Amps Figure
DC Rated
Part Inductance Resistance Current (2)
Number µH ± 20% (1) W Max. Amps Figure
HM78-50151LF 150 0.23 1.0 3
HM78-50181LF 180 0.29 0.9 3
HM78-50221LF 220 0.40 0.8 3
HM78-50271LF 270 0.46 0.75 3
HM78-50331LF 330 0.51 0.68 3
HM78-50391LF 390 0.69 0.65 3
HM78-50471LF 470 0.77 0.58 3
HM78-50561LF 560 0.86 0.54 3
HM78-50681LF 680 1.20 0.48 3
HM78-50821LF 820 1.34 0.43 3
HM78-50102LF 1000 1.53 0.40 3
HM78-50182LF 1800 3.20 0.30 3
HM78-601R4LF 1.4±30% 0.007 12.0 3
HM78-602R4LF 2.4±30% 0.012 8.0 3
HM78-603R9LF 3.9±30% 0.014 7.5 3
HM78-604R7LF 4.7±30% 0.016 6.8 3
HM78-605R6LF 5.6±30% 0.018 6.6 3
HM78-607R6LF 7.6±30% 0.020 5.9 3
HM78-60100LF 10 0.022 5.4 3
HM78-60120LF 12 0.025 4.9 3
HM78-60150LF 15 0.027 4.5 3
HM78-60180LF 18 0.039 3.9 3
HM78-60220LF 22 0.043 3.6 3
HM78-60270LF 27 0.046 3.4 3
HM78-60330LF 33 0.065 3.0 3
HM78-60390LF 39 0.073 2.75 3
HM78-60470LF 47 0.085 2.5 3
HM78-60221LF 220 0.37 1.2 3
Specifications @ 25°C (Cont’d)
Notes: (1)Inductanceismeasuredat1.0kHz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∆T=40°C,whicheverislower.
HM78-45680LF 68 0.220 1.5 3
HM78-45820LF 82 0.260 1.3 3
HM78-45101LF 100 0.308 1.2 3
HM78-45121LF 120 0.380 1.1 3
HM78-45151LF 150 0.530 0.95 3
HM78-45181LF 180 0.620 0.85 3
HM78-45221LF 220 0.700 0.80 3
HM78-45271LF 270 0.876 0.60 3
HM78-45331LF 330 0.990 0.50 3
HM78-501R5LF 1.5±25% 0.012 13.0 3
HM78-502R2LF 2.2±25% 0.014 7.0 3
HM78-503R1LF 3.1±25% 0.017 6.0 3
HM78-504R4LF 4.4±25% 0.020 5.0 3
HM78-505R2LF 5.2±25% 0.021 4.4 3
HM78-507R5LF 7.5±25% 0.024 4.2 3
HM78-50100LF 10 0.025 4.0 3
HM78-50120LF 12 0.027 3.5 3
HM78-50150LF 15 0.030 3.3 3
HM78-50180LF 18 0.034 3.0 3
HM78-50220LF 22 0.036 2.8 3
HM78-50270LF 27 0.051 2.3 3
HM78-50330LF 33 0.057 2.1 3
HM78-50390LF 39 0.068 2.0 3
HM78-50470LF 47 0.075 1.8 3
HM78-50560LF 56 0.11 1.7 3
HM78-50680LF 68 0.12 1.5 3
HM78-50820LF 82 0.14 1.4 3
HM78-50101LF 100 0.16 1.5 3
HM78-50121LF 120 0.17 1.1 3
Schematic
Packaging
Standard: Embossed Tape and Reel
Reel: Diameter: = 13” (330.2mm)
Capacity: Case size 10, 30, 40 = 1,000 Units
Case size 20, 45, 50, 60 = 500 Units
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MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
110
Outline Dimensions (Inch/mm)
Ordering Information
Inductance Code:
First2digitsaresignicant.Lastdigitdenotes
the number of trailing zeros. For values below
10µH, “R” denotes the decimal point.
Model Series
Case Size/Body Style:
10 (Figure 1) 45 (Figure 3)
20 (Figure 1) 50 (Figure 3)
30 (Figure 2) 60 (Figure 3)
40 (Figure 2)
Tape & Reel Packing
Lead-Free
HM78 - 20 100 LF TR
Case size Figure A B C D E F G H I J
1
1
2
2
3
3
3
.291
7.40
.291
7.40
.295
7.50
.295
7.50
.492
12.5
.492
12.5
.492
12.5
.291
7.40
.291
7.40
.295
7.50
.295
7.50
.492
12.5
.492
12.5
.492
12.5
.150
3.80
.205
5.20
.138
3.50
.177
4.50
.177
4.50
.244
6.20
.315
8.00
.079
2.00
.079
2.00
.079
2.00
.079
2.00
.197
5.00
.197
5.00
.197
5.00
.035
0.85
.035
0.85
.043
1.10
.043
1.10
.079
2.00
.079
2.00
.079
2.00
.220
5.60
.220
5.60
.200
5.08
.200
5.08
.299
7.60
.299
7.60
.299
7.60
.256
6.50
.256
6.50
.248
6.30
.248
6.30
.394
10.0
.394
10.0
.394
10.0
.118
3.00
.118
3.00
.118
3.00
.118
3.00
.236
6.00
.236
6.00
.236
6.00
.075
1.91
_
.075
1.91
_
.075
1.91
.075
1.91
.118
3.0
.118
3.0
.118
3.0
.177
4.50
.177
4.50
.276
7.00
.276
7.00
.276
7.00
10
20
30
40
45
50
60