Magnetics
Make Possible
Shielded Surface
Mount Inductors
MODEL HM78
Features
Operating Temperature Range -40°C to +125°C
Temperature Rise, Maximum 40°C
Operating Frequency Up to 3MHz ·
RoHS Compliant
Specifications @ 25°C
Part Number
HM78-10100LF
HM78-10120LF
HM78-10150LF
HM78-10180LF
HM78-10220LF
HM78-10270LF
HM78-10330LF
HM78-10390LF
HM78-10470LF
HM78-10560LF
HM78-10680LF
HM78-20100LF
HM78-20120LF
HM78-20150LF
HM78-20180LF
HM78-20220LF
HM78-20270LF
HM78-20330LF
HM78-20390LF
HM78-20470LF
HM78-20560LF
HM78-20680LF
HM78-20820LF
HM78-20101LF
HM78-20121LF
HM78-20151LF
HM78-20181LF
HM78-20221LF
HM78-20271LF
HM78-30100LF
HM78-30120LF
HM78-30150LF
HM78-30180LF
HM78-30220LF
HM78-30270LF
HM78-30330LF
HM78-30390LF
HM78-30470LF
HM78-30560LF
HM78-30680LF
HM78-30820LF
HM78-30101LF
HM78-30121LF
HM78-30151LF
Inductance
μH ± 20%
(1)
10
12
15
18
22
27
33
39
47
56
68
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
DC
Resistance
Ω Max.
0.08
0.09
0.12
0.13
0.15
0.21
0.25
0.31
0.35
0.43
0.52
0.055
0.073
0.081
0.102
0.115
0.159
0.182
0.199
0.221
0.306
0.345
0.39
0.432
0.44
0.73
0.78
0.94
1.25
0.072
0.098
0.13
0.14
0.19
0.21
0.24
0.32
0.36
0.47
0.52
0.69
0.79
0.89
1.27
Rated
Current
(2)
Amps
1.00
0.94
0.86
0.78
0.76
0.64
0.61
0.53
0.50
0.46
0.42
1.65
1.50
1.34
1.22
1.10
1.00
0.90
0.83
0.75
0.69
0.63
0.57
0.52
0.47
0.42
0.38
0.35
0.31
1.68
1.52
1.33
1.20
1.07
0.96
0.91
0.77
0.76
0.68
0.61
0.57
0.50
0.49
0.43
Figure
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Part Number
HM78-30181LF
HM78-30221LF
HM78-30271LF
HM78-30331LF
HM78-30391LF
HM78-30471LF
HM78-30102LF
HM78-40100LF
HM78-40120LF
HM78-40150LF
HM78-40180LF
HM78-40220LF
HM78-40270LF
HM78-40330LF
HM78-40390LF
HM78-40470LF
HM78-40560LF
HM78-40680LF
HM78-40820LF
HM78-40101LF
HM78-40121LF
HM78-40151LF
HM78-40181LF
HM78-40221LF
HM78-40271LF
HM78-40331LF
HM78-40391LF
HM78-40471LF
HM78-40561LF
HM78-40681LF
HM78-40821LF
HM78-453R9LF
HM78-454R7LF
HM78-456R8LF
HM78-45100LF
HM78-45120LF
HM78-45150LF
HM78-45180LF
HM78-45220LF
HM78-45270LF
HM78-45330LF
HM78-45390LF
HM78-45470LF
HM78-45560LF
Inductance
μH ± 20%
(1)
180
220
270
330
390
470
1000
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
3.9
4.7
6.8
10
12
15
18
22
27
33
39
47
56
DC
Resistance
Ω Max.
1.45
1.65
2.31
2.62
2.94
4.18
6.50
0.055
0.058
0.081
0.091
0.11
0.15
0.17
0.23
0.26
0.35
0.38
0.43
0.61
0.66
0.88
0.98
1.17
1.64
1.86
2.85
3.01
3.62
4.63
5.20
0.015
0.018
0.023
0.028
0.038
0.050
0.057
0.066
0.080
0.097
0.132
0.150
0.190
Rated
Current
(2)
Amps
0.39
0.35
0.32
0.28
0.26
0.24
0.16
2.00
1.71
1.47
1.31
1.23
1.12
1.00
0.91
0.88
0.75
0.69
0.61
0.60
0.52
0.46
0.42
0.36
0.34
0.32
0.29
0.26
0.23
0.22
0.20
6.5
5.7
4.9
4.5
4.0
3.2
3.1
2.9
2.8
2.7
2.1
1.9
1.8
Figure
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
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
Shielded Surface
Mount Inductors
MODEL HM78
Make Possible
Specifications @ 25°C (Continued)
Part Number
HM78-45680LF
HM78-45820LF
HM78-45101LF
HM78-45121LF
HM78-45151LF
HM78-45181LF
HM78-45221LF
HM78-45271LF
HM78-45331LF
HM78-501R5LF
HM78-502R2LF
HM78-503R1LF
HM78-504R4LF
HM78-505R2LF
HM78-507R5LF
HM78-50100LF
HM78-50120LF
HM78-50150LF
HM78-50180LF
HM78-50220LF
HM78-50270LF
HM78-50330LF
HM78-50390LF
HM78-50470LF
HM78-50560LF
HM78-50680LF
HM78-50820LF
HM78-50101LF
HM78-50121LF
Notes:
Inductance
μH ± 20%
(1)
68
82
100
120
150
180
220
270
330
1.5±25%
2.2±25%
3.1±25%
4.4±25%
5.2±25%
7.5±25%
10
12
15
18
22
27
33
39
47
56
68
82
100
120
DC
Resistance
Ω Max.
0.220
0.260
0.308
0.380
0.530
0.620
0.700
0.876
0.990
0.012
0.014
0.017
0.020
0.021
0.024
0.025
0.027
0.030
0.034
0.036
0.051
0.057
0.068
0.075
0.11
0.12
0.14
0.16
0.17
Rated
Current
(2)
Amps
1.5
1.3
1.2
1.1
0.95
0.85
0.80
0.60
0.50
13.0
7.0
6.0
5.0
4.4
4.2
4.0
3.5
3.3
3.0
2.8
2.3
2.1
2.0
1.8
1.7
1.5
1.4
1.5
1.1
Figure
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Part Number
HM78-50151LF
HM78-50181LF
HM78-50221LF
HM78-50271LF
HM78-50331LF
HM78-50391LF
HM78-50471LF
HM78-50561LF
HM78-50681LF
HM78-50821LF
HM78-50102LF
HM78-50182LF
HM78-601R4LF
HM78-602R4LF
HM78-603R9LF
HM78-604R7LF
HM78-605R6LF
HM78-607R6LF
HM78-60100LF
HM78-60120LF
HM78-60150LF
HM78-60180LF
HM78-60220LF
HM78-60270LF
HM78-60330LF
HM78-60390LF
HM78-60470LF
HM78-60221LF
Inductance
μH ± 20%
(1)
150
180
220
270
330
390
470
560
680
820
1000
1800
1.4±30%
2.4±30%
3.9±30%
4.7±30%
5.6±30%
7.6±30%
10
12
15
18
22
27
33
39
47
220
DC
Resistance
Ω Max.
0.23
0.29
0.40
0.46
0.51
0.69
0.77
0.86
1.20
1.34
1.53
3.20
0.007
0.012
0.014
0.016
0.018
0.020
0.022
0.025
0.027
0.039
0.043
0.046
0.065
0.073
0.085
0.37
Rated
Current
(2)
Amps
1.0
0.9
0.8
0.75
0.68
0.65
0.58
0.54
0.48
0.43
0.40
0.30
12.0
8.0
7.5
6.8
6.6
5.9
5.4
4.9
4.5
3.9
3.6
3.4
3.0
2.75
2.5
1.2
Figure
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
(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 ΔT = 40°C, whichever is lower.
Schematic
Packaging
Embossed Tape and Reel
Standard:
Reel:
Diameter:
Capacity:
Case size 10, 30, 40
Case size 20, 45, 50, 60
=
=
=
13” (330.2mm)
1,000 Units
500 Units
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
Shielded Surface
Mount Inductors
MODEL HM78
Make Possible
Outline Dimensions (Inch/mm)
Outline Dimensions (Inch/mm)
Case size
10
20
30
40
45
50
60
Fig.
1
1
2
2
3
3
3
Ordering Information
A
.291
7.40
.291
7.40
.295
7.50
.295
7.50
.492
12.5
.492
12.5
.492
12.5
B
10
.291
7.40
20
.291
7.40
30
.295
7.50
40
.295
45
7.50
.492
50
12.5
.492
60
12.5
.492
12.5
Case size Figure
C
1
.150
3.80
1
.205
5.20
2
.138
3.50
2
.177
3
4.50
.177
3
4.50
.244
3
6.20
.315
8.00
A
.291
7.40
.291
7.40
.295
7.50
.295
7.50
.492
12.5
.492
12.5
.492
12.5
D
.291
.079
7.40
2.00
.291
.079
7.40
2.00
.295
7.50
.079
.295
2.00
7.50
.079
.492
2.00
12.5
.197
.492
5.00
12.5
.197
.492
12.5
5.00
.197
5.00
B
C
.150
3.80
.205
5.20
.138
3.50
.177
4.50
.177
4.50
.244
6.20
.315
8.00
E
.079
.035
2.00
0.85
.079
.035
2.00
0.85
.079
2.00
.043
.079
1.10
2.00
.043
.197
1.10
5.00
.079
.197
2.00
5.00
.079
.197
5.00
2.00
.079
2.00
D
E
.035
0.85
.035
0.85
.043
1.10
.043
1.10
.079
2.00
.079
2.00
.079
2.00
F
.220
.220
5.60
5.60
.220
.220
5.60
5.60
.200
5.08
.200
.200
5.08
5.08
.200
.299
5.08
7.60
.299
.299
7.60
7.60
.299
.299
7.60
7.60
.299
7.60
F
G
.256
6.50
.256
6.50
.248
6.30
.248
6.30
.394
10.0
.394
10.0
.394
10.0
G
.118
.256
3.00
6.50
.118
.256
3.00
6.50
.118
3.00
.248
.118
6.30
3.00
.248
.236
6.30
6.00
.394
.236
10.0
6.00
.394
.236
6.00
10.0
.394
10.0
H
I
.075
1.91
.075
1.91
.075
1.91
.075
1.91
.118
3.0
.118
3.0
.118
3.0
H
_
.118
3.00
_
.118
3.00
.177
4.50
.118
.177
3.00
4.50
.118
.276
3.00
7.00
.236
.276
6.00
7.00
.236
.276
7.00
6.00
.236
6.00
J
I
.075
1.91
.075
1.91
.075
1.91
.075
1.91
.118
3.0
.118
3.0
.118
3.0
J
-
-
.177
4.50
.177
4.50
.276
7.00
.276
7.00
.276
7.00
Ordering Information
Model Series
HM78 - 20
100
LF
TR
Tape & Reel Packing
Lead-Free
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)
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)
HM78 - 20 100 LF TR
Inductance Code:
Packing
Tape & Reel
First 2 digits are significant. Last digit denotes
the number of trailing zeros. For values below
Lead-Free
10µH, “R” denotes the decimal point.
Inductance Code:
First 2 digits are significant. Last digit denotes
the number of trailing zeros. For values below
10μH, “R” denotes the decimal point.
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General Note
MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
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
51mcu
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