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
Part
Number
HM79-101R0LF
HM79-101R4LF
HM79-101R8LF
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
Inductance
μH ± 20%
(1)
1.0
1.4
1.8
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
DC
Resistance
Ω Max .
0.048
0.056
0.063
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
Rated
Current
(2)
Amps
2.56
2.52
1.95
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
Part
Number
HM79-30330LF
HM79-30390LF
HM79-30470LF
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
Inductance
μH ± 20%
(1)
33
39
47
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
DC
Resistance
Ω Max .
0.170
0.217
0.252
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
Rated
Current
(2)
Amps
0.85
0.74
0.68
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
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
MODEL HM79
Make Possible
Specifications @ 25°C
Part
Number
HM79-50470LF
HM79-50560LF
HM79-50680LF
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
Inductance
μH ± 20%
(1)
47
56
68
82
100
120
150
180
220
270
330
390
470
560
10
12
15
18
22
DC
Resistance
Ω Max .
0.170
0.199
0.223
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
Rated
Current
(2)
Amps
1.10
1.01
0.91
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
Part
Number
HM79-60270LF
HM79-60330LF
HM79-60390LF
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
Inductance
μH ± 20%
(1)
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
DC
Resistance
Ω Max .
0.11
0.12
0.14
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
Rated
Current
(2)
Amps
1.76
1.50
1.37
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
Notes:
(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
Case
size
10
A
.177
4.5
.228
5.8
.307
7.8
.307
7.8
.307
7.8
.307
7.8
.394
10.0
.394
10.0
B
.158
4.0
.205
5.2
.276
7.0
.276
7.0
.276
7.0
276
7.0
.354
9.0
.354
9.0
C
.126
3.2
.177
4.5
.140
3.5
.199
5.0
.228
5.8
.307
7.8
.158
4.0
.213
5.4
D
.177
4.5
.228
5.8
.315
8.0
.315
8.0
.315
8.0
.315
8.0
.394
10.0
.394
10.0
E
.205
5.2
.240
6.1
.315
8.0
.315
8.0
.315
8.0
.315
8.0
.394
10.0
.394
10.0
F
.059
1.5
.067
1.7
.079
2.0
.079
2.0
.079
2.0
.079
2.0
.098
2.5
.098
2.5
G
.069
1.75
.085
2.15
.118
3.0
.118
3.0
.118
3.0
.118
3.0
.148
3.75
.148
3.75
Reel
Capacity
1500
20
1500
30
1000
Recommended Solder Pad Layout
40
1000
45
800
46
500
50
1000
60
500
Ordering Information
HM79 - 30 101 LF TR13
Model Series
Case Size:
10, 20, 30, 40,
45, 46, 50, 60
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
TR - Tape & Reel Packing
13 - 13” reel
Lead Free
© TT Electronics plc
Rev. 01
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