Magnetics
Make Possible
Shielded Drum Surface
Mount Inductors
Model HM79S
Features and Benefits
Operating Temperature Range -40°C to +125°C
Operating Frequency Up to 3MHz
RoHS Compliant
Specifications @ 25°C
Inductance
Part Number
HM79S-63100LF
HM79S-63120LF
HM79S-63150LF
HM79S-63180LF
HM79S-63220LF
HM79S-63270LF
HM79S-63330LF
HM79S-63390LF
HM79S-63470LF
HM79S-63560LF
HM79S-63680LF
HM79S-74100LF
HM79S-74120LF
HM79S-74150LF
HM79S-74180LF
HM79S-74220LF
HM79S-74270LF
HM79S-74330LF
HM79S-74390LF
HM79S-74470LF
HM79S-74560LF
HM79S-74680LF
HM79S-74820LF
HM79S-74101LF
HM79S-74121LF
HM79S-74151LF
HM79S-74181LF
HM79S-74221LF
HM79S-74271LF
HM79S-105100LF
HM79S-105120LF
HM79S-105150LF
HM79S-105180LF
HM79S-105220LF
HM79S-105270LF
HM79S-105330LF
HM79S-105390LF
HM79S-105470LF
HM79S-105560LF
Lo
(μH)
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
Tol.
(%)
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±15%
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
Test
Freq.
(kHz)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
I
rated
(Adc)
1.00
0.94
0.86
0.78
0.76
0.64
0.61
0.53
0.50
0.46
0.42
1.65
1.57
1.39
1.29
1.12
1.06
0.97
0.91
0.80
0.76
0.68
0.62
0.55
0.49
0.44
0.40
0.36
0.33
2.06
1.94
1.72
1.58
1.42
1.32
1.16
1.10
1.00
0.93
(1)
DCR
(Ω)
Max.
0.14
0.16
0.18
0.25
0.32
0.36
0.41
0.47
0.51
0.71
0.82
0.07
0.07
0.08
0.1
0.13
0.16
0.18
0.18
0.27
0.29
0.33
0.43
0.49
0.68
0.94
1.00
1.18
1.30
0.06
0.07
0.07
0.08
0.08
0.10
0.11
0.12
0.14
0.19
Inductance
Part Number
HM79S-105680LF
HM79S-105820LF
HM79S-105101LF
HM79S-105121LF
HM79S-105151LF
HM79S-105181LF
HM79S-105221LF
HM79S-105271LF
HM79S-105331LF
HM79S-105391LF
HM79S-105471LF
HM79S-105681LF
HM79S-125100LF
HM79S-125120LF
HM79S-125150LF
HM79S-125180LF
HM79S-125220LF
HM79S-125270LF
HM79S-125330LF
HM79S-125390LF
HM79S-125470LF
HM79S-125560LF
HM79S-125680LF
HM79S-125820LF
HM79S-125101LF
HM79S-125121LF
HM79S-125151LF
HM79S-125181LF
HM79S-125221LF
HM79S-125271LF
HM79S-125331LF
HM79S-125391LF
HM79S-125471LF
HM79S-125561LF
HM79S-125681LF
HM79S-125821LF
HM79S-125222LF
HM79S-125332LF
Lo
(μH)
68
82
100
120
150
180
220
270
330
390
470
680
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
2200
3300
Tol.
(%)
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Test
Freq.
(kHz)
100
100
1
1
1
1
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
1
1
1
1
1
1
1
1
1
1
1
1
1
1
I
rated (1)
(Adc)
0.85
0.79
0.72
0.63
0.55
0.50
0.47
0.41
0.37
0.35
0.33
0.28
2.65
2.50
2.45
2.40
2.20
2.00
1.80
1.65
1.50
1.38
1.26
1.14
1.05
0.95
0.85
0.77
0.70
0.63
0.57
0.52
0.48
0.44
0.40
0.36
0.22
0.16
DCR
(Ω)
Max.
0.21
0.28
0.34
0.37
0.51
0.57
0.78
0.87
1.20
1.34
1.50
2.25
0.05
0.05
0.06
0.06
0.07
0.08
0.10
0.11
0.12
0.15
0.17
0.20
0.25
0.28
0.40
0.48
0.52
0.70
0.80
1.08
1.20
1.34
1.78
2.00
2.85
4.30
Note: (1) The rated current (Irated) is the approximate DC current at which inductance will be decreased by 10 % from its initial (zero DC) value or the
current at which ΔT= 40°C, whichever is lower.
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 Drum Surface Mount Inductors
Make Possible
Model HM79S
Outline Dimensions (mm)
Outline Dimensions (mm)
Outline Dimensions (mm)
Top View
Top View
Side View
Bottom View
Recommended Solder Pad Layout
Side View
Bottom View
Recommended Solder Pad Layout
Case Size
Case Size
63
74
105
125
63
A
B
C
D
D
6.20
6.20
7.80
D
7.80
10.00
6.20
10.00
12.50
7.80
12.50
10.00
12.50
E
E
1.70
1.70
1.70
E
1.70
2.50
1.70
2.50
2.50
1.70
2.50
2.50
2.50
F
2.25
F
2.25
3.05
F
3.05
3.75
2.25
3.75
5.00
3.05
5.00
3.75
5.00
G
5.50
7.50
G
9.50
5.50
9.50
7.50
9.50
9.50
G
5.50
7.50
9.50
9.50
A
6.20 ± 0.30
B
C
5.60 ± 0.30
3.20 ± 0.30
5.60 ± 0.30
± 0.35
3.20 ± 0.30
0.40
74
6.20 ± 0.30
± 0.35
7.80
7.00
4.50 ±
Case Size
A
B
C
7.80 ± 0.35
7.00 ± 0.35
4.50 ± 0.40
105
10.00 ± 0.40
9.00 ± 0.40
5.00 ± 0.50
63
6.20 ± 0.30
5.60 ± 0.30
3.20 ± 0.30
10.00 ± 0.40
9.00 ± 0.40
5.00 ± 0.50
125
12.50 ± 0.50 11.60 ± 0.50
5.40 ± 0.50
74
12.50
7.80 ± 0.35
11.60 ± 0.50
7.00 ± 0.35
4.50
0.50
± 0.50
5.40 ±
± 0.40
105
125
10.00 ± 0.40
12.50 ± 0.50
9.00 ± 0.40
11.60 ± 0.50
5.00 ± 0.50
5.40 ± 0.50
Electrical Characteristics @ 25°C
Electrical Characteristics @ 25°C
Electrical Characteristics @ 25°C
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
116
© TT Electronics plc
MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
www.bitechnologies.com
Rev. 01
Shielded Drum Surface Mount Inductors
Make Possible
Model HM79S
Packaging
Embossed Tape & Reel
Reel:
Standard
Diameter:
Capacity:
Case size 63
Case size 74
Case size 105
Case size 125
=
=
=
=
=
13” (330.2mm)
2000 units
1000 units
500 units
500 units
Ordering Information
HM79S - 125 100 LF TR13
Model Series
Case Size:
63, 74, 105, 125
Inductance Code:
First 2 digits are significant. Last digit denotes the
number of trailing zeros. For values below 10μH, ‘R’
denotes the decimal point.
TR - Tape & Reel Packing
13” - 13” Reel
Lead Free
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
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