IHSM-7832
Vishay Dale
High Current, Surface Mount Inductors
FEATURES
• Flame retardant encapsulant (UL 94 V-0)
• Completely encapsulated winding provides
superior environmental protection and moisture
resistance
• High current unit in surface mount package
printed with model, inductance value and date code
• Compatible with infrared or conventional reflow soldering
methods
• Pick and place compatible
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
IND. AT DCR MAX. RATED CURRENT
INCREMENTAL
1 kHz (μH)
(Ω)
MAX. (A)
CURRENT APPROX. (A)
1.0
0.011
9.0
5.3
1.2
0.012
8.8
4.8
1.5
0.012
8.6
4.4
1.8
0.013
8.5
4.0
2.2
0.014
8.4
3.6
2.7
0.016
8.2
3.2
3.3
0.017
8.1
2.8
3.9
0.02
7.3
2.6
4.7
0.023
6.7
2.4
5.6
0.025
6.0
2.3
6.8
0.028
5.6
2.1
8.2
0.032
5.3
1.9
10.0
0.036
5.0
1.7
12.0
0.04
4.8
1.5
15.0
0.043
4.5
1.4
18.0
0.047
4.2
1.3
22.0
0.054
3.8
1.2
27.0
0.074
3.4
1.1
33.0
0.084
3.0
0.99
39.0
0.095
2.8
0.93
47.0
0.12
2.6
0.87
56.0
0.14
2.4
0.82
68.0
0.16
2.1
0.76
82.0
0.184
1.9
0.72
100.0
0.226
1.7
0.68
120.0
0.305
1.5
0.61
150.0
0.362
1.4
0.54
180.0
0.399
1.3
0.48
220.0
0.536
1.1
0.44
270.0
0.599
0.95
0.4
330.0
0.714
0.86
0.36
390.0
0.819
0.8
0.33
470.0
1.1
0.74
0.31
560.0
1.2
0.68
0.29
680.0
1.58
0.63
0.26
820.0
2.08
0.573
0.23
1000.0
2.42
0.51
0.21
1200.0
2.68
0.46
0.19
1500.0
3.15
0.4
0.17
1800.0
4.2
0.34
0.15
2200.0
4.62
0.31
0.135
2700.0
6.3
0.29
0.12
3300.0
7.09
0.27
0.11
3900.0
9.14
0.25
0.1
4700.0
10.6
0.23
0.09
5600.0
11.8
0.21
0.08
6800.0
15.8
0.19
0.0775
8200.0
21.8
0.17
0.0725
10 000.0
24.6
0.16
0.07
12 000.0
28.4
0.14
0.0625
15 000.0
37.8
0.12
0.055
18 000.0
44.1
0.11
0.05
APPLICATIONS
Excellent power line noise filters, filters for switching
regulated power supplies, dc-to-dc converters, SCR and
Triac controls and RFI suppression.
ELECTRICAL SPECIFICATIONS
Inductance:
Measured at 1 V with no DC current
Inductance Tolerance:
± 15 %
Incremental Current:
The typical current at which the
inductance will be decreased by 5 % from its initial zero DC
value
Operating Temperature:
- 55 °C to + 125 °C (no load);
- 55 °C to + 85 °C (at full rated current)
MECHANICAL SPECIFICATIONS
Core:
High resistivity ferrite core
Encapsulant:
Epoxy
Terminals:
100 % Sn over Ni
DIMENSIONS
in inches [millimeters]
1.05 [26.67]
Recommended Pad Layout
0.290
[7.366]
0.530 [13.462]
0.290
[7.366]
0.260 [6.604]
0.840 [21.34]
Max.
0.260 [6.604]
0.215 ± 0.005
[5.46 ± 0.13]
0.285
[7.24]
Max.
0.100 ± 0.010
[2.54 ± 0.25]
0.780 ± 0.020
[19.81 ± 0.51]
0.320 [8.13]
Max.
PART MARKING
- Model
- Inductance value
- Date code
DESCRIPTION
IHSM-7832
MODEL
3.9 μH
INDUCTANCE VALUE
± 15 %
INDUCTANCE TOLERANCE
ER
PACKAGE CODE
e3
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I
H
S
M
7
8
SIZE
3
2
E
R
3
R
INDUCTANCE
VALUE
9
L
TOL.
PRODUCT FAMILY
PACKAGE
CODE
Document Number: 34021
Revision: 02-Nov-09
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
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Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
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Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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