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 mooisture
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)
()
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/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: 05-Feb-11
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
1
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disclosure relating to any product.
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product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
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Revision: 02-Oct-12
1
Document Number: 91000
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