FEATURES
•Flame retardant encapsulant (UL 94V-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.
•Tape and reel packaging for automatic handling.
DIMENSIONAL CONFIGURATIONS
3.9µH
INDUCTANCE
VALUE
IHSM-7832
MODEL ± 15%
INDUCTANCE
TOLERANCE
— Model
— Inductance value
— Date code
PART MARKING
HOW TO ORDER
STANDARD ELECTRICAL SPECIFICATIONS 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 volt 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).
MATERIAL SPECIFICATIONS
Core: High resistivity ferrite core.
Encapsulant: Epoxy.
Terminals: 60/40 solder coated copper.
.215 ± .005
[5.46 ± 0.13]
.840 [21.34]
Max.
.285
[7.24]
Max.
.780 ± .020
[19.81 ± 0.51]
.100 ± .010
[2.54 ± 0.25] .320 [8.13]
Max.
IND.
@ 1kHz
(µH)
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
6800.0
8200.0
10000.0
12000.0
15000.0
18000.0
DCR
MAX.
(Ohms)
0.011
0.012
0.012
0.013
0.014
0.016
0.017
0.02
0.023
0.025
0.028
0.032
0.036
0.04
0.043
0.047
0.054
0.074
0.084
0.095
0.12
0.14
0.16
0.184
0.226
0.305
0.362
0.399
0.536
0.599
0.714
0.819
1.1
1.2
1.58
2.08
2.42
2.68
3.15
4.2
4.62
6.3
7.09
9.14
10.6
11.8
15.8
21.8
24.6
28.4
37.8
44.1
INCREMENTAL
CURRENT
(Amps Approx.)
5.3
4.8
4.4
4.0
3.6
3.2
2.8
2.6
2.4
2.3
2.1
1.9
1.7
1.5
1.4
1.3
1.2
1.1
0.99
0.93
0.87
0.82
0.76
0.72
0.68
0.61
0.54
0.48
0.44
0.4
0.36
0.33
0.31
0.29
0.26
0.23
0.21
0.19
0.17
0.15
0.135
0.12
0.11
0.1
0.09
0.08
0.0775
0.0725
0.07
0.0625
0.055
0.05
RATED
CURRENT
(Max. Amps)
9.0
8.8
8.6
8.5
8.4
8.2
8.1
7.3
6.7
6.0
5.6
5.3
5.0
4.8
4.5
4.2
3.8
3.4
3.0
2.8
2.6
2.4
2.1
1.9
1.7
1.5
1.4
1.3
1.1
0.95
0.86
0.8
0.74
0.68
0.63
0.573
0.51
0.46
0.4
0.34
0.31
0.29
0.27
0.25
0.23
0.21
0.19
0.17
0.16
0.14
0.12
0.11
[Numbers in brackets indicate millimeters]
Inductors
High Current, Surface Mount
Model IHSM-7832
Vishay Dale
Document Number 34021
Revision 27-Apr-99
www.vishay.com
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