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
STANDARD ELECTRICAL SPECIFICATIONS
IND. AT DCR MAX. RATED CURRENT
INCREMENTAL
1 kHz (μH)
()
MAX. (A)
CURRENT APPROX. (A)
• Compatible with infrared or conventional reflow soldering
1.0
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
9.0
5.3
methods
1.2
8.8
4.8
1.5
8.6
4.4
• Pick and place compatible
1.8
8.5
4.0
• Compliant to RoHS directive 2002/95/EC
2.2
8.4
3.6
2.7
8.2
3.2
APPLICATIONS
3.3
8.1
2.8
Excellent power line noise filters, filters for switching
regulated power supplies, DC/DC converters, SCR and triac
controls and RFI suppression.
3.9
7.3
2.6
4.7
6.7
2.4
5.6
6.0
2.3
6.8
5.6
2.1
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
8.2
5.3
1.9
10.0
5.0
1.7
12.0
4.8
1.5
15.0
0.043
0.047
0.054
0.074
0.084
0.095
0.12
4.5
1.4
18.0
4.2
1.3
22.0
3.8
1.2
27.0
3.4
1.1
Operating Temperature: - 55 °C to + 125 °C (no load);
- 55 °C to + 85 °C (at full rated current)
33.0
3.0
0.99
0.93
0.87
0.82
0.76
0.72
0.68
0.61
0.54
0.48
0.44
0.4
39.0
2.8
47.0
2.6
MECHANICAL SPECIFICATIONS
Core: High resistivity ferrite core
Encapsulant: Epoxy
56.0
0.14
0.16
2.4
68.0
2.1
82.0
0.184
0.226
0.305
0.362
0.399
0.536
0.599
0.714
0.819
1.1
1.9
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
10 000.0
12 000.0
15 000.0
18 000.0
1.7
Terminals: 100 ꢀ Sn over Ni
1.5
1.4
DIMENSIONS in inches [millimeters]
1.3
1.1
0.95
0.86
0.8
Recommended Pad Layout
1.05 [26.67]
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
0.290
[7.366]
0.290
[7.366]
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
0.530 [13.462]
1.2
1.58
2.08
0.260 [6.604]
0.840 [21.34]
0.260 [6.604]
2.42
0.215 0.005
[5.46 0.13]
2.68
Max.
3.15
0.285
[7.24]
Max.
4.2
4.62
6.3
7.09
0.100 0.010
[2.54 0.25]
9.14
10.6
0.780 0.020
[19.81 0.51]
0.320 [8.13]
Max.
11.8
15.8
21.8
PART MARKING
- Model
- Inductance value
- Date code
24.6
28.4
37.8
44.1
DESCRIPTION
IHSM-7832
3.9 μH
1ꢀ ꢁ
ER
e3
JEDEC LEAD (Pb)-FREE STANDARD
MODEL
INDUCTANCE VALUE
INDUCTANCE TOLERANCE
PACKAGE CODE
GLOBAL PART NUMBER
I
H
S
M
7
8
3
2
E
R
3
R
9
L
PRODUCT FAMILY
SIZE
PACKAGE
CODE
INDUCTANCE
VALUE
TOL.
Document Number: 34021
Revision: 05-Feb-11
For technical questions, contact: magnetics@vishay.com
www.vishay.com
1