IHSM-7832
www.vishay.com
Vishay Dale
High Current, Surface Mount Inductors - Wirewound Molded
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
STANDARD ELECTRICAL SPECIFICATIONS
printed with model, inductance value and date
code
IND. AT
1 kHz
(μH)
DCR
MAX.
()
RATED CURRENT
INCREMENTAL
CURRENT APPROX.
(A)
• Compatible with infrared or conventional reflow soldering
methods
MAX.
(A)
• Pick and place compatible
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
1.0
1.2
0.011
0.012
0.012
0.013
0.014
0.016
0.017
0.02
0.023
0.02ꢀ
0.028
0.032
0.036
0.04
9.0
8.8
ꢀ.3
4.8
1.ꢀ
8.6
4.4
1.8
8.ꢀ
4.0
2.2
8.4
3.6
APPLICATIONS
2.7
8.2
3.2
Excellent power line noise filters, filters for switching
regulated power supplies, DC/DC converters, SCR, and
triac controls and RFI suppression.
3.3
8.1
2.8
3.9
7.3
2.6
4.7
6.7
2.4
ꢀ.6
6.0
2.3
ELECTRICAL SPECIFICATIONS
Inductance: Measured at 1 V with no DC current
Inductance Tolerance: 1ꢀ ꢁ
Incremental Current: The typical current at which the
inductance will be decreased by ꢀ ꢁ from its initial zero DC
value
6.8
ꢀ.6
2.1
8.2
ꢀ.3
1.9
10.0
ꢀ.0
1.7
12.0
4.8
1.ꢀ
1ꢀ.0
0.043
0.047
0.0ꢀ4
0.074
0.084
0.09ꢀ
0.12
4.ꢀ
1.4
18.0
4.2
1.3
22.0
3.8
1.2
Operating Temperature: -ꢀꢀ °C to +12ꢀ °C (no load);
-ꢀꢀ °C to +8ꢀ °C (at full rated current)
27.0
3.4
1.1
33.0
3.0
0.99
0.93
0.87
0.82
0.76
0.72
0.68
0.61
0.ꢀ4
0.48
0.44
0.4
39.0
2.8
MECHANICAL SPECIFICATIONS
Core: High resistivity ferrite core
Encapsulant: Epoxy
47.0
2.6
ꢀ6.0
0.14
0.16
2.4
68.0
2.1
82.0
0.184
0.226
0.30ꢀ
0.362
0.399
0.ꢀ36
0.ꢀ99
0.714
0.819
1.1
1.9
Terminals: 100 ꢁ Sn over Ni
100.0
120.0
1ꢀ0.0
180.0
220.0
270.0
330.0
390.0
470.0
ꢀ60.0
680.0
820.0
1000.0
1200.0
1ꢀ00.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
ꢀ600.0
6800.0
8200.0
10 000.0
12 000.0
1ꢀ 000.0
18 000.0
1.7
1.ꢀ
DIMENSIONS in inches [millimeters]
1.4
1.3
Recommended Pad Layout
1.05 [26.67]
1.1
0.9ꢀ
0.86
0.8
0.36
0.33
0.31
0.29
0.26
0.23
0.21
0.19
0.17
0.1ꢀ
0.13ꢀ
0.12
0.11
0.1
0.09
0.08
0.077ꢀ
0.072ꢀ
0.07
0.062ꢀ
0.0ꢀꢀ
0.0ꢀ
0.290
[7.366]
0.290
[7.366]
0.530 [13.462]
0.74
0.68
0.63
0.ꢀ73
0.ꢀ1
0.46
0.4
0.34
0.31
0.29
0.27
0.2ꢀ
0.23
0.21
0.19
0.17
0.16
0.14
0.12
0.11
1.2
1.ꢀ8
0.260 [6.604]
0.840 [21.34]
0.260 [6.604]
2.08
0.217 0.005
[5.51 0.13]
2.42
Max.
2.68
0.285
[7.24]
Max.
3.1ꢀ
4.2
4.62
6.3
0.100 0.010
[2.54 0.25]
7.09
9.14
0.780 0.020
[19.81 0.51]
0.320 [8.13]
Max.
10.6
11.8
1ꢀ.8
PART MARKING
- Model
- Inductance value
- Date code
21.8
24.6
28.4
37.8
44.1
DESCRIPTION
IHSM-7832
MODEL
3.9 μH
INDUCTANCE VALUE
15 ꢀ
ER
e3
JEDEC® LEAD (Pb)-FREE STANDARD
INDUCTANCE TOLERANCE
PACKAGE CODE
GLOBAL PART NUMBER
I
H
S
M
7
8
3
2
E
R
3
R
9
L
PRODUCT FAMILY
Revision: 07-Jan-2019
SIZE
PACKAGE
CODE
INDUCTANCE
VALUE
TOL.
Document Number: 34021
1
For technical questions, contact: magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000