IHSM-3825
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 printed with
model, inductance value and date code
• Compatible with infrared or conventional reflow soldering
methods
• Pick and place compatible
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
IND.
AT 1 kHz
(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
DCR
MAX.
()
0.015
0.016
0.017
0.022
0.031
0.038
0.045
0.062
0.083
0.091
0.101
0.118
0.126
0.170
0.228
0.306
0.336
0.389
0.440
0.490
0.646
0.845
1.040
1.240
1.440
2.180
2.900
3.280
3.650
4.400
5.070
5.900
7.670
8.850
10.20
11.58
12.97
RATED
INCREMENTAL
CURRENT MAX. CURRENT APPROX.
(A)
(A)
5.11
4.93
4.63
4.27
3.61
3.18
2.94
2.57
2.17
2.08
1.94
1.83
1.74
1.50
1.29
1.13
1.05
0.98
0.92
0.86
0.74
0.65
0.61
0.56
0.48
0.45
0.38
0.36
0.34
0.29
0.27
0.23
0.22
0.21
0.18
0.17
0.16
4.41
4.11
3.66
3.22
2.62
2.40
2.13
2.05
1.93
1.79
1.62
1.50
1.36
1.26
1.11
1.05
0.96
0.86
0.75
0.72
0.68
0.64
0.58
0.51
0.42
0.40
0.37
0.33
0.28
0.26
0.23
0.20
0.19
0.17
0.15
0.14
0.13
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]
0.560 [14.224]
Recommended Pad Layout
0.220
[5.588]
0.200 [5.08]
0.220
[5.588]
0.180 [4.572]
0.440 [11.18]
Max.
0.225
[5.72]
Max.
0.075 ± 0.010
[1.91 ± 0.25]
0.380 ± 0.020
[9.65 ± 0.51]
0.180 [4.572]
0.170 ± 0.010
[4.32 ± 0.25]
0.250 [6.35]
Max.
PART MARKING
- Model
- Inductance value
- Date code
DESCRIPTION
IHSM-3825
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
3
8
SIZE
2
5
E
R
3
R
INDUCTANCE
VALUE
9
L
TOL.
PRODUCT FAMILY
PACKAGE
CODE
Revision: 20-Sep-13
Document Number: 34018
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
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Vishay
Disclaimer
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particular 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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including but not limited to the warranty expressed therein.
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Revision: 08-Feb-17
1
Document Number: 91000
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