IHSM-4825
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
• Tape and reel packaging for automatic handling
• 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.
()
0.013
0.018
0.02
0.021
0.029
0.034
0.038
0.042
0.047
0.051
0.058
0.063
0.071
0.079
0.089
0.119
0.152
0.179
0.222
0.315
0.362
0.397
0.446
0.604
0.672
0.735
0.998
1.37
1.58
1.77
2.51
2.73
3.36
3.75
4.31
6.04
6.9
RATED
INCREMENTAL
CURRENT MAX. CURRENT APPROX.
(A)
(A)
8.6
7.6
6.9
6.5
5.7
5.1
4.6
4.3
4.0
3.8
3.5
3.3
3.1
2.7
2.3
1.9
1.7
1.6
1.3
1.19
1.07
0.95
0.87
0.8
0.73
0.66
0.58
0.5
0.46
0.41
0.37
0.34
0.32
0.3
0.28
0.26
0.24
4.1
3.8
3.5
3.2
2.9
2.6
2.4
2.2
2.0
1.9
1.7
1.5
1.4
1.3
1.2
1.1
1.02
0.95
0.88
0.8
0.74
0.68
0.62
0.56
0.5
0.45
0.4
0.35
0.32
0.3
0.28
0.26
0.24
0.23
0.2
0.17
0.15
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]
0.660 [16.764]
Recommended Pad Layout
0.220
[5.588]
0.300 [7.62]
0.220
[5.588]
0.180 [4.572]
0.540 [13.72]
Max.
0.225
[5.72]
Max.
0.075 ± 0.010
[1.91 ± 0.25]
0.480 ± 0.020
[12.19 ± 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-4825
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
4
8
SIZE
2
5
E
R
3
R
INDUCTANCE
VALUE
9
L
TOL.
PRODUCT FAMILY
PACKAGE
CODE
Revision: 20-Sep-13
Document Number: 34019
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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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
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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