IHSM-4825
Vishay Dale
High Current, Surface Mount Inductor
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.
APPLICATIONS
STANDARD ELECTRICAL SPECIFICATIONS
IND.
@ 1kHz
(
µ
H)
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.
(Ohms)
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
CURRENT
(Max. Amps)
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
INCREMENTAL
CURRENT
(Amps Approx.)
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
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.
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.
0.180 [4.572]
0.170
±
0.010
[4.32
±
0.25]
0.225
[5.72]
Max.
0.075
±
0.010
[1.91
±
0.25]
0.480
±
0.020
[12.19
±
0.51]
0.250 [6.35]
Max.
PART MARKING
— Model
— Inductance value
— Date code
DESCRIPTION
IHSM-4825
MODEL
3.9
µ
H
INDUCTANCE
VALUE
±
15%
INDUCTANCE
TOLERANCE
SAP PART NUMBERING GUIDELINES (INTERNAL)
I
H
S
M
4
8
SIZE
2
5
R
E
3
R
9
L
TOL.
PRODUCT FAMILY
See the end of this data book for conversion tables
PACKAGE
CODE
INDUCTANCE
VALUE
www.vishay.com
28
For technical questions, contact Magnetics@vishay.com
Document Number 34019
Revision 20-Jan-03
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
www.vishay.com
1
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