IHSM-3825
Vishay Dale
High Current, Surface Mount Inductors
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
• Compliant to RoHS Directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
IND.
AT 1 kHz
(μH)
DCR
RATED
INCREMENTAL
MAX. CURRENT MAX. CURRENT APPROX.
()
(A)
(A)
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
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
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
5.6
6.8
8.2
Operating Temperature: - 55 °C to + 125 °C (no load);
- 55 °C to + 85 °C (at full rated current)
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
MECHANICAL SPECIFICATIONS
Core: High resistivity ferrite core
Encapsulant: Epoxy
Terminals: 100 ꢀ Sn over Ni
DIMENSIONS in inches [millimeters]
Recommended Pad Layout
0.560 [14.224]
0.220
0.220
[5.588]
[5.588]
0.200 [5.08]
0.180 [4.572]
0.180 [4.572]
0.170 0.010
[4.32 0.25]
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]
0.250 [6.35]
Max.
PART MARKING
- Model
- Inductance value
- Date code
DESCRIPTION
IHSM-3825
3.9 μH
15 ꢀ
INDUCTANCE TOLERANCE
ER
e3
MODEL
INDUCTANCE VALUE
PACKAGE CODE
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I
H
S
M
3
8
2
5
E
R
3
R
9
L
PRODUCT FAMILY
SIZE
PACKAGE
CODE
INDUCTANCE
VALUE
TOL.
Document Number: 34018
Revision: 04-Feb-11
For technical questions, contact: magnetics@vishay.com
www.vishay.com
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