IHSM-3825
Vishay Dale
High Current, Surface Mount Inductor
FEATURES
• Flame retardant encapsulant (UL 94V-0)
• Completely encapsulated winding provides
superior environmental protection and
moisture resistance
RoHS
COMPLIANT
• 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
APPLICATIONS
Excellent power line noise filters, filters for switching
regulated power supplies, DC/DC converters, SCR and Triac
controls and RFI suppression.
STANDARD ELECTRICAL SPECIFICATIONS
IND.
at 1 kHz
(µH)
DCR
RATED
INCREMENTAL
MAX.
CURRENT
CURRENT
ELECTRICAL SPECIFICATIONS
Inductance: Measured at 1 volt with no DC current
Inductance Tolerance: 15 %
(Ohms)
(Max. Amps) (AmpsApprox.)
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
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: 100 % Sn over Ni
5.6
6.8
8.2
DIMENSIONS in inches [millimeters]
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
Recommended Pad Layout
0.560 [14.224]
0.220
[5.588]
0.220
[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 %
ER
e3
MODEL
INDUCTANCE INDUCTANCE PACKAGE
JEDEC LEAD
(Pb)-FREE STANDARD
VALUE
TOLERANCE
CODE
SAP PART NUMBERING GUIDELINES (INTERNAL)
I
H
S
M
3
8
2
5
E
R
3
R
9
L
PACKAGE
CODE
INDUCTANCE
VALUE
TOL.
PRODUCT FAMILY
SIZE
www.vishay.com
68
For technical questions, contact: magnetics@vishay.com
Document Number: 34018
Revision: 10-Aug-06