IHD
Vishay Dale
Filter Inductors
High Current
FEATURES
• Printed circuit mounting (axial leads).
• Protected by polyolefin tubing.
• High saturation bobbin used allowing high inductance with low DC resistance.
• Pre-tinned leads.
• High resistivity core offers very high parallel resistance, resulting in maximum
coil performance.
• 20 sleeveless models available at reduced cost.
ELECTRICAL SPECIFICATIONS
Inductance: Measured at 1V with no DC
current.
Incremental Current: The typical current
at which the inductance will be decreased
by 5% from its initial zero DC value.
Dielectric Rating: 2500VRMS between
winding and outer circumference to within
0.250" [6.35mm] of the insulating sleeve
edge.
Operating Temperature:
- 55°C to + 125°C (no load).
- 55°C to + 85°C (at full rated current).
Current Rating: Maximum continuous.
Operating current (DC or RMS) based on a
40°C temperature rise.
STANDARD ELECTRICAL SPECIFICATIONS
MODEL IHD-1
MODEL IHD-3
INCRE-
RATED MENTAL
CURRENTCURRENT
INCRE-
MENTAL
CURRENT
(Amps
RATED
DCR CURRENT
MAX. (Max.
(Ohms) Amps)
IND.
DCR
IND.
@ 1kHz
MAX.
(Max.
(Amps @ 1kHz
(µH) TOL. (Ohms)
(µH) TOL.
Amps) Approx.)
Approx.)
± 15% 0.009
± 15% 0.010
± 15% 0.011
± 15% 0.012
± 15% 0.013
± 15% 0.014
± 15% 0.016
± 15% 0.017
± 15% 0.022
± 15% 0.024
± 15% 0.026
± 15% 0.028
± 15% 0.033
± 15% 0.037
± 15% 0.040
± 15% 0.044
± 15% 0.050
± 15% 0.070
± 15% 0.075
± 15% 0.084
± 15% 0.104
± 15% 0.130
± 15% 0.145
± 15% 0.152
± 15% 0.208
± 15% 0.283
± 15% 0.330
± 15% 0.362
± 15% 0.505
± 15% 0.557
± 15% 0.650
± 15% 0.770
± 15% 1.03
± 15% 1.14
± 15% 1.50
± 15% 1.98
± 15% 2.30
± 15% 2.55
± 15% 3.0
± 15% 4.0
± 15% 4.40
± 15% 5.80
± 15% 6.56
± 15% 8.63
± 15% 10.1
± 15% 11.2
± 15% 15.0
± 15% 20.8
3.9 ± 15%
4.7 ± 15%
5.6 ± 15%
6.8 ± 15%
8.2 ± 15%
10.0 ± 15%
12.0 ± 15%
15.0 ± 15%
18.0 ± 15%
22.0 ± 15%
27.0 ± 15%
33.0 ± 15%
39.0 ± 15%
47.0 ± 15%
56.0 ± 15%
68.0 ± 15%
82.0 ± 15%
100.0 ± 15%
120.0 ± 15%
150.0 ± 15%
180.0 ± 15%
220.0 ± 15%
270.0 ± 15%
330.0 ± 15%
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
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
12000
15000
18000
5.3
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.4
3.2
3.1
3.0
2.8
2.6
2.5
2.4
2.2
1.9
1.8
1.7
1.6
1.4
1.3
1.3
1.1
0.94
0.87
0.83
0.70
0.67
0.62
0.57
0.49
0.47
0.41
0.36
0.33
0.31
0.29
0.25
0.24
0.21
0.20
0.17
0.16
0.15
0.13
0.11
0.10
0.10
0.08
0.08
7.0
6.4
5.7
5.2
4.7
4.3
3.9
3.6
3.3
3.0
2.7
2.5
2.3
2.1
1.9
1.7
1.5
8.2
7.5
0.007
0.008
0.011
0.011
0.013
0.016
0.018
0.020
0.022
0.024
0.025
0.028
0.031
0.034
0.043
0.059
0.066
0.084
0.113
0.129
0.150
0.162
0.226
0.257
0.288
0.393
0.504
0.570
0.643
0.844
0.977
1.18
4.0
4.0
6.9
4.0
6.3
4.0
5.7
4.0
5.2
4.0
4.7
4.0
4.3
4.0
3.9
4.0
3.5
4.0
3.2
4.0
MECHANICAL SPECIFICATIONS
2.9
4.0
Wire: Solid soft copper.
2.7
4.0
Terminals: 20 AWG tinned copper leads.
Coating: Polyolefin tubing - flame
retardant UL type VW-1 per MIL-I-23053/5,
Class 3 requirements.
2.5
4.0
2.3
3.2
2.1
2.5
1.9
2.0
1.7
1.6
Core Material: Ferrite.
1.4
1.3
1.2
1.1
1.6
1.6
1.4
1.6
DIMENSIONS in inches [millimeters]
1.3
1.6
1.2
1.6
0.97
0.88
0.80
0.73
0.66
0.60
0.54
0.49
0.45
0.40
0.37
0.34
0.31
0.28
0.26
0.23
0.21
0.19
0.18
0.16
0.14
0.13
0.12
0.11
0.10
0.09
0.08
0.08
0.07
0.06
0.06
1.1
1.6
1.13 [28.70]
B Max.
0.95
0.88
0.80
0.74
0.67
0.61
0.56
0.51
0.46
0.42
0.38
0.34
0.31
0.29
0.26
0.24
0.22
0.20
0.18
0.17
0.15
0.14
0.12
0.11
0.10
0.09
0.09
0.08
0.07
0.07
0.06
1.6
Min. Typ.
390.0 ± 15%
1.6
470.0 ± 15%
560.0 ± 15%
680.0 ± 15%
820.0 ± 15%
1000.0 ± 15%
1200.0 ± 15%
1500.0 ± 15%
1800.0 ± 15%
2200.0 ± 15%
2700.0 ± 15%
3300.0 ± 15%
3900.0 ± 15%
4700.0 ± 15%
5600.0 ± 15%
6800.0 ± 15%
8200.0 ± 15%
10000.0 ± 15%
12000.0 ± 15%
15000.0 ± 15%
18000.0 ± 15%
22000.0 ± 15%
27000.0 ± 15%
33000.0 ± 15%
39000.0 ± 15%
47000.0 ± 15%
56000.0 ± 15%
68000.0 ± 15%
82000.0 ± 15%
100000.0 ± 15%
1.2
1.0
0.032 [0.813]
Dia. Typ.
1.0
0.80
0.80
0.60
0.60
0.60
0.50
0.40
0.40
0.40
0.40
0.32
0.25
0.25
0.25
0.20
0.20
0.16
0.13
0.13
0.13
0.10
0.10
0.10
0.08
0.07
0.07
A Dia.
Max.
#20 AWG
1.50
1.76
2.13
2.53
MODEL
IHD-1
IHD-3
A (Max.)
B (Max.)
2.84
3.79
0.270 [6.85]
0.460 [11.68]
0.700 [17.78]
0.900 [22.86]
4.24
5.75
6.44
7.30
MARKING
9.34
— Vishay Dale
10.7
— Model
14.8
— Value
18.0
— Date code
22.7
25.7
29.7
ORDERING INFORMATION
33.7
± 15%
23.4
38.0
IHD-1
MODEL
± 15%
INDUCTANCE
TOLERANCE
3.9µH
INDUCTANCE
VALUE
± 15% 26.0
± 15% 36.0
± 15% 40.0
52.8
67.3
76.0
Document Number 34016
Revision 07-Dec-01
For technical questions, contact Magnetics@vishay.com
www.vishay.com
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