Vertical Mount Power Toroidal Inductor
The Vertical Mount Power Toroidal Inductors manufactured by Engineered Components
Company are designed using stable powdered iron core material. The toroidal core inductor
design provides a low external magnetic field and a high core saturation currents.
The standard inductance value tolerance is +/-10% when measured at 1 Khz, (I
DC
=0).
Inductance values and Q values are measured on an HP 4284A LCR meter. Since inductance
varies with AC/DC current values, each end application should be evaluated to ensure proper
readings. The tabulated current ratings (Rated I
DC
)are those calculated to cause a 40 deg. C
rise in case temperature. These inductors are designed to meet the applicable portions
of MIL-C-15305, Grade 1, Class B. The operating temperature range is -55 to +125 deg. C.
Inductors are capable of withstanding 500Vdc@50 uA applied between the coil and the case.
The wound toroid inductor is secured in the housing with an epoxy resin. A portion of the
wound inductor extends above the housing and is not encapsulated. The housing material is
a Liquid Crystal Polymer, off-white in color. Marking is applied by silkscreen using blue
epoxy paint. The active inductor leads are marked by a coil symbol, while unused leads
are marked “NC”. The copper leads are tin-lead plated.
Product Selection Table
PART NUMBER L(uH) W
VMPT-1.8
1.8 0.150
VMPT-2.2
2.2 0.150
VMPT-2.7
2.7 0.200
VMPT-3.3
3.3 0.200
VMPT-3.9
3.9 0.200
VMPT-4.7
4.7 0.200
VMPT-5.6
5.6 0.200
VMPT-6.8
6.8 0.200
VMPT-8.2
8.2 0.200
VMPT-10
10.0 0.200
VMPT-12
12.0 0.250
VMPT-15
15.0 0.250
VMPT-18
18.0 0.250
VMPT-22
22.0 0.250
VMPT-27
27.0 0.250
VMPT-33
33.0 0.275
VMPT-39
39.0 0.275
VMPT-47
47.0 0.275
VMPT-56
56.0 0.275
VMPT-68
68.0 0.275
VMPT-82
82.0 0.275
VMPT-100 100.0 0.275
VMPT-120 120.0 0.350
VMPT-150 150.0 0.350
VMPT-180 180.0 0.350
VMPT-220 220.0 0.400
VMPT-270 270.0 0.400
VMPT-330 330.0 0.400
VMPT-390 390.0 0.550
VMPT-470 470.0 0.550
VMPT-560 560.0 0.600
VMPT-680 680.0 0.600
VMPT-820 820.0 0.700
VMPT-1000 1000.0 0.700
VMPT-1200 1200.0 0.725
VMPT-1500 1500.0 0.725
VMPT-1800 1800.0 0.725
L
0.275
0.275
0.325
0.325
0.325
0.325
0.325
0.325
0.325
0.325
0.425
0.425
0.425
0.425
0.425
0.600
0.600
0.600
0.600
0.600
0.600
0.600
0.650
0.650
0.650
0.750
0.750
0.750
0.900
0.900
1.000
1.000
1.200
1.200
1.400
1.400
1.400
H
0.250
0.250
0.350
0.350
0.350
0.350
0.350
0.350
0.350
0.350
0.425
0.425
0.425
0.500
0.525
0.575
0.600
0.600
0.625
0.625
0.650
0.675
0.725
0.750
0.750
0.950
0.975
0.975
1.175
1.175
1.300
1.300
1.600
1.600
1.750
1.775
1.800
A
N/A
N/A
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.100
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.150
0.200
0.200
0.200
0.200
0.200
0.200
0.400
0.400
0.400
0.400
0.500
0.500
0.500
0.500
0.500
VMPT-470
±.030
.220
H
B
L
A
W
LEAD DIAMETERS
VMPT-1.8 to VMPT-100: .020”
VMPT-120 to VMPT-470: .025”
VMPT-560 to VMPT-1800: .032”
YYWW
NC
MADE IN USA
BACK VIEW
NC
DATE CODE
Special modules can often be manufactured to provide for customer specific applications.
I
DC
(amps) readings for % drops
B DCR(ohms) RATED I
DC
(amps) 10% DROP IN L 20% DROP IN L 30% DROP IN L
0.150 0.02
1.9
0.84
1.39
1.94
0.150 0.02
1.8
0.76
1.26
1.75
0.200 0.03
2.4
1.43
2.39
3.32
0.200 0.03
2.3
1.30
2.16
3.00
0.200 0.03
2.2
1.19
1.99
2.76
0.200 0.04
2.1
1.09
1.81
2.52
0.200 0.04
2.0
0.99
1.66
2.31
0.200 0.04
1.9
0.90
1.50
2.09
0.200 0.05
1.8
0.82
1.37
1.91
0.200 0.05
1.7
0.74
1.24
1.73
0.300 0.06
2.0
0.97
1.62
2.26
0.300 0.07
1.9
0.87
1.45
2.02
0.300 0.07
1.8
0.80
1.33
1.84
0.300 0.06
2.3
0.83
1.39
1.93
0.300 0.06
2.2
0.75
1.25
1.74
0.500 0.08
2.4
0.90
1.50
2.09
0.500 0.08
2.3
0.83
1.38
1.92
0.500 0.09
2.2
0.75
1.26
1.75
0.500 0.11
2.3
0.78
1.29
1.80
0.500 0.12
2.1
0.70
1.17
1.63
0.500 0.14
2.0
0.64
1.07
1.49
0.500 0.15
1.9
0.58
0.97
1.35
0.500 0.17
2.2
0.77
1.28
1.77
0.500 0.19
2.1
0.68
1.14
1.59
0.500 0.20
2.0
0.63
1.04
1.45
0.600 0.17
2.8
0.75
1.24
1.73
0.600 0.18
2.7
0.67
1.12
1.56
0.600 0.20
2.5
0.61
1.01
1.41
0.800 0.15
3.6
0.78
1.29
1.80
0.800 0.16
3.4
0.71
1.18
1.64
0.800 0.19
3.7
0.84
1.40
1.94
0.800 0.21
3.5
0.76
1.27
1.76
1.000 0.16
4.7
0.83
1.38
1.91
1.000 0.18
4.4
0.75
1.25
1.73
1.200 0.20
4.7
0.84
1.40
1.95
1.200 0.22
4.5
0.75
1.25
1.74
1.200 0.25
4.3
0.69
1.14
1.59
Phone: 805-369-0034
Fax:
805-369-0033
Web: www.ec2.com
engineered components company
A Division of Cornucopia Tool & Plastics, Inc. PO Box 1915, 448 Sherwood Rd., Paso Robles CA 93447
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