IMC-1812
www.vishay.com
Vishay Dale
Revision: 21-Jul-15
1
Document Number: 34044
For technical questions, contact: magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Wirewound, Surface Mount, Molded Inductors
Note
(1)
Rated DC current based on the maximum temperature rise, not
to exceed 40 °C at +85 °C ambient
FEATURES
• Molded construction provides superior strength
and moisture resistance
• Tape and reel packaging for automatic
handling, 2000/reel, EIA-481
• Printed marking
• Compatible with vapor phase and infrared reflow
soldering
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
ELECTRICAL SPECIFICATIONS
Inductance range: 0.010 μH to 1000 μH
Special tolerances available upon request
Operating temperature: -55 °C to +125 °C
Coilform material: Non-magnetic for 0.010 μH to 0.82 μH
Powdered iron for 1.0 μH to 120 μH
Ferrite for 150 μH to 1000 μH
TEST EQUIPMENT
• H/P 4342A Q meter with Vishay Dale test fixture or
equivalent
• H/P 4191A RF impedance analyzer (for SRF
measurements)
• Wheatstone bridge
Note
(2)
Recommended minimum spacing between components
STANDARD ELECTRICAL SPECIFICATIONS
IND.
(μH)
TOL.
TEST FREQ.
(MHz)
Q
MIN.
SRF
MIN.
(MHz)
DCR
MAX.
()
RATED DC
CURRENT
(mA)
(1)
L & Q
0.010 ± 20 % 50.0 50 1000 0.20 450
0.012 ± 20 % 50.0 50 1000 0.20 450
0.018 ± 20 % 50.0 50 1000 0.20 450
0.022 ± 20 % 50.0 50 1000 0.20 450
0.027 ± 20 % 50.0 50 1000 0.20 450
0.033 ± 20 % 50.0 50 1000 0.30 450
0.039 ± 20 % 50.0 50 1000 0.30 450
0.047 ± 20 % 50.0 50 1000 0.30 450
0.056 ± 20 % 50.0 40 900 0.35 450
0.068 ± 20 % 50.0 40 800 0.35 450
0.082 ± 20 % 50.0 40 700 0.40 450
0.10 ± 20 % 25.2 30 650 0.32 450
0.12 ± 20 % 25.2 30 600 0.30 450
0.15 ± 20 % 25.2 30 500 0.30 450
0.18 ± 20 % 25.2 30 400 0.35 450
0.22 ± 20 % 25.2 30 350 0.40 450
0.27 ± 20 % 25.2 30 300 0.45 450
0.33 ± 20 % 25.2 30 250 0.55 430
0.39 ± 20 % 25.2 30 220 0.70 380
0.47 ± 10 % 25.2 30 190 0.80 355
0.56 ± 10 % 25.2 30 170 1.20 285
0.68 ± 10 % 25.2 30 150 1.40 270
0.82 ± 10 % 25.2 30 140 1.60 250
1.0 ± 10 % 7.96 50 100 0.50 450
1.2 ± 10 % 7.96 50 80.0 0.55 430
1.5 ± 10 % 7.96 50 70.0 0.60 410
1.8 ± 10 % 7.96 50 60.0 0.65 390
2.2 ± 10 % 7.96 50 55.0 0.70 380
2.7 ± 10 % 7.96 50 50.0 0.75 370
3.3 ± 10 % 7.96 50 45.0 0.80 355
3.9 ± 10 % 7.96 50 40.0 0.90 330
4.7 ± 10 % 7.96 50 35.0 1.00 315
5.6 ± 10 % 7.96 50 33.0 1.10 300
6.8 ± 10 % 7.96 50 27.0 1.20 285
8.2 ± 10 % 7.96 50 25.0 1.40 270
10.0 ± 10 % 2.52 50 20.0 1.60 250
12.0 ± 10 % 2.52 50 18.0 2.00 225
15.0 ± 10 % 2.52 50 17.0 2.50 200
18.0 ± 10 % 2.52 50 15.0 2.80 190
22.0 ± 10 % 2.52 50 13.0 3.20 180
27.0 ± 10 % 2.52 50 12.0 3.60 170
33.0 ± 10 % 2.52 50 11.0 4.00 160
39.0 ± 10 % 2.52 50 11.0 4.50 150
47.0 ± 10 % 2.52 50 10.0 5.00 140
56.0 ± 10 % 2.52 50 9.0 5.50 135
68.0 ± 10 % 2.52 50 9.0 6.00 130
82.0 ± 10 % 2.52 50 8.0 7.00 120
100.0 ± 10 % 0.79 40 8.0 8.00 110
120.0 ± 10 % 0.79 40 6.0 8.00 110
150.0 ± 10 % 0.79 40 5.0 9.00 105
180.0 ± 10 % 0.79 40 5.0 9.50 102
220.0 ± 10 % 0.79 40 4.0 10.0 100
270.0 ± 10 % 0.79 40 4.0 12.0 92
330.0 ± 10 % 0.79 40 3.5 14.0 85
390.0 ± 10 % 0.79 40 3.0 16.0 80
470.0 ± 10 % 0.79 40 3.0 26.0 62
560.0 ± 10 % 0.79 30 3.0 30.0 50
680.0 ± 10 % 0.79 30 3.0 30.0 50
820.0 ± 10 % 0.79 30 2.5 35.0 30
1000.0 ± 10 % 0.25 30 2.5 40.0 30
DIMENSIONS in inches [millimeters]
PART MARKING
- Vishay Dale
- Inductance value
- Date code
Guidelines for
Parallel Component
Printed Circuit
Mounting Pads on
IMC-1812 Chip
Inductors
0.037 ± 0.008
[0.940 ± 0.203]
0.126 ± 0.008
[3.200 ± 0.203]
0.050
+ 0.004
- 0.008
Typ.
[1.270 ]
+ 0.102
- 0.203
0.024
(1)
[0.6]
0.059
[1.5]
0.059
[1.5]
0.118 [3.0]
0.158
[4.0]
0.158
[4.0]
0.181
[4.6]
0.124 [3.15]
Ref.
0.126 ± 0.008
[3.200 ± 0.203]
0.177 ± 0.008
[4.500 ± 0.203]
0.030 ± 0.004
[0.762 ± 0.102]
Typ.
0.006 [0.152]
Ref. Typ.
