Document Number: 34152 For technical questions, contact: magnetics@vishay.com
www.vishay.com
Revision: 28-Feb-11 1
Wirewound, Surface Mount, Molded Inductors
IMCH-1812
Vishay Dale
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, 500/reel, EIA-481
• Compatible with vapor phase, infrared and
wave soldering methods
• Compliant to RoHS Directive 2002/95/EC
ELECTRICAL SPECIFICATIONS
Inductance Range: 1 μH to 330 μH
Inductance Tolerance: ± 10 %
Operating Temperature: - 40 °C to + 85 °C
Storage Temperature: - 40 °C to + 100 °C
TEST EQUIPMENT
• L & Q: H/P 4285A
• SRF: H/P 4286A
• DCR: H/P 34401
STANDARD ELECTRICAL SPECIFICATIONS
IND.
(μH) TOL.
TEST
FREQ.
(MHz)
Q
MIN.
SRF
MIN.
(MHz)
DCR
MAX.
()
RATED DC
CURRENT
(mA)
(1)
L & Q
1.0 ± 10 % 7.96 10 200 0.11 1050
1.2 ± 10 % 7.96 10 160 0.12 1000
1.5 ± 10 % 7.96 10 130 0.15 950
1.8 ± 10 % 7.96 10 100 0.16 900
2.2 ± 10 % 7.96 10 60.0 0.18 850
2.7 ± 10 % 7.96 10 60.0 0.20 800
3.3 ± 10 % 7.96 10 45.0 0.22 750
3.9 ± 10 % 7.90 10 40.0 0.24 700
4.7 ± 10 % 7.96 10 35.0 0.3 650
5.6 ± 10 % 7.96 10 30.0 0.3 650
6.8 ± 10 % 7.96 10 28.0 0.4 600
8.2 ± 10 % 7.96 10 25.0 0.4 600
10 ± 10 % 2.52 10 22.0 0.5 550
12 ± 10 % 2.52 10 21.0 0.6 500
15 ± 10 % 2.52 10 20.0 0.7 450
18 ± 10 % 2.52 10 19.0 0.8 400
22 ± 10 % 2.52 10 18.0 0.9 370
27 ± 10 % 2.52 10 16.0 1.2 330
33 ± 10 % 2.52 10 14.0 1.4 300
39 ± 10 % 2.52 10 12.0 1.6 280
47 ± 10 % 2.52 10 11.5 1.9 260
56 ± 10 % 2.52 10 11.0 2.2 240
68 ± 10 % 2.52 10 10.0 2.6 220
82 ± 10 % 2.52 10 9.0 3.5 200
100 ± 10 % 0.796 20 8.0 4.0 180
120 ± 10 % 0.796 20 6.5 4.5 160
150 ± 10 % 0.796 20 7.0 6.5 140
180 ± 10 % 0.796 20 5.5 7.5 120
220 ± 10 % 0.796 20 5.5 9 120
270 ± 10 % 0.796 20 5.0 11 100
330 ± 10 % 0.796 20 4.0 13 90
DIMENSIONS in inches [millimeters]
ABC
0.177 ± 0.012
[4.5 ± 0.3]
0.126 ± 0.012
[3.2 ± 0.3]
0.126 ± 0.012
[3.2 ± 0.3]
DE
0.055 ± 0.016
[1.4 ± 0.4]
0.035 ± 0.008
[0.9 ± 0.2]
PART MARKING
- Inductance value
A
E
C
D
B
DESCRIPTION
IMCH-1812 22 μH ± 10 % ER e3
MODEL INDUCTANCE VALUE INDUCTANCE TOLERANCE PACKAGE CODE JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
IMCH 1812 ER 220 K
PRODUCT FAMILY SIZE PACKAGE
CODE
INDUCTANCE
VALUE
TOL.