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Document 106-1
Chip Inductors
–
1812LS Series (4532)
• Highest inductance values of all our chip inductors
• Ferrite construction for high current handling
• Inductance values from 12 – 1000 µH
Request free evaluation samples by contacting Coilcraft
or visiting www.coilcraft.com.
Inductance2
(µH)
Percent
tolerance
Q
Test freq
(MHz)
SRF typ4
(MHz)
DCR max5
(Ohms)
Irms6
(mA)
Part number1
typ3
1812LS-123XJR_
1812LS-153XJR_
1812LS-183XJR_
1812LS-223XJR_
1812LS-273XJR_
12
15
18
22
27
5
5
5
5
5
42
42
45
45
45
2.5
2.5
2.5
2.5
2.5
85
70
52
58
46
2.0
2.5
2.8
3.2
3.6
310
290
270
260
240
1812LS-333XJR_
1812LS-393XJR_
1812LS-473XJR_
1812LS-563XJR_
1812LS-683XJR_
33
39
47
56
68
5
5
5
5
5
45
45
42
42
40
2.5
2.5
2.5
2.5
2.5
40
30
24
20
16
4.0
4.5
5.0
5.5
6.0
230
210
200
190
180
1812LS-823XJR_
1812LS-104XJR_
1812LS-124XJR_
1812LS-154XJR_
1812LS-184XJR_
82
100
120
150
180
5
5
5
5
5
40
40
33
36
36
2.5
2.5
0.79
0.79
0.79
13.5
12.0
14.5
11.5
9.3
7.0
8.0
11.5
13.0
14.2
170
150
135
125
120
1812LS-224XJR_
1812LS-274XJR_
1812LS-334XJR_
1812LS-394XJR_
1812LS-474XJR_
220
270
330
390
470
5
5
5
5
5
38
38
38
38
38
0.79
0.79
0.79
0.79
0.79
7.6
8.3
7.0
5.2
4.4
16.2
20.5
22.5
24.5
26.5
115
105
100
90
85
1812LS-564XJR_
1812LS-684XJR_
1812LS-824XJR_
1812LS-105XJR_
560
680
820
5
5
5
5
33
25
25
30
0.79
0.79
0.79
0.79
2.8
2.3
2.1
1.9
28.5
38.0
41.0
44.0
75
60
55
50
1000
1. When ordering, please specify termination and packaging codes:
1812LS-105XJRC
2. Inductance at 2.5 MHz measured using an Agilent/HP 4286A and
a Coilcraft SMD-A fixture with Coilcraft-provided correlation pieces.
Inductance at 0.79 MHz measured using an Agilent/HP 4192A and
Coilcraft SMD-B test fixture.
3. Q read at test frequency directly on an Agilent/HP 4192A LF
impedance analyzer and a Coilcraft SMD-B test fixture.
4. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
5. DCR measured on a Cambridge Technology micro-ohmmeter.
6. Current that causes a 15°C temperature rise from 25°C ambient. This
information is for reference only and does not represent absolute
maximum ratings.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Visit http://www.coilcraft.com/colrcode.cfm for part marking data.
Termination: R = RoHS compliant matte tin over nickel over silver-
platinum-glass frit.
L = RoHS compliant silver-palladium-platinum-glass frit.
Special order: T = RoHS tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (600 per full reel). Quantities less than full reel
available: in tape (not machine ready) or with leader
and trailer ($25 charge).
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (2200 per
full reel).
B = Less than full reel. In an effort to simplify our part
numbering system, Coilcraft is eliminating the need
for multiple packaging codes. When ordering, simply
change the last letter of your part number from B to C.
Document 106-1 Revised 08/08/22
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2022
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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