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
min3
1812LS-123XJL_
1812LS-153XJL_
1812LS-183XJL_
1812LS-223XJL_
1812LS-273XJL_
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-333XJL_
1812LS-393XJL_
1812LS-473XJL_
1812LS-563XJL_
1812LS-683XJL_
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-823XJL_
1812LS-104XJL_
1812LS-124XJL_
1812LS-154XJL_
1812LS-184XJL_
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-224XJL_
1812LS-274XJL_
1812LS-334XJL_
1812LS-394XJL_
1812LS-474XJL_
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-564XJL_
1812LS-684XJL_
1812LS-824XJL_
1812LS-105XJL_
560
680
820
5
5
5
5
33
33
30
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-105XJLC
Termination: 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).
Designer’s Kit C314 contains 10 of each value
Core material Ferrite
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight 142 – 171 mg
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
Ambient temperature –40°C to +85°C with Irms current, +85°C to
tape (600 per full reel).
+100°C with derated current
B = Less than full reel. In tape, but not machine-ready.
To have a leader and trailer added ($25 charge),
use code letter C instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (2200 per full
reel).
Storage temperature Component: –40°C to +100°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL) +200 to +700 ppm/°C
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 imped-
ance 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.
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
One per billion hours / one billion hours, calculated per Telcordia SR-332
Packaging 600/7″ reel; 2200/13″ reel. Plastic tape: 12 mm wide,
0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other
solvents, see Doc787_PCB_Washing.pdf
6. Current that causes a 15°C temperature rise from 25°C ambient.
Because of their open construction, these parts will not saturate.
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.
Document 106-1 Revised 01/19/12
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. 2013
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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