© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Power Chip Inductors–1812PS Series
Document 252-1
Document 252-1
Revised 08/17/09
DCR
SRF
Part
L2
%
Q
max5
typ6
Isat7 Irms8
number1
(µH)
tol3
min4 (Ohms) (MHz)
(A)
(A)
1812PS-102_L_
1.0 10,5
35
0.05
685
2.50 2.70
1812PS-122_L_
1.2 10,5
38
0.06
460
2.00 2.60
1812PS-152_L_
1.5 10,5
38
0.06
460
2.00 2.60
1812PS-222_L_
2.2 10,5
38
0.07
270
1.70 2.40
1812PS-272_L_
2.7 10,5
40
0.08
265
1.40 2.30
1812PS-332_L_
3.3 10,5
40
0.09
225
1.40 2.30
1812PS-392_L_
3.9 10,5
40
0.11
170
1.20 2.20
1812PS-472_L_
4.7 10,5
40
0.11
165
1.15 2.10
1812PS-562_L_
5.6 10,5
40
0.12
155
1.10 2.10
1812PS-682_L_
6.8 10,5
40
0.13
140
1.00 1.90
1812PS-103_L_
10
10,5
40
0.17
120
0.90 1.70
1812PS-153_L_
15
10,5
40
0.26
100
0.70 1.45
1812PS-223_L_
22
10,5
40
0.33
45
0.54 1.20
1812PS-333_L_
33
10,5
40
0.40
30
0.46 1.10
1812PS-393_L_
39
10,5
48
0.56
30
0.40 1.00
1812PS-473_L_
47
10,5
50
0.87
28
0.35 0.80
1812PS-683_L_
68
10,5
50
1.08
17
0.32 0.67
1812PS-823_L_
82
10,5
55
1.25
17
0.28 0.65
1812PS-104_L_
100
10,5
60
1.32
14
0.27 0.65
1812PS-124_L_
120
10,5
60
1.45
12
0.23 0.60
1812PS-154_L_
150
10,5
60
2.20
11
0.20 0.51
1812PS-224_L_
220
10,5
60
2.65
7
0.17 0.47
1812PS-334_L_
330
10,5
60
4.85
5.5 0.15 0.31
1812PS-474_L_
470
10,5
50
5.85
4.0 0.12 0.31
1812PS-564_L_
560
10,5
40
6.10
2.6 0.11 0.28
1812PS-684_L_
680
10,5
40
6.60
2.3 0.10 0.28
1812PS-824_L_
820
10,5
30
7.35
1.8 0.09 0.25
1812PS-105_L_
1000
10,5
28
10.00
1.8 0.08 0.22
1. When ordering, specify tolerance, termination and packaging codes:
1812PS-105
JLC
Tolerance:
J =5%
K = 10%
(Table shows stock tolerances in bold.)
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).
Packaging:
C =7
″ machine-ready reel. EIA-481 embossed plastic
tape (600 parts per full reel).
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 parts per
full reel).
2. Inductance measured at 100 kHz, 0.1 Vrms, using aCoilcraft SMD-A
fixture in an Agilent/HP 4263B LCR meter.
3. Tolerances in bold are stocked for immediate shipment.
4. Q measured at 1 MHz on an Agilent/HP 4291 with an Agilent/HP 16193
test fixture.
5. DCR measured on micro-ohmmeter and a Coilcraft CCF840 test fixture.
6. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
7. DC current at which the inductance drops 10% (typ) from its value
without current.
8. Current that causes a 40°C temperature rise from 25°C ambient.
9. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
• Economical alternative to larger shielded power inductors.
• Ferrite cover provides magnetic shielding
For new designs, we recommend the LPS4018 or
LPS5030 as an alternative to this series. They offer
better current handling, lower DCR, a lower profile and
a smaller footprint. We will continue to manufacture
and support the 1812PS.
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