Document 252-1
Shielded High SRF Inductors
–
1812PS
•ꢀHigher SRF than our other power inductors
•ꢀHigh inductance with tight tolerance
•ꢀExcellent current handling for a part this size
Core material Ceramic/Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Weight 286– 323 mg
Ambient temperature –40°C to +105°C with Irms current, +105°C
to +145°C with derated current
Storage temperature Component: –40°C to +145°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
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 600 per 7″ reel; 2200 per 13″ reel;
Plastic tape: 12 mm wide, 0.25 mm thick, 4 mm pocket spacing,
3.9 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
DCR
max5
SRF
Part
L2
(µH)
%
Q
typ6 Isat7 Irms8
number1
tol3 min4 (Ohms) (MHz) (A) (A)
1. When ordering, specify tolerance and packaging codes:
1812PS-105JLC
1812PS-102_L_
1812PS-122_L_
1812PS-152_L_
1812PS-222_L_
1812PS-272_L_
1.0 10,5 35
0.05 685
0.06 460
0.06 460
0.07 270
0.08 265
2.50 2.70
2.00 2.60
2.00 2.60
1.70 2.40
1.40 2.30
1.2 10,5 38
1.5 10,5 38
2.2 10,5 38
2.7 10,5 40
3.3 10,5 40
3.9 10,5 40
4.7 10,5 40
5.6 10,5 40
6.8 10,5 40
Tolerance: J = 5% K = 10%
(Table shows stock tolerances in bold.)
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (600 parts per full reel).
1812PS-332_L_
1812PS-392_L_
1812PS-472_L_
1812PS-562_L_
1812PS-682_L_
0.09 225
0.11 170
0.11 165
0.12 155
0.13 140
1.40 2.30
1.20 2.20
1.15 2.10
1.10 2.10
1.00 1.90
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).
1812PS-103_L_
1812PS-153_L_
1812PS-223_L_
1812PS-333_L_
1812PS-393_L_
10
10,5 40
10,5 40
10,5 40
10,5 40
10,5 48
0.17 120
0.26 100
0.90 1.70
0.70 1.45
0.54 1.20
0.46 1.10
0.40 1.00
15
22
33
39
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.
0.33
0.40
0.56
45
30
30
1812PS-473_L_
1812PS-683_L_
1812PS-823_L_
1812PS-104_L_ 100
1812PS-124_L_ 120
47
68
82
10,5 50
10,5 50
10,5 55
10,5 60
10,5 60
0.87
1.08
1.25
1.32
1.45
28
17
17
14
12
0.35 0.80
0.32 0.67
0.28 0.65
0.27 0.65
0.23 0.60
1812PS-154_L_ 150
1812PS-224_L_ 220
1812PS-334_L_ 330
1812PS-474_L_ 470
1812PS-564_L_ 560
10,5 60
10,5 60
10,5 60
10,5 50
10,5 40
2.20
2.65
4.85
5.85
6.10
11
7
0.20 0.51
0.17 0.47
5.5 0.15 0.31
4.0 0.12 0.31
2.6 0.11 0.28
1812PS-684_L_ 680
1812PS-824_L_ 820
1812PS-105_L_ 1000
10,5 40
10,5 30
10,5 28 10.00
6.60
7.35
2.3 0.10 0.28
1.8 0.09 0.25
1.8 0.08 0.22
Specifications subject to change without notice.
Document 252-1 Revised 03/14/12
US +1-847-639-6400 sales@coilcraft.com
Please check our website for latest information.
UK +44-1236-730595 sales@coilcraft-europe.com
© 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.
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
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