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Document 254-1
Filter Inductors – 1812FS Series
• Magnetically shielded chip inductors
• Provides high performance in transmit and receive filters
• 29 inductance values from 1.0 – 1000 µH
Core material
Ceramic/Ferrite
Terminations
RoHS compliant silver-palladium-platinum-glass frit.
Weight
0.33 – 0.36 g
Ambient temperature
–40°C to +85°C with
Irms
current
Maximum part temperature
+125°C (ambient + temp rise).
Derating.
Storage temperature
Component: –40°C to +125°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
600/7″ reel; 2200/13″ reel. Plastic tape: 12 mm wide,
0.25 mm thick, 8 mm pocket spacing, 3.9 mm pocket depth
PCB washing
Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See
Doc787_PCB_Washing.pdf.
DCR
5
max
(Ohms)
0.070
0.110
0.105
0.120
0.175
0.200
0.185
0.195
0.15
0.40
0.35
0.55
0.75
0.85
1.1
1.1
1.2
1.8
2.5
3.8
5.4
6.5
6.8
7.6
8.7
11.2
12.7
16.8
19.5
SRF
6
typ
Isat
7
(MHz) (mA)
320
3100
280
2800
200
2100
175
1800
160
1900
165
1400
160
1400
145
1300
125
1000
110
1000
110
850
90
710
75
680
15
600
10
540
9.8 500
8.0 390
14.2 260
4.5 260
3.4 220
3.0 180
2.0 150
3.0 150
2.6 140
2.1 130
1.60 110
1.90 100
1.45 90
1.68 90
1. When ordering, please specify
tolerance
and
packaging
codes:
1812FS-105JLC
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).
B
= Less than full reel. On tape, but not machine ready.
To have a leader and a trailer added ($25 charge),
use code letter C instead.
D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape (2200 parts per full reel).
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft
SMD-A fixture in an Agilent/HP 4263B impedance analyzer.
3. Tolerances in bold are stocked for immediate shipment.
4. Q measured at 1 MHz on an Agilent/HP 4291A with an Agilent/
HP 16193 test fixture.
5. DCR measured on a 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 25°C that causes an inductance drop of 10% (typ) from
its value without current.
Click for temperature derating information.
8. Current that causes a 40°C temperature rise from 25°C ambient. This
information is for reference only and does not represent absolute maxi-
mum ratings.
Click for temperature derating information.
9. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Part number
1
1812FS-102_L_
1812FS-122_L_
1812FS-152_L_
1812FS-222_L_
1812FS-242_L_
1812FS-272_L_
1812FS-332_L_
1812FS-392_L_
1812FS-472_L_
1812FS-562_L_
1812FS-682_L_
1812FS-103_L_
1812FS-153_L_
1812FS-223_L_
1812FS-333_L_
1812FS-393_L_
1812FS-473_L_
1812FS-683_L_
1812FS-104_L_
1812FS-154_L_
1812FS-224_L_
1812FS-274_L_
1812FS-334_L_
1812FS-394_L_
1812FS-474_L_
1812FS-564_L_
1812FS-684_L_
1812FS-824_L_
1812FS-105_L_
L
2
(µH)
1.0
1.2
1.5
2.2
2.4
2.7
3.3
3.9
4.7
5.6
6.8
10
15
22
33
39
47
68
100
150
220
270
330
390
470
560
680
820
1000
%
3
tol
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
10,5
Q
4
min
30
35
20
30
25
30
33
32
28
35
35
35
40
45
45
45
45
45
45
40
45
35
45
35
35
20
25
25
30
Irms
8
(mA)
2950
2600
2850
2700
2050
2100
1900
1700
1800
1650
1450
1400
1150
855
820
710
645
650
520
475
390
350
310
310
280
280
250
210
160
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
Document 254-1
Revised 10/12/15
© Coilcraft Inc. 2017
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.
Document 254-2
Filter Inductors – 1812FS Series
Typical L vs Frequency
10000
1000 µH
Typical L vs Current
10000
1000
1000
1000 µH
Inductance (µH)
100
100 µH
Inductance (µH)
100
100 µH
10
10 µH
10
10 µH
1
1 µH
1
1 µH
0.1
0.01
0.1
1
10
0.1
0.01
0.1
1
10
Frequency (MHz)
Current (A)
B
overall
C
0.045
1,14
0.120
3,05
A F
G
E
terminal
D
0.118
3,00
Recommended
Land Pattern
F ref
0.178
4,52
G
0.025 inches
0,64 mm
A max
0.231
5,87
B max C max
0.196 0.150
4,98
3,81
D ref
0.107
2,72
E ref
0.100
2,54
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
Document 254-2
Revised 10/12/15
© Coilcraft Inc. 2017
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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