Document 105-1
Chip Inductors – 1812CS Series (4532)
• Higher SRF values than 1812 size parts with ferrite cores
• 5% tolerances for all values
• 19 inductance values from 1.0 to 33 µH
Inductance
2
(µH)
1.0 @ 7.9 MHz
1.2 @ 7.9 MHz
1.5 @ 7.9 MHz
1.8 @ 7.9 MHz
2.2 @ 7.9 MHz
2.7 @ 7.9 MHz
3.3 @ 7.9 MHz
3.9 @ 7.9 MHz
4.7 @ 7.9 MHz
5.6 @ 7.9 MHz
6.8 @ 7.9 MHz
8.2 @ 7.9 MHz
10 @ 7.9 MHz
12 @ 2.5 MHz
15 @ 2.5 MHz
18 @ 2.5 MHz
22 @ 2.5 MHz
27 @ 2.5 MHz
33 @ 2.5 MHz
Percent
tolerance
3
5
5
5,2
5
5,2
5,2
5,2
5,2
5
5
5
5,2
5
5
5,2
5
5,2
5
5,2
Request free evaluation samples by contacting
Coilcraft or visiting
www.coilcraft.com.
Part
1812CS-102XJL_
1812CS-122XJL_
1812CS-152X_L_
1812CS-182XJL_
1812CS-222X_L_
1812CS-272X_L_
1812CS-332X_L_
1812CS-392X_L_
1812CS-472XJL_
1812CS-562XJL_
1812CS-682XJL_
1812CS-822X_L_
1812CS-103XJL_
1812CS-123XJL_
1812CS-153X_L_
1812CS-183XJL_
1812CS-223X_L_
1812CS-273XJL_
1812CS-333X_L_
number
1
Q
60 @ 50 MHz
62 @ 50 MHz
65 @ 50 MHz
68 @ 50 MHz
63 @ 50 MHz
63 @ 50 MHz
65 @ 50 MHz
69 @ 50 MHz
63 @ 50 MHz
59 @ 50 MHz
60 @ 50 MHz
47 @ 50 MHz
36 @ 50 MHz
35 @ 10 MHz
34 @ 10 MHz
30 @ 10 MHz
32 @ 10 MHz
29 @ 10 MHz
20 @ 10 MHz
min
4
SRF min
5
(MHz)
310
230
210
190
170
160
145
130
115
100
90
80
70
60
50
45
40
30
20
DCR max
6
(Ohms)
1.2
1.2
1.6
2.0
2.2
3.2
3.8
5.0
5.4
5.7
6.6
7.0
7.7
8.7
9.6
10.5
11.5
12.5
13.5
Irms
7
(mA)
480
480
430
380
340
300
270
240
230
220
210
200
190
180
170
160
155
150
145
1. When ordering, specify
tolerance, termination
and
packaging
codes:
1812CS-333XGLC
Tolerance: G
= 2%
J
= 5% (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 using a Coilcraft SMD-A fixture in an Agilent/HP
4286A impedance analyzer with Coilcraft-provided correlation pieces.
3. Tolerances in bold are stocked for immediate shipment.
4. Q measured using an Agilent/HP 4291A with an Agilent/HP 16193 test
fixture.
5. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
6. DCR measured on a Cambridge Technology micro-ohmmeter and a
Coilcraft CCF859 test fixture.
7. Current that causes a 15°C temperature rise from 25°C ambient.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Designer’s Kit C337
contains 10 of each 5% part
Core material
Ceramic
Terminations
RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight
109 – 128 mg
Ambient temperature
–40°C to +125°C with
Irms
current, +125°C
to +140°C with derated current
Storage temperature
Component: –40°C to +140°C.
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)
+25 to +125 ppm/°C
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 per 7″ reel; 2200 per 13″ reel. Plastic tape: 12 mm wide,
0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth
PCB washing
Only pure water or alcohol recommended
Specifications subject to change without notice.
Please check our website for latest information.
Document 105-1
Revised 04/16/09
© Coilcraft, Inc. 2009
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