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Document 105-1
Chip Inductors – 1812CS (4532)
Halogen
Free
AEC
Q200 +125°C
• Higher SRF values than 1812 size parts with ferrite cores
• 5% tolerances for all values
• 19 inductance values from 1.0 to 33 µH
Inductance2
Part number1
(µH)
1812CS-102XJR_ 1.0 @ 7.9 MHz
1812CS-122XJR_ 1.2 @ 7.9 MHz
1812CS-152X_R_ 1.5 @ 7.9 MHz
1812CS-182XJR_ 1.8 @ 7.9 MHz
1812CS-222X_R_ 2.2 @ 7.9 MHz
1812CS-272X_R_ 2.7 @ 7.9 MHz
1812CS-332X_R_ 3.3 @ 7.9 MHz
1812CS-392X_R_ 3.9 @ 7.9 MHz
1812CS-472XJR_ 4.7 @ 7.9 MHz
1812CS-562XJR_ 5.6 @ 7.9 MHz
1812CS-682XJR_ 6.8 @ 7.9 MHz
1812CS-822X_R_ 8.2 @ 7.9 MHz
1812CS-103XJR_
10 @ 7.9 MHz
1812CS-123XJR_
12 @ 2.5 MHz
1812CS-153X_R_
15 @ 2.5 MHz
1812CS-183XJR_
18 @ 2.5 MHz
1812CS-223X_R_
22 @ 2.5 MHz
1812CS-273XJR_
27 @ 2.5 MHz
1812CS-333X_R_
33 @ 2.5 MHz
Request free evaluation samples by contacting Coilcraft or
visiting www.coilcraft.com.
Percent SRF min5 DCR max6
Q min4
(MHz) (Ohms)
5
60 @ 50 MHz
310
1.2
5
62 @ 50 MHz
230
1.2
5,2
65 @ 50 MHz
210
1.6
5
68 @ 50 MHz
190
2.0
5,2
63 @ 50 MHz
170
2.2
5,2
63 @ 50 MHz
160
3.2
5,2
65 @ 50 MHz
145
3.8
5,2
69 @ 50 MHz
130
5.0
5
63 @ 50 MHz
115
5.4
5
59 @ 50 MHz
100
5.7
5
60 @ 50 MHz
90
6.6
5,2
47 @ 50 MHz
80
7.0
5
36 @ 50 MHz
70
7.7
5
35 @ 10 MHz
60
8.7
5,2
34 @ 10 MHz
50
9.6
5
30 @ 10 MHz
45
10.5
5,2
32 @ 10 MHz
40
11.5
5
29 @ 10 MHz
30
12.5
5,2
20 @ 10 MHz
20
13.5
tolerance3
1. When ordering, specify tolerance, termination and packaging codes:
1812CS-333XGRC
Tolerance: G = 2% J = 5%
(Table shows stock tolerances in bold.)
Termination: R = RoHS compliant matte tin over nickel over silverplatinum-glass frit.
E = Halogen free component. RoHS compliant silverpalladium-platinum-glass frit terminations.
L
= RoHS compliant, not halogen-free. Silver-palladiumplatinum-glass frit terminations.
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). Quantities less than full
reel available: in tape (not machine ready) or with
leader and trailer ($25 charge).
D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (2200 parts per
full reel).
B = Less than full reel. In an effort to simplify our part
numbering system, Coilcraft is eliminating the need
for multiple packaging codes. When ordering, simply
change the last letter of your part number from B to C.
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.
This information is for reference only and does not represent absolute
maximum ratings.
8. Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
Refer to RF Inductors – Color Coding for the explanation of color dots.
Irms7
(mA)
480
480
430
380
340
300
270
240
230
220
210
200
190
180
170
160
155
150
145
Designer’s Kit C337 contains 10 of each 5% part
Core material Ceramic
Environmental RoHS compliant, halogen free
Terminations RoHS compliant matte tin over nickel over silver
platinum-glass frit. Other terminations available at additional cost.
Weight 109 – 128 mg
Ambient temperature –40°C to +125°C with Irms current
Maximum part temperature +140°C (ambient + temp rise).
Storage temperature Component: –40°C to +140°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) +25 to +125 ppm/°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at
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