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1812CS (4532)
Ceramic Chip Inductors

New RoHS part numbers are shown. Cadmium was removed from terminations. The next to the last character is now L to indicate RoHS compliance. Also, 10% tolerance (K) is no longer offered. (View old data sheet.)

Inductance values from 1 µH to 33 µH
Exceptionally high Q compared to non-wirewound inductors, especially at high frequencies
Ceramic construction for high self resonance up to 3 times higher than ferrite inductors
Defense Supply Center CID A-A-59740
Excellent current carrying capacity for their size
RoHS-compliant 260°C compatible. Silver-palladium-platinum-glass frit terminations.
COTS Plus tin-silver-copper and tin-lead terminations available
Samples of all values available in Coilcraft Designer's Kit C337

Photo Pricing Materials declaration PDF data sheet

SPECIFICATIONS

Q vs Frequency L vs Frequency Current Derating Dimensions

Color coding Qualification standards Tape and reel specifications

S-Parameters SPICE models

1812CS-102XJL_ 1.0 @ 7.9 MHz 5 60 @ 50 MHz 310 1.2 480

1812CS-122XJL_ 1.2 @ 7.9 MHz 5 62 @ 50 MHz 230 1.2 480

1812CS-152X_L_ 1.5 @ 7.9 MHz 5,2 65 @ 50 MHz 210 1.6 430

1812CS-182XJL_ 1.8 @ 7.9 MHz 5 68 @ 50 MHz 190 2.0 380

1812CS-222X_L_ 2.2 @ 7.9 MHz 5,2 63 @ 50 MHz 170 2.2 340

1812CS-272XJL_ 2.7 @ 7.9 MHz 5 63 @ 50 MHz 160 3.2 300

1812CS-332XJL_ 3.3 @ 7.9 MHz 5 65 @ 50 MHz 145 3.8 270

1812CS-392X_L_ 3.9 @ 7.9 MHz 5,2 69 @ 50 MHz 130 5.0 240

1812CS-472XJL_ 4.7 @ 7.9 MHz 5 63 @ 50 MHz 115 5.4 230

1812CS-562XJL_ 5.6 @ 7.9 MHz 5 59 @ 50 MHz 100 5.7 220

1812CS-682XJL_ 6.8 @ 7.9 MHz 5 60 @ 50 MHz 90 6.6 210

1812CS-822XJL_ 8.2 @ 7.9 MHz 5 47 @ 50 MHz 80 7.0 200

1812CS-103XJL_ 10 @ 7.9 MHz 5 36 @ 50 MHz 70 7.7 190

1812CS-123XJL_ 12 @ 2.5 MHz 5 35 @ 10 MHz 60 8.7 180

1812CS-153X_L_ 15 @ 2.5 MHz 5,2 34 @ 10 MHz 50 9.6 170

1812CS-183XJL_ 18 @ 2.5 MHz 5 30 @ 10 MHz 45 10.5 160

1812CS-223X_L_ 22 @ 2.5 MHz 5,2 32 @ 10 MHz 40 11.5 155

1812CS-273XJL_ 27 @ 2.5 MHz 5 29 @ 10 MHz 30 12.5 150

1812CS-333X_L_ 33 @ 2.5 MHz 5,2 20 @ 10 MHz 20 13.5 145


1	When ordering, please specify tolerance, termination and packaging codes: e.g. 1812CS-333XGLC

	Tolerance:	G = 2%, J = 5% (Table above shows stock tolerances in bold.)
	Termination:	L = RoHS compliant silver-palladium-platinum-glass frit Special order, added cost: 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" reel, machine-ready 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. Details
6	DCR measured on a Cambridge Technology Micro-ohmmeter and a Coilcraft CCF859 test fixture.
7	Irms: Current that causes a 15°C temperature rise from 25°C ambient. Details
8	Ambient temperature range:	–40°C to +125°C with Irms current. +125°C to +140°C with derated current. Derating curve
9	Storage temperature range:	Component: –40°C to +140°C Packaging: –55°C to +80°C
10	Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
11	Electrical specifications at 25°C.
12	Temperature coefficient of inductance (TCL): +25 to +125 ppm/°C. Details
See Qualification Standards for complete environmental and test data.
Refer to Soldering Coilcraft Components before soldering.

1812CS (4532) Ceramic Chip Inductors

SPECIFICATIONS