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1812FS (4532) Series

Wirewound Ferrite Beads

Coilcraft 1812FS (4532) Series wirewound ferrite beads provide high performance in transmit and receive filters. They are magnetically shielded to minimize EMI and have low DC resistance for minimal insertion loss.

Higher performance than other surface mount ferrite beads in the market
High impedance across a wide bandwidth
Ferrite construction and heavy gauge wire for high current handling
Extremely low DCR for high current applications
Eliminates high frequency noise in power supplies or RF signal isolation applications

Need parts for space, military or other critical applications?
See Coilcraft ST450PHF Series

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Part number

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Count	Unit price
1	$1.25
300	$1.12
600	$0.94
1200	$0.72
3000	$0.58
6000	$0.43

For high volume or non-stock items, request a quote.

Tolerance

K = 10%

J = 5%

Termination

R = Matte tin over nickel over silver-platinum-glass frit

L = Silver-palladium-platinum-glass frit

Packaging

C = 7" machine-ready reel

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Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (µH) 2	Tolerance (%)	Impedance typ (Ω)		SRF typ (MHz) 3	DCR max (Ω) 4	Irms (mA) 5
Part number 1	Inductance (µH) 2	Tolerance (%)	1 MHz	10 MHz	SRF typ (MHz) 3	DCR max (Ω) 4	Irms (mA) 5
1812FS-102_R_	1.0	10,5	6.3	60.9	320	0.070	2950
1812FS-122_R_	1.2	10,5	7.6	73.6	280	0.110	2600
1812FS-152_R_	1.5	10,5	9.4	91.2	200	0.105	2850
1812FS-222_R_	2.2	10,5	14.1	136	175	0.120	2700
1812FS-242_R_	2.4	10,5	15.3	149	160	0.175	2050
1812FS-272_R_	2.7	10,5	16.7	163	165	0.200	2100
1812FS-332_R_	3.3	10,5	20.2	194	160	0.185	1900
1812FS-392_R_	3.9	10,5	23.8	230	145	0.195	1700
1812FS-472_R_	4.7	10,5	29.1	279	125	0.150	1800
1812FS-562_R_	5.6	10,5	34.6	333	110	0.400	1650
1812FS-682_R_	6.8	10,5	42.8	411	110	0.350	1450
1812FS-103_R_	10	10,5	62.0	599	90.0	0.550	1400
1812FS-153_R_	15	10,5	93.9	922	75.0	0.750	1150
1812FS-223_R_	22	10,5	142	2159	15.0	0.850	855
1812FS-333_R_	33	10,5	208	5508	10.0	1.100	820
1812FS-393_R_	39	10,5	249	30259	9.8	1.100	710
1812FS-473_R_	47	10,5	312	3895	8.0	1.200	645
1812FS-683_R_	68	10,5	422	7433	14.2	1.800	650
1812FS-104_R_	100	10,5	639	1699	4.5	2.500	520
1812FS-154_R_	150	10,5	1069	1316	3.4	3.800	475
1812FS-224_R_	220	10,5	1589	1271	3.0	5.400	390
1812FS-274_R_	270	10,5	1912	1396	2.0	6.500	350
1812FS-334_R_	330	10,5	2305	1797	3.0	6.800	310
1812FS-394_R_	390	10,5	2779	1735	2.6	7.600	310
1812FS-474_R_	470	10,5	3648	1502	2.1	8.700	280
1812FS-564_R_	560	10,5	5552	1080	1.6	11.200	280
1812FS-684_R_	680	10,5	6208	1255	1.9	12.700	250
1812FS-824_R_	820	10,5	9885	1041	1.5	16.800	210
1812FS-105_R_	1000	10,5	10237	1759	1.7	19.500	160

Notes

When ordering, please specify packaging code: e.g. 1812FS-105KRC
Inductance measured at 100 kHz, 0.1 Vrms, using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent.
SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD-D test fixture.
DCR measured at 25°C on a micro-ohmmeter and a Coilcraft CCF840 test fixture. For other operating temperatures, use this DCR at Temperature calculator.
Irms: Current that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.

Termination:

R = RoHS compliant, matte tin over nickel over silver platinum-glass frit.
L = RoHS compliant silver-palladium-platinum-glass frit.

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 (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.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

−40°C to +85°C with Irms current

Storage temperature range:

Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C

Maximum part temperature:

+125°C (Ambient + temperature rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Physical characteristics

A max	B max	C max	D ref	E ref	F ref	G
0.231	0.196	0.150	0.107	0.100	0.178	0.025	inches
5,87	4,98	3,81	2,72	2,54	4,52	0,64	mm

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
600	2200*	178/330	60/100	13	18,4	12,4	12	8	4	2	3,9	0,25

* Special order

General specification

Core Material:

Ferrite

Weight:

0.33 – 0.36 g

Soldering/Washing

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.

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

1812FS (4532) Series

Wirewound Ferrite Beads

Specifications

Termination:

Packaging:

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

Related product series

1812LS (4532) Series

Warehouses

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1812FS (4532) Series

Wirewound Ferrite Beads

Selected configuration not available

Specifications

Termination:

Packaging:

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

Related product series

1812LS (4532) Series

Warning