 
1812FS Series
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| New RoHS part numbers are shown. Cadmium was removed from terminations. The second to the last character is now L to indicate RoHS compliance. (View old data sheet.) |
- 5% tolerance parts in stock
- High performance in transmit and receive filters
- Low DC resistance
- Magnetically shielded
- Only 3,81 mm high
- RoHS-compliant. 260°C compatible. Silver-palladium-platinum-glass frit terminations.
Photo 
Pricing 
Materials declaration 
PDF data sheet
SPECIFICATIONS
L vs Frequency L vs Current
Current Derating
Core loss
Dimensions 
Tape and reel specifications 
SPICE models
3D model
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| 1812FS-102_L_ | 1.0 | 10,5 | 30 | 0.070 | 320 | 3100 | 2950 |
| 1812FS-122_L_ | 1.2 | 10,5 | 35 | 0.110 | 280 | 2800 | 2600 |
| 1812FS-152_L_ | 1.5 | 10,5 | 20 | 0.105 | 200 | 2100 | 2850 |
| 1812FS-222_L_ | 2.2 | 10,5 | 30 | 0.120 | 175 | 1800 | 2700 |
| 1812FS-242_L_ | 2.4 | 10,5 | 25 | 0.175 | 160 | 1900 | 2050 |
| 1812FS-272_L_ | 2.7 | 10,5 | 30 | 0.200 | 165 | 1400 | 2100 |
| 1812FS-332_L_ | 3.3 | 10,5 | 33 | 0.185 | 160 | 1400 | 1900 |
| 1812FS-392_L_ | 3.9 | 10,5 | 32 | 0.195 | 145 | 1300 | 1700 |
| 1812FS-472_L_ | 4.7 | 10,5 | 28 | 0.15 | 125 | 1000 | 1800 |
| 1812FS-562_L_ | 5.6 | 10,5 | 35 | 0.40 | 110 | 1000 | 1650 |
| 1812FS-682_L_ | 6.8 | 10,5 | 35 | 0.35 | 110 | 850 | 1450 |
| 1812FS-103_L_ | 10 | 10,5 | 35 | 0.55 | 90 | 710 | 1400 |
| 1812FS-153_L_ | 15 | 10,5 | 40 | 0.75 | 75 | 680 | 1150 |
| 1812FS-223_L_ | 22 | 10,5 | 45 | 0.85 | 15 | 600 | 855 |
| 1812FS-333_L_ | 33 | 10,5 | 45 | 1.1 | 10 | 540 | 820 |
| 1812FS-393_L_ | 39 | 10,5 | 45 | 1.1 | 9.8 | 500 | 710 |
| 1812FS-473_L_ | 47 | 10,5 | 45 | 1.2 | 8.0 | 390 | 645 |
| 1812FS-683_L_ | 68 | 10,5 | 45 | 1.8 | 22.0 | 260 | 650 |
| 1812FS-104_L_ | 100 | 10,5 | 45 | 2.5 | 4.5 | 260 | 520 |
| 1812FS-154_L_ | 150 | 10,5 | 40 | 3.8 | 3.4 | 220 | 475 |
| 1812FS-224_L_ | 220 | 10,5 | 45 | 5.4 | 3.0 | 180 | 390 |
| 1812FS-274_L_ | 270 | 10,5 | 35 | 6.5 | 2.0 | 150 | 350 |
| 1812FS-334_L_ | 330 | 10,5 | 45 | 6.8 | 3.0 | 150 | 310 |
| 1812FS-394_L_ | 390 | 10,5 | 35 | 7.6 | 2.6 | 140 | 310 |
| 1812FS-474_L_ | 470 | 10,5 | 35 | 8.7 | 2.10 | 130 | 280 |
| 1812FS-564_L_ | 560 | 10,5 | 20 | 11.2 | 1.60 | 110 | 280 |
| 1812FS-684_L_ | 680 | 10,5 | 25 | 12.7 | 1.90 | 100 | 250 |
| 1812FS-824_L_ | 820 | 10,5 | 25 | 16.8 | 1.45 | 90 | 210 |
| 1812FS-105_L_ | 1000 | 10,5 | 30 | 19.5 | 1.68 | 90 | 160 |
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| 1 | When ordering, please specify tolerance and packaging codes: e.g. 1812FS-105KLC |
| Tolerance: | J = 5%, K = 10% (Table above 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 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 at 100 kHz, 0.1 Vrms, using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent. | |
| 3 | Tolerances in bold are stocked for immediate shipment. | |
| 4 | Q measured at 1 MHz using 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. Details | |
| 7 | Isat: DC current at which the inductance drops 10% (typ.) from its value without current. Details | |
| 8 | Irms: Current that causes a 40°C temperature rise from 25°C ambient. Details | |
| 9 | Ambient temperature range: |
–40°C to +85°C with Irms current. +85°C to +125°C with derated current. Derating curve |
| 10 | Storage temperature range: | Component: –40°C to +125°C T&R packaging: –40°C to +80°C |
| 11 | 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. | |
| 12 | Electrical specifications at 25°C. | |
| 13 | Temperature coefficient of inductance (TCL): +200 to +700 ppm/°C. | |
| Refer to Soldering Coilcraft Components before soldering. | ||
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