? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. high l filter inductors C 1812fs series document 254-1 document 254-1 revised 04/13/05 these shielded chip inductors have been specially de- signed for high performance in transmit and receive filters. they feature high inductance, an exceptionally wide frequency range, low dc resistance and magnetic shielding to reduce crosstalk. only 3,81 mm high, these inductors have a ferrite cover that provides magnetic shielding and the best possible surface for pick and place handling. to request free evaluation samples, contact coilcraft or visit www.coilcraft.com . dcr 5 srf 6 l 2 percent 3 q 4 max typ i sat 7 i rms 8 part number 1 (h) tol min (ohms) (mhz) (ma) (ma) 1812fs-683_x_ 68 10 ,5 45 1.8 22.0 300 650 1812fs-154_x_ 150 10 ,5 40 3.8 3.4 210 475 1812fs-224_x_ 220 10 ,5 45 5.4 3.0 160 390 1812fs-274_x_ 270 10 ,5 35 6.5 2.0 120 350 1812fs-334_x_ 330 10 ,5 45 6.8 3.0 140 310 1812fs-394_x_ 390 10 ,5 45 7.6 2.6 120 310 1812fs-474_x_ 470 10 ,5 35 8.7 2.10 110 280 1812fs-564_x_ 560 10 ,5 20 11.2 1.60 100 280 1812fs-684_x_ 680 10 ,5 25 12.7 1.90 100 250 1812fs-824_x_ 820 10 ,5 25 16.8 1.45 90 210 1812fs-105_x_ 1000 10 ,5 30 19.5 1.68 90 160 1. when ordering, please specify tolerance and packaging codes: 1812fs-105 j x c tolerance: j =5% k = 10% (table 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. on tape, but not machine ready. to have a leader and a trailer added ($25 charge), use code letter c instead. d =13 machine-ready reel. eia-481 embossed plastic tape (2200 parts per full reel). 2. inductance measured at 100 khz, 0.1 vrms, 0 adc using a coilcraft smd-a fixture in an agilent/hp 4263b impedance analyzer. 3. tolerances in bold are stocked for immediate shipment. 4. q measured at 1 mhz on 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. 7. dc current at which the inductance drops 10% (typ) from its value without current. 8. average current for a 40c rise above 25c ambient. 9. operating temperature range -40c to +85c. 10. electrical specifications at 25c. see qualification standards section for environmental and test data.
? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. document 254-2 document 254-2 revised 12/14/04 high l filter inductors C 1812fs series 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 5,87 4,98 3,81 2,72 2,54 4,52 0,64 af b overall d e terminal g c 0.120 3,05 0.045 1,14 0.118 3,00 recommended land pattern typical l vs frequency typical l vs current 10 100 1000 10000 0.1 1 10 frequency (mhz) inductance (h) 1000 h 390 h 68 h 10 100 1000 10000 10 100 1000 current (ma) inductance (h) 1000 h 390 h 68 h terminations: silver-palladium-platinum tape and reel: 600/7 reel; 2200/13 reel 12 mm tape width for packaging data see tape and reel specifications section.
|
