chip inductors C 1812cs series (4532) document 105-1 specifications subject to change without notice. document 105-1 revised 11/13/03 coilcraft 1812cs ceramic chip inductors are ideal for applications requiring mid-range inductance. the srfs of the parts in this series are up to 3 times higher than those of commonly available 1812 chip inductors made on ferrite cores. these parts can be ordered with ag/pd/pt terminations that make them compliant with rohs lead free standards. to request free evaluation samples, contact coilcraft or visit www.coilcraft.com . inductance 2 percent srf min 5 dcr max 6 i rms 7 part number 1 (h) tolerance 3 q min 4 (mhz) (ohms) (ma) 1812cs-102x_b_ 1.0 @ 7.9 mhz 10, 5 60 @ 50 mhz 310 1.2 480 1812cs-122x_b_ 1.2 @ 7.9 mhz 10, 5 62 @ 50 mhz 230 1.2 480 1812cs-152x_b_ 1.5 @ 7.9 mhz 10, 5,2 65 @ 50 mhz 210 1.6 430 1812cs-182x_b_ 1.8 @ 7.9 mhz 10, 5 68 @ 50 mhz 190 2.0 380 1812cs-222x_b_ 2.2 @ 7.9 mhz 10, 5 63 @ 50 mhz 170 2.2 340 1812cs-272x_b_ 2.7 @ 7.9 mhz 10, 5 63 @ 50 mhz 160 3.2 300 1812cs-332x_b_ 3.3 @ 7.9 mhz 10, 5 65 @ 50 mhz 145 3.8 270 1812cs-392x_b_ 3.9 @ 7.9 mhz 10, 5,2 69 @ 50 mhz 130 5.0 240 1812cs-472x_b_ 4.7 @ 7.9 mhz 10, 5 63 @ 50 mhz 115 5.4 230 1812cs-562x_b_ 5.6 @ 7.9 mhz 10, 5 59 @ 50 mhz 100 5.7 220 1812cs-682x_b_ 6.8 @ 7.9 mhz 10, 5 60 @ 50 mhz 90 6.6 210 1812cs-822x_b_ 8.2 @ 7.9 mhz 10, 5 47 @ 50 mhz 80 7.0 200 1812cs-103x_b_ 10.0 @ 7.9 mhz 10, 5 36 @ 50 mhz 70 7.7 190 1812cs-123x_b_ 12.0 @ 2.5 mhz 10, 5 35 @ 10 mhz 60 8.7 180 1812cs-153x_b_ 15.0 @ 2.5 mhz 10, 5 34 @ 10 mhz 50 9.6 170 1812cs-183x_b_ 18.0 @ 2.5 mhz 10, 5 30 @ 10 mhz 45 10.5 160 1812cs-223x_b_ 22.0 @ 2.5 mhz 10, 5,2 32 @ 10 mhz 40 11.5 155 1812cs-273x_b_ 27.0 @ 2.5 mhz 10, 5 29 @ 10 mhz 30 12.5 150 1812cs-333x_b_ 33.0 @ 2.5 mhz 10, 5,2 20 @ 10 mhz 20 13.5 145 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. average current for a 15c rise above 25c ambient. 8. operating temperature range ? 40c to +125c. 9. electrical specifications at 25c. see qualification standards section for environmental and test data. for part marking data see color coding section. 1. when ordering, specify tolerance, termination and packaging codes: 1812cs-333x gbc tolerance: g =2% j = 5% k = 10% (table shows stock tolerances in bold.) termination: b = standard l = rohs compliant ag/pd/pt 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 machine-ready reel. eia-481 embossed plastic tape. factory order only, not stocked (2200 parts per full reel).
chip inductors C 1812cs series (4532) document 105-2 specifications subject to change without notice. document 105-2 revised 11/13/03 typical q vs frequency typical l vs frequency i i j h a b overall f g e terminal f c d terminal wraparound: approx 0.015/0,38 both ends recommended land pattern a max b max c max d ref e f g h i j 0.195 0.150 0.135 0.070 0.100 0.025 0.128 0.120 0.045 0.118 4,95 3,81 3,43 1,78 2,54 0,64 3,25 3,05 1,14 3,00 0 10 20 30 40 110 1000 100 inductance (h) frequency (mhz) 1.8 h 8.2 h 3.9 h 15.0 h 22.0 h 33.0 h 80 70 60 50 40 30 20 10 0 1 10 100 q factor frequency (mhz) 1.8 h 3.9 h 8.2 h 15.0 h 22.0 h 33.0 h weight: 109 ? 128 mg tape and reel: 600/7 reel; 2200/13 reel 12 mm tape width for packaging data see tape and reel specifications section.
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