csm 0840 d series smd wire wound power inductors (shielded) r ev. a a. electrical specifications: p/n l (uh) tol. mark test freq. (khz) srf min. (mhz) dcr max. (m ? 0.9 30% r90 100 85 7.80 12.0 8.00 csm0840d - 1r4 n 1.4 30% 1r4 100 63 9.10 10.8 7.80 csm0840d - 2r0 n 2.0 30% 2r 0 100 50 11.7 9.00 7.40 csm0840d - 2r2 n 2.2 30% 2r2 100 41 15.6 7.50 6.00 csm0840d - 3r3 n 3.3 30% 3r3 100 27 19.5 7.00 5.10 csm0840d - 3r6 n 3.6 30% 3r6 100 34 19.5 6.00 4.90 csm0840d - 4r7 n 4.7 30% 4r7 100 30 23.4 5.50 4.60 csm0840d - 6r8 n 6.8 30% 6r8 100 24 31.2 5.00 4.40 csm0840d - 100 m 10 20% 100 100 22 37.7 4.00 3.80 csm0840d - 150 m 15 20% 150 100 16 61.1 3.00 2.80 csm0840d - 220 m 22 20% 220 100 13 89.7 2.80 2.60 csm0840d - 330 m 33 20% 330 100 12 126.1 2.00 1.80 csm0840d - 470 m 47 20% 470 100 8 176.8 1.90 1.75 csm0840d - 680 m 68 20% 680 100 7 254.8 1.70 1.45 csm0840d - 101 m 100 20% 101 100 6 377.0 1.10 1.10 b. dimensions: mm (in ch ) series a b c d e f g h csm 0840 d 8.0 (0.315) 8.0 (0.315) 4.2 (0.165) 5.6 (0.220) 2.3 (0.091) 3.4 (0.134) 2.2 (0.0 87) 7.5 (0.295) tol. 0.2 (0.008) 0.2 (0.008) max. 0.2 (0.008) typ. typ. typ. typ. c. general information : 1. csm0840d - xxx_, ?csm0840d? = p/n, ?xxx? = inductance, ?_? = tolerance. 2. tolerance ?_? : m: 20% , n : 3 0% 3. test freq.: 100k hz, 1v 4. magnetically shielded 5. high saturation current 6. i sat : based on inductance decrease 30% (at 20 oc ambient ). 7. i rms : based on temperature increase 40oc (at 20 oc ambient ). 8. storage temperature: - 40oc to +85oc. 9. operating temperatu re range: - 25oc to +120oc (including self - heating). 10. inductance measured: ch - 3302, hp4286a or equivalent 11. dcr measured: chroma 16502 or equivalent. 12. inductance and current range: from 0.9 uh ( 8.0 a) t o 100 uh ( 1.1 a) 13. msl: level 1. d. applications : 1. game consol es 2. set top boxes 3. cables modems 4. computers 5. mobile communication devices (cell phones, radios , etc.) 6. pda, lcd, dvd, brp, h d. frontier electronics corp. ? page 1 of 2 667 e. coch ran st. , simi v alley, ca 93065 http://www.frontierusa .com phone: 1 - 805 - 522 - 9998, fax: 1 - 805 - 522 - 9989
csm 0840 d series smd wire wound power inductors (shielded) r ev. a e. characteristic s curve : frontier electronics corp. ? page 2 of 2 667 e. coch ran st. , simi v alley, ca 93065 http://www.frontierusa .com phone: 1 - 805 - 522 - 9998, fax: 1 - 805 - 522 - 9989
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