1812cp series ? smd wire wound ceramic chip inductors rev. a a. electrical specifications: p/n l (nh) l test freq. (mhz) tol. q typ. q test freq. (mhz) srf min. (mhz) dcr max. (m ? max. (ma) 1 st color 2 nd color 3 rd color 1812cp - 82n _ 82 50 k, j, g 70 50 800 60 1500 gray red black 1812cp - r15 _ 150 50 k, j, g 75 50 860 110 1150 brown green brown 1812cp - r18 _ 180 50 k, j, g 80 50 850 110 1150 brown gray brown 1812cp - r22 _ 220 50 k, j, g 80 50 700 105 940 red red brown 1812cp - r27 _ 270 50 k, j, g 85 50 730 120 940 red violet brown 1812cp - r33 _ 330 50 k, j, g 80 50 600 135 850 orange orange brown 1812cp - r39 _ 390 50 k, j, g 80 50 600 140 850 orange white brown 1812cp - 1r2 _ 1200 50 k, j, g 62 50 230 1200 480 brown red red b. dimensions: mm (in ch ) series a b c f g h 1812cp 4.95(0.195) 3.8 (0.150) 3.43 (0.135) 3.0 (0.11 8) 1.14 (0.045) 3.05 (0.120) tol. max. max. max. typ. typ. typ. c. color coding: 1. p arts are marked with 3 color dots. the table at below shows the significance of each color. 2. dots 1 and 2 indicate the inductance in nano - henri es. 3. dot 3 indicates number of zeroes to be added. d. general information: 1. p/n: 1812 cp - xxx_, ? 1812 cp? = size type, ?xxx? = inductance, ? _ ? = tolerance. 2. tolerance ?_? : k: 10%, j: 5%, g: 2% . 3. small and lightweight surface mounting type . 4. high q at high frequency & high self - resonance frequency . 5. for 15oc temperature rise at 25oc ambient . 6. inductance & q measured with hp4291b impedance analyzer . 7. srf measured using the hp8720d or hp8753e network analyzer . 8. dcr mea sured using the 16502 milliohm meter . 9. ope rating temperature: - 40 c to +125oc . 10. this series has no color code due to the size is small . 11. inductance and current range: fr om 82 n h (1500ma) to 1200 nh (480 ma) 12. srf: from 230 mhz to 860 mhz 13. msl: level 1. e. applications: 1. game consoles 2. set top boxes 3. cables modems 4. computers 5. mobile communication devices (cell phones, radios, etc.) 6. rf filters 0 = black 5= green 1 = brown 6= blue 2 = red 7 = violet 3 = orange 8 = gray 4 = yellow 9 = white frontier ele ctronics 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
1812cp series ? smd wire wound ceramic chip inductors rev. a f. characteristics curve: frontier ele ctronics 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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