smd air coil: p/n 292a & 292b series rev. b feb. 01, 2007. page: 1 of 2 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com smd air wound coils? 292a & 292b series a. electrical specifications: part no. turns l (nh) tolerance q (min.) test freq. dcr max. (m ) srf min. (ghz) i dc (a max.) 292a-02 2 1.65 k 100 800 mhz 4.0 10.0 1.6 292a-03 3 2.55 k, j 100 800 mhz 5.0 8.2 1.6 292a-04 4 3.85 j, g 100 800 mhz 6.0 7.5 1.6 292a-05 5 5.45 j, g 100 800 mhz 8.0 7.0 1.6 292b-06 6 5.60 j, g 100 800 mhz 9.0 6.5 1.6 292b-07 7 7.15 j, g 100 800 mhz 10.0 6.0 1.6 292b-08 8 8.80 j, g 100 800 mhz 12.0 6.0 1.6 292b-09 9 9.85 j, g 100 800 mhz 13.0 5.2 1.6 292B-10 10 12.55 j, g 100 800 mhz 14.0 4.6 1.6 b. mechanical dimensions: (unit: mm) series no. a b c d e 292a 1.42 0.13 0.89 0.25 1.37 0.15 2.2 0.25 1.83 0.25 292b 1.42 0.13 0.89 0.25 1.37 0.15 4.04 0.30 3.66 .30 mechanical dimension land pattern c. land pattern: (unit: mm) series no. a b c d e 292a 2.62 2.46 1.04 1.02 0.79 292b 4.45 2.46 2.87 1.02 0.79 d. notes: 1. tolerance: a. 292a-02: k = 10 % only. b. 292a-03: j = 5 % or k = 10 %. c. 292a-04 / 292a-05 and 292b-06 through 292B-10: j = 5 % or g = 2 %. 2. inductance & q measured on the hp4291b with hp16193 test fixture. 3. srf measured on the hp8720d or hp8753e. 4. operating temp. : -40oc to +125oc. 5. for temperature rise: 15oc. 6. inductance range: (@ 25oc.) 292a & 292b: from 1.65nh to 12.55nh. 7. equivalent to coilcraft?s ?micro spring? air core inductor. 8. rohs compliant.
smd air coil: p/n 292a & 292b series rev. b feb. 01, 2007. page: 2 of 2 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com smd air wound coils? 292a & 292b series e. characteristic curve: 1. l vs. frequency: 292a series 292b series 2. typical q vs. frequency: 292a series 292b series 0 2 4 6 8 1 10 100 1000 10000 frequency (mhz) inductance (nh) 292a-05 292a-02 292a-03 292a-04 0 3 6 9 12 15 18 10 100 1000 10000 frequency (mhz) inductance (nh) 292B-10 292b-06 292b-07 292b-08 292b-0 9 0 50 100 150 200 10 100 1000 10000 fre que ncy (mhz ) q 0 2 05 03 04 0 50 100 150 10 100 1000 10000 fre que ncy (m h z ) q 09 08 10 06 07
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