page 22 www . delevan . com e-mail: apisales@delevan . com 270 quaker rd., east aurora ny 14052 ? phone 716-652-3600 ? fax 716-652-4814 4/2005 rf inductors srf minimum (mhz) * current rating max. (ma) dc resistance maximum (ohms) test frequency (mhz) q minimum inductance (?) tolerance dash number* 1230 1230 1230 1230 1230 1000 1000 870 870 770 770 700 818 818 818 757 708 668 604 535 501 409 379 354 634 604 578 556 535 517 501 472 448 427 409 375 354 317 283 268 250 236 224 211 200 191 183 169 158 158 149 145 142 129 120 100 88 82 82 67 55 0.10 0.10 0.10 0.10 0.10 0.15 0.15 0.20 0.20 0.25 0.25 0.25 0.30 0.30 0.30 0.35 0.40 0.45 0.55 0.70 0.80 1.20 1.40 1.60 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.90 1.00 1.10 1.20 1.40 1.60 2.00 2.50 2.80 3.20 3.60 4.00 4.50 5.00 5.50 6.00 7.00 8.00 8.0 9.0 9.5 10.0 12.0 14.0 20.0 26.0 30.0 30.0 45.0 60.0 1000* 1000* 1000* 1000* 1000* 1000* 1000* 1000* 1000* 850* 750* 750* 650 600 500 400 350 300 250 220 190 170 150 140 100 80 70 60 55 50 45 40 35 33 27 25 20 18 17 15 13 12 11 10 10 9 9 8 8 6 6 5 4 4 3.5 3.0 3.0 3.0 3.0 2.5 2.5 50 50 50 50 50 50 50 50 50 50 50 50 25 25 25 25 25 25 25 25 25 25 25 25 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 40 40 40 40 40 40 40 30 30 30 25 25 30 30 30 30 30 30 30 30 30 30 30 30 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 40 40 40 40 40 40 40 40 30 30 30 30 ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?0% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% ?% 0.010 0.012 0.015 0.018 0.022 0.027 0.033 0.039 0.047 0.056 0.068 0.082 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 physical parameters inches millimeters a 0.166 to 0.190 4.22 to 4.83 b 0.118 to 0.134 3.00 to 3.40 c 0.118 to 0.134 3.00 to 3.40 d 0.015 min. 0.38 min. e 0.054 to 0.078 1.37 to 1.98 f 0.118 (ref. only) 3.00 (ref. only) g 0.066 (ref. only) 1.68 (ref. only) dimensions ??and ??are over terminals operating temperature range 55? to +125? current rating at 90? ambient 35? rise maximum power dissipation at 90? iron and ferrite: 0.278 w phenolic: 0.210 w * note self resonant frequency (srf) values are calculated and for reference only. packaging tape & reel (12mm): 7" reel, 650 pieces max.; 13" reel, 2500 pieces max. *complete part # must include series # plus the dash # for further surface ?ish information, refer to technical section of this catalog. made in the u.s.a. patent protected series 1812 phenolic core -100m -120m -150m -180m -220m -270m -330m -390m -470m -560m -680m -820m series 1812 iron core -101k -121k -151k -181k -221k -271k -331k -391k -471k -561k -681k -821k series 1812 ferrite core -102j -122j -152j -182j -222j -272j -332j -392j -472j -562j -682j -822j -103j -123j -153j -183j -223j -273j -333j -393j -473j -563j -683j -823j -104j -124j -154j -184j -224j -274j -334j -394j -474j -564j -684j -824j -105j optional tolerances: k = 10% j = 5% h = 3% g = 2% f = 1% 1812r 1812 unshielded surface mount inductors series
4/2005 page 23 www . delevan . com e-mail: apisales@delevan . com 270 quaker rd., east aurora ny 14052 ? phone 716-652-3600 ? fax 716-652-4814 1 100 frequency (mhz) impedance (ohms) 1k 10k 100k 10 100 1000 1812-564j impedance vs. frequency 1812-104j 1812-103j 1812-102j ?0 ?0 0 20 40 60 80 100 120 ?0 ? 0 5 10 temperature c [ f] [?0] [?] [32] [68] [104] [140] [176] [212] [248] % change in l inductance change vs. temperature 1812-471k (0.47 h) 1812-564j (560 h) 1812-102j (1.0 h) 1812-104j (100 h) 1812-103j (10 h) 1.0 h 0.47 h 100 h 39 h 3.9 h 0.1 h 10 h 0.1 40 frequency (mhz) q factor 60 80 100 20 1.0 10 100 q vs. frequency 470 h 1 0.10 frequency (mhz) inductance (microhenries) 1.0 10 100 1000 10 100 1000 inductance vs. frequency 1812-104j 1812-103j 1812-102j 1812-101k 1 10 frequency (mhz) impedance (ohms) 100 1k 10k 10 100 1000 impedance vs. frequency 1812-101k 1812-471k for more detailed graphs, contact factory rf inductors performance graphs series 1812
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