power inductors 2/ 2002 p age 83 www . delevan . com e-mail: apisales@delevan . com 270 quaker rd., east aurora ny 14052 ? phone 716-652-3600 ? fax 716-652-4814 srf minimum (mhz) pa rt number inductance @ 1khz (?) ?5% incremental current adc, 10% inductance loss incremental current adc, 20% inductance loss current rating adc max. dcr (ohms) max. 2.600 2.250 2.150 2.050 1.900 1.780 1.780 1.780 1.450 1.190 1.000 1.000 1.000 0.985 0.890 0.795 0.795 0.710 0.710 0.650 0.600 0.550 0.500 0.035 0.050 0.055 0.060 0.070 0.080 0.080 0.080 0.120 0.180 0.250 0.250 0.250 0.260 0.325 0.400 0.400 0.500 0.500 0.625 0.700 0.850 1.000 series LLST low loss surface mount power toroid 50.0 45.0 40.0 35.0 25.0 20.0 15.0 12.0 10.0 8.0 7.0 6.0 5.0 4.0 3.5 3.2 3.0 2.5 2.0 1.9 1.8 1.7 1.5 6.10 4.10 3.20 3.00 2.80 2.60 2.30 2.20 1.80 1.40 1.40 1.10 0.98 0.98 0.90 0.80 0.80 0.78 0.68 0.62 0.50 0.50 0.50 4.00 2.80 2.10 1.90 1.70 1.60 1.40 1.30 1.00 0.80 0.80 0.64 0.56 0.56 0.54 0.46 0.46 0.46 0.38 0.36 0.28 0.28 0.26 4.7 10 15 18 22 25 27 33 47 75 100 125 140 150 175 200 220 270 300 350 400 450 500 physical parameters inches millimeters a 0.475 ?020 12.07 ?.50 b 0.420 ?020 10.67 ?.50 c 0.290 max. 7.37 max. d 0.400 ref. 7.62 ref. e 0.075 ref. 1.91 max. f 0.375 ?.020 9.53 ?.50 operating temperature range ?0? to +125? po wer dissipation 0.285 max. (watts) w eight max. (grams) 2.00 pa ck a ging bulk only 1 dc current in amps inductance decrease % 10 20 30 40 50 02 3456789 10 11 12 500 400 & 450 350 300 270 220 200 175 150 140 125 100 75 47 33 27 25 22 18 15 10 4.7 series LLST LLST4r7 LLST10 LLST15 LLST18 LLST22 LLST25 LLST27 LLST33 LLST47 LLST75 LLST100 LLST125 LLST140 LLST150 LLST175 LLST200 LLST220 LLST270 LLST300 LLST350 LLST400 LLST450 LLST500 current rating based on a 35 c max. rise from 90? ambient. material high saturation nickel/iron core. inductance t ested at an ac drive level which does not affect the initial permeability of the core, the dc drive level was 0 amps. incremental current the dc current which reduces the inductance value to the percentage drop tabulated. t erminals coated with a 90/10 tin/lead plating. inductor base fo rm ed from a high temperature thermoplastic capable of withstanding approx. 600? for short periods of time. marking api, inductance, and date code. f or more detailed graphs, contact factory
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