LLSTR-300

IN D (µ UCT H) A ±1 NC 5% E @ IN 1K C Hz Ad REM c, E 10 NT % AL In C IN du U CR ct RR Ad EM an E c, E ce NT 20 NT Lo % AL ss In C du U SR R c F ta RE MI nc N NI eL T MU os M s (M DC H R z) (O hm s) Ma CU x. RR Ad E c M NT ax RA . TI NG NU MB ER Series LLST PA RT Low Loss Surface Mount Power Toroid SERIES LLST Physical Parameters Inches A 0.475 ±.020 B 0.420 ±.020 C 0.290 Max. D 0.400 Ref. E 0.075 Ref. F 0.375 ±0.020 4.7 10 15 18 22 25 27 33 47 75 100 125 140 150 175 200 220 270 300 350 400 450 500 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 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 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 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 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 POWER INDUCTORS 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°C ambient. Millimeters 12.07 ±0.50 10.67 ±0.50 7.37 Max. 7.62 Ref. 1.91 Max. 9.53 ±0.50 Material High Saturation Nickel/Iron Core. Inductance Tested 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. Operating Temperature Range –40°C to +125°C Terminals Coated with a 90/10 tin/lead plating. Power Dissipation 0.285 Max. (Watts) Inductor Base Formed from a high temperature thermoplastic capable of withstanding approx. 600°F for short periods of time. Weight Max. (Grams) 2.00 Marking API, Inductance, and Date Code. Packaging Bulk only INDUCTANCE DECREASE % 50 500 400 & 450 350 300 40 270 220 200 175 150 30 140 125 100 75 47 33 27 25 22 18 15 10 4.7 20 10 0 2 3 1 For more detailed graphs, contact factory 4 5 6 7 8 9 10 11 12 DC CURRENT IN AMPS www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 PAGE 2/ 2002 83