@ DC MA RES XI IST MU A M NC (O E HM S) CU RR MA E XI NT MU R M ATI (A NG m ps IN ) CR CU EM RR EN EN TA T L DC (A m ps ) 1K Hz PA RT Radial Lead Power Chokes IN D (µ UCT H) A ±1 NC 0% E NU MB ER Series 3443 SERIES 3443 FERRITE CORE Millimeters 12.72 ± 0.38 15.27 Max. 9.54 Min. 22.14 Max. 13.10 Max. 1.02 ± 0.13 0.76 Min. 17.8 16.2 15.0 14.0 13.0 12.5 10.0 8.5 6.5 5.5 4.5 4.0 3.3 3.0 2.7 2.2 1.95 1.70 1.60 1.30 1.00 0.84 0.69 0.55 0.45 0.36 0.33 0.26 17.8 16.2 15.0 12.4 10.3 8.9 7.3 5.9 4.9 4.0 3.3 2.8 2.3 2.1 1.9 1.5 1.35 1.20 1.00 0.90 0.73 0.60 0.49 0.40 0.34 0.28 0.23 0.19 RATED CURRENT vs. TEMPERATURE Maximum Power Dissipation at 25°C 2.2 W Weight Max. (Grams) 12.0 Incremental Current 1) Current Level which causes a maximum of 10% decrease in inductance. 2) The Incremental Current at ambient temperatures other than 25°C will be 70% of the adjusted current rating. % OF RATED CURRENT Operating Temperature Range –55°C to +125°C Packaging Bulk only 0.005 0.006 0.007 0.008 0.009 0.010 0.015 0.022 0.033 0.052 0.078 0.092 0.140 0.175 0.210 0.330 0.420 0.510 0.610 0.910 1.40 2.20 3.30 5.10 7.70 11.7 14.2 21.9 100 Current Rating Based on continuous operation at room temperature. Derating is required at elevated ambient temperatures in accordance with the derating curve. Core Material Ferrite 1.0 1.5 2.2 3.3 4.7 6.8 10.0 15.0 22.0 33.0 47.0 68.0 100.0 120.0 150.0 220.0 270.0 330.0 470.0 680.0 1000.0 1500.0 2200.0 3300.0 4700.0 6800.0 10000.0 15000.0 POWER INDUCTORS Physical Parameters Inches A 0.500 ± 0.015 B 0.600 Max. C 0.375 Min. D 0.870 Max. E 0.515 Max. F* 0.040 ± 0.005 G 0.030 Min. *F= AWG #18 TCW 3443-00K 3443-04K 3443-08K 3443-12K 3443-16K 3443-20K 3443-24K 3443-28K 3443-32K 3443-36K 3443-40K 3443-44K 3443-48K 3443-50K 3443-52K 3443-56K 3443-58K 3443-60K 3443-64K 3443-68K 3443-72K 3443-76K 3443-80K 3443-84K 3443-88K 3443-92K 3443-94K 3443-98K 80 60 40 20 0 20 40 60 80 100 120 AMBIENT TEMPERATURE °C For more detailed graphs, contact factory Made In the U.S.A. www.delevan.com E-mail: [email protected] 270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 PAGE 2/ 2002 88