March 1, 2007 SELF-LEADED SMD INDUCTOR DR343 SERIES Features z z z z z Flat Top for Pick and Place Inductance Range from 18µH to 380µH Tape & Reel Packing Operating Temp. -40°C to +85°C Tinned Leads with Leaded Solder is Available (note 3) ELECTRICAL SPECIFICATIONS AT 25ºC INDUCTANCE (µH) ±20% @100KHz, 0.1V 18 26 39 54 78 120 180 250 380 PART No. DR343-180 DR343-260 DR343-390 DR343-540 DR343-780 DR343-121 DR343-181 DR343-251 DR343-381 DCR (Ω) ±20% 0.06 0.1 0.1 0.2 0.3 0.4 0.6 0.9 1.3 RATED CURRENT (A) Nominal 1.81 1.48 1.20 1.00 0.82 0.67 0.54 0.44 0.36 ETop @100KHz (V-µSec) Ref. 9.9 9.9 13.2 16,5 23.1 29.7 36.3 49.5 75.9 MECHANICAL OUTLINES 14.35 [0.565] 14.48 [0.570] 9.00 Max. [0.354 Max.] 11.43 [0.450] DR343 DATE FRONT VIEW SIDE VIEW BOTTOM VIEW 16.89 [0.665] 1 2.00 [0.079] 11.43 [0.450] 2 SCHEMATIC PCB SOLDER PAD LAYOUT(REF.) NOTES: 1. All dimensions are shown in millimeters “mm” [inches “in”]. 2. General tolerance ±0.25mm [0.010 in.], unless otherwise specified. 3. For non-RoHS parts replace DR prefix with 42- (e.g. DR343 becomes 42-343). 4. Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C. DATATRONIC: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701 Email: [email protected] 499 King’s Road, Hong KongTel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290 All specifications are subject to change without notice.