March 1, 2007 SELF-LEADED SMD INDUCTOR DR344 SERIES Features z z z z z z Low Profile Surface Mount Design Flat Top for Pick and Place Inductance Range from 17µH 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 17 24 37 53 77 110 160 250 380 PART No. DR344-170 DR344-240 DR344-370 DR344-530 DR344-770 DR344-111 DR344-161 DR344-251 DR344-381 DCR (Ω) ±20% 0.05 0.07 0.10 0.13 0.20 0.30 0.40 0.60 1.00 RATED CURRENT (A) Nominal 3.00 2.74 2.24 1.87 1.54 1.26 1.02 0.83 0.68 ETop @100KHz (V-µSec) Ref. 13.2 16.5 19.8 26.4 33.0 42.9 56.1 72.6 75.9 MECHANICAL OUTLINES 15.24 [0.600] 15.75 [0.620] 10.00 Max. [0.394 Max.] 12.70 [0.500] DR344 DATE FRONT VIEW SIDE VIEW BOTTOM VIEW 17.78 [0.700] 1 2.00 [0.079] 12.70 [0.500] 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. DR344 becomes 42-344). 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.