��������������������� ��������������������� ������������������� ����� ������������ �������������������� Surface Mount Power Inductors LS4D28 Series FEATURES PACKAGING -Will Handle Up To 2.56A -Economical Design -Suitable For Pick And Place -Withstands Solder Reflow -Shielded Design -Reel Diameter: 330mm -Reel Width: 12.3mm -Pieces Per Reel: 2000 APPLICATIONS -Handheld And PDA Applications -DC/DC Converters -Output Power Chokes -Battery Powered Or Low Voltage Applications Mechanical 3.0 max 4.7+/-0.3 6.9 max 5.3 4.7+/-0.3 1.5 ref 4.5 ref 1.5 XXX 1.9 4.5 ref Electrical Specifications Part Number 6 LS4D28-1R2-RN LS4D28-1R8-RN LS4D28-2R2-RN LS4D28-2R7-RN LS4D28-3R3-RN LS4D28-3R9-RN LS4D28-4R7-RN LS4D28-5R6-RN LS4D28-6R8-RN LS4D28-8R2-RN LS4D28-100-RN LS4D28-120-RN LS4D28-150-RN LS4D28-180-RN LS4D28-220-RN LS4D28-270-RN LS4D28-330-RN LS4D28-390-RN LS4D28-470-RN LS4D28-560-RN LS4D28-680-RN LS4D28-820-RN LS4D28-101-RN LS4D28-121-RN LS4D28-151-RN LS4D28-181-RN LS4D28-221-RN LS4D28-271-RN LS4D28-331-RN LS4D28-391-RN Inductance1 Test Frequency (μH) (khz) 1.2 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 Specifications subject to change without notice. 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 2 DCR max (Ω) IDC max (A) 0.0236 0.0275 0.0313 0.0433 0.0492 0.0648 0.0720 0.1009 0.1089 0.1175 0.1283 0.1316 0.1490 0.1660 0.2350 0.2610 0.3780 0.3837 0.5870 0.6245 0.6990 0.9148 1.020 1.270 1.350 1.540 1.720 1.950 2.660 2.830 2.56 2.20 2.04 1.60 1.57 1.44 1.32 1.17 1.12 1.04 1.00 0.84 0.76 0.72 0.70 0.58 0.56 0.50 0.48 0.41 0.35 0.32 0.29 0.27 0.24 0.22 0.20 0.16 0.14 0.13 1. 2. 3. 4. Tested @ 100kHz, 0.1Vrms. Inductance drop = 35% at rated IDC max. Electrical specifications at 25ºC. Operating temperature range: -40ºC to +85ºC. 5. Meets UL 94V-0. 6. Optional Tolerances: 10%(K), 15%(L), and 20%(M). (10/06) LS-9