Metal Alloy Inductors DFE252012C Recommended patterns Inductance Range: 0.47~10H (Unit: mm) (Unit: mm) FEATURES Miniature size: 2520 footprint (2.5mmx2.0mm) and low profile(1.2mm Max. height) The use of magnetic iron powder ensure capability for large current. The use of Flat wire for Low DC resistance. Magnetically shielded, low audible core noise. Reflow solderable. Operating temperature : -40+85C Halogen Free, RoHS compliant. TOKO STANDARD PART NUMBERS (2.52.01.2mm Max.) -40+85C RoHS TYPE DFE252012C (Quantity/reel; 3,000 PCS) TOKO Part Number Inductance L(H) Tolerance (%) 1239AS-H-R47M 1239AS-H-1R0M 1239AS-H-1R5M 1239AS-H-2R2M 1239AS-H-3R3M 1239AS-H-4R7M 1239AS-H-6R0M 1239AS-H-6R8M 1239AS-H-6R8M 1239AS-H-100M 0.47 1.0 1.5 2.2 3.3 4.7 6.0 6.8 6.8 10 20 20 20 20 20 20 20 20 20 20 Test Frequency (MHz) 1 1 1 1 1 1 1 1 1 1 (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 1MHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 20C) (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40C whichever is smaller. (Reference ambient temperature 20C) DC Resistance (m) Max. (Typ.) 39 (29) 59 (45) 72 (60) 108 (90) 144 (120) 240 (200) 275 (240) 375 (310) 375 (310) 460 (400) Rated DC Current (A) Max. (Typ.) L/L=30% T=40C 3.8 (4.7) 3.7 (4.4) 3.0 (3.8) 3.0 (3.5) 2.6 (3.3) 2.4 (2.8) 2.2 (2.7) 2.0 (2.3) 1.8 (2.3) 1.5 (1.7) 1.5 (1.9) 1.3 (1.5) 1.4 (1.7) 1.1 (1.3) 1.3 (1.6) 1.0 (1.2) 1.3 (1.6) 1.0 (1.2) 1.0 (1.3) 0.85 (1.0) (1)LCR4284A (Agilent Technologies) 1MHz (2)34420A (Agilent Technologies)/ 3541(HIOKI) 20C (3) 30%40C 20C