Multilayer Power Inductors MDT2520-CR Recommended patterns (Unit: mm) FEATURES 2.5mmx2.0mm1.0mm max DC-DC DVC,DSC,Cellular phone,PDA 4085C RoHS Miniature size: 2520 footprint (2.5mmx2.0mm) and low profile(1.0mm max. Height) Magnetically shielded Ideal for a variety of DC-DC converter Inductor application DVC,DSC,Cellular phone,PDA Operating temperature:-40+85C RoHS compliant TOKO STANDARD PART NUMBERS TYPE MDT2520-CR,(Quantity/reel; 3,000 PCS) (1) (2) (3) TOKO Part Number Inductance (H)at 1MHz Tolerance DC (2) Resistance (m) 30 Temperature (3) Rise Current T=40C (A) Max. MDT2520-CR1R0M MDT2520-CR1R5M MDT2520-CR2R2M MDT2520-CR3R3M MDT2520-CR4R7M 1.0 1.5 2.2 3.3 4.7 20 20 20 20 20 60 80 90 100 120 2.50 2.20 2.10 2.00 1.85 (1) (1) 4291A/ B(Agilent Technologies) 1MHz, 0.5V (2) 4338B (Agilent Technologies) (3) 40C 20C) (1) Inductance is measured with a |Z| Analyzer 4291A/ B (Agilent Technologies) or equivalent. Test frequency at 1MHz, 0.5V (2) DC Resistance is measured with a milliohmmeter 4338B (Agilent Technologies) or equivalent. (3) Maximum allowable DC current is that causes coil temperature to rise by 40C . (The ambient reference temperature:20C) EXAMPLES OF CHARACTERISTICS Inductance vs Frequency Inductance vs DC Current 10.0 5.0 9.0 4.0 7.0 Inductance [H] Inductance [H] 8.0 4R7 6.0 3R3 5.0 4.0 3.0 2.0 4R7 3.0 3R3 2R2 2.0 1.0 1.0 0.0 1R5 0.0 1 2R2 10 Frequency [MHz] 1R5 1R0 100 0 1R0 0.5 1 DC Current [A] 1.5 2