Fixed Inductors for Surface Mounting DEA4012CK/DEA4018CK Inductance Range: 1.0~22H (DEA4012CK, DEA4018CK) DIMENSIONS Recommended patterns (1.3) 4.1 4.1 Max. DEA4012CK 1.0 4.0 DEA4018CK (Unit: mm) (Unit: mm) *DEA4012CK: 1.2mm Max. DEA4018CK: 1.8mm Max. FEATURES * Low profile (4.1mm Max. square, 1.2 and 1.8mm Max. height). * Magnetically shielded construction and low DC resistance. * Ideal for a variety of DC-DC converter inductor applications. (DVC, DSC, Cellular phone, PDA) * RoHS compliant * (4.1mmMax., 1.21.8mm Max.) * * DC-DC (DVC, DSC, Cellular phone, PDA) * RoHS SELECTION GUIDE FOR STANDARD COILS TYPE DEA4012CK (Magnetically Shielded) (Quantity/reel; 2,000 PCS) (1) (2) (3) (3) TOKO Part Number Inductance (1) (H) Tolerance (%) DC Resistance (2) (m) Max. (Typ.) Inductance Decrease Current(3) (A) Max. (Typ.) L/L=30% Temperature Rise Current(3) T=40C (A) Max. (Typ.) A1101AS-1R0N A1101AS-2R0M A1101AS-3R3M A1101AS-4R7M A1101AS-100M A1101AS-220M 1.0 2.0 3.3 4.7 10.0 22.0 30 20 20 20 20 20 54 (45) 72 (60) 96 (80) 138 (115) 288 (240) 684 (570) 2.30 (3.00) 1.65 (2.20) 1.30 (1.70) 1.05 (1.40) 0.75 (1.00) 0.45 (0.60) 2.80 (3.30) 2.40 (2.80) 2.05 (2.40) 1.75 (2.05) 1.00 (1.20) 0.78 (0.92) TYPE DEA4018CK (Magnetically Shielded) (Quantity/reel; 2,000 PCS) (1) (2) (3) (3) TOKO Part Number Inductance (1) (H) Tolerance (%) DC Resistance (2) (m) Max. (Typ.) Inductance Decrease Current(3) (A) Max. (Typ.) L/L=30% Temperature Rise Current(3) T=40C (A) Max. (Typ.) A1102AS-1R0N A1102AS-1R5N A1102AS-2R2M A1102AS-3R6M A1102AS-4R7M A1102AS-6R8M A1102AS-100M A1102AS-150M A1102AS-220M 1.0 1.5 2.2 3.6 4.7 6.8 10.0 15.0 22.0 30 30 20 20 20 20 20 20 20 34 (28) 41 (34) 47 (39) 59 (49) 66 (55) 96 (80) 144 (120) 204 (170) 312 (260) 2.45 (3.30) 2.10 (2.80) 1.70 (2.25) 1.35 (1.80) 1.25 (1.65) 1.00 (1.35) 0.85 (1.10) 0.70 (0.95) 0.59 (0.79) 3.50 (4.10) 3.00 (3.50) 2.90 (3.40) 2.70 (3.20) 2.50 (3.00) 2.00 (2.30) 1.60 (1.90) 1.30 (1.50) 1.00 (1.20) (1) Inductance is measured with a LCR meter 4284A* or equivalent. Test frequency at 100kHz (2) DC Resistance is measured with a Digital Multimeter TR6871 (ADVANTEST) or equivalent. (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, or coil temperature to rise by 40, whichever is smaller. (Reference ambient temperature 20) * Agilent Technologies (1) LCR 4284A* 100kHz (2) TR6871(Advantest) (3) 30 40 20 * Agilent Technologies