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| Fixed Inductors for Cellular Phone D31FB Inductance Range: 4.7~82H DIMENSIONS Recommended patterns 3.5 Max. 1.7 Max. 0.5 3.3 0.5 1.9 Resist Zone 0.6 1.6 3.3 0.4 0.8 (Unit: mm) 1.5 (Unit: mm) 3.9 FEATURES * Low profile (3.5mm Max. square, thickness : 1.7mm Max. height). * Features an open magnetic circuit, but its thin dimensions result in minimum leakage flux and result in minimum electromagnetic interference generated. * RoHS compliant. * * * SELECTION GUIDE FOR STANDARD COILS TYPE D31FB (Quantity/reel; 3,000 PCS) TOKO Part Number 984FB-4R7M 984FB-6R8M 984FB-8R2M 984FB-100M 984FB-150M 984FB-220M 984FB-270M 984FB-330M 984FB-470M 984FB-560M 984FB-680M 984FB-820M Inductance (1) (H) 4.7 6.8 8.2 10.0 15.0 22.0 27.0 33.0 47.0 56.0 68.0 82.0 Tolerance (%) 20 20 20 20 20 20 20 20 20 20 20 20 DC Resistance (2) () Max. (Typ.) 0.54 (0.45) 0.66 (0.55) 0.75 (0.63) 0.83 (0.69) 1.12 (0.94) 1.42 (1.19) 1.68 (1.40) 1.86 (1.55) 3.08 (2.57) 3.49 (2.91) 4.44 (3.70) 5.11 (4.26) Inductance Decrease Current(3) Temperature Rise Current(3) (A) Max. (Typ.) T=40C L L L =10% L =30% (A) Max. (Typ.) 0.93 (1.24) 0.81 (1.08) 0.71 (0.95) 0.61 (0.81) 0.53 (0.70) 0.45 (0.60) 0.42 (0.56) 0.38 (0.51) 0.32 (0.42) 0.29 (0.38) 0.26 (0.35) 0.24 (0.32) 1.06 (1.42) 0.90 (1.20) 0.83 (1.11) 0.73 (0.97) 0.58 (0.78) 0.50 (0.67) 0.47 (0.63) 0.45 (0.61) 0.37 (0.49) 0.34 (0.45) 0.31 (0.41) 0.28 (0.37) 0.50 (0.59) 0.44 (0.52) 0.43 (0.51) 0.41 (0.48) 0.39 (0.46) 0.35 (0.42) 0.30 (0.35) 0.29 (0.34) 0.24 (0.29) 0.23 (0.28) 0.19 (0.23) 0.18 (0.22) (1) Inductance is measured with a LCR meter 4284A* or equivalent. (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 40C, whichever is smaller. (Reference ambient temperature 20C ) : Agilent Technologies : Agilent Technologies |
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