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| Fixed Inductors for Cellular Phone D412F Inductance Range: 2.2~47H DIMENSIONS Recommended patterns 4.6 4.8 Max. 1.2 Max. 1.2 0.5 1.8 3.2 (Unit: mm) Resist Zone (Unit: mm) FEATURES * Low profile (4.8mm Max. square, 1.2.mm Max. height). * Features an open magnetic circuit, but its thin dimensions result in minimum leakage flax and result in minimum electromagnetic interference generated. * Clears free-fall drop tests in which it is dropped onto a concrete floor from a height of 1.5m, thus meeting requirements specified for use in cellular phones. * RoHS compliant. * * * * SELECTION GUIDE FOR STANDARD COILS TYPE D412F (Quantity/reel; 2,000 PCS) TOKO Part Number 972AS-2R2M 972AS-3R3M 972AS-4R7M 972AS-6R8M 972AS-8R2M 972AS-100M 972AS-120M 972AS-150M 972AS-180M 972AS-220M 972AS-270M 972AS-330M 972AS-390M 972AS-470M Inductance (1) (H) 2.2 3.3 4.7 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 Tolerance (%) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 DC Resistance (2) () Max. (Typ.) 0.14 (0.12) 0.20 (0.17) 0.22 (0.19) 0.35 (0.29) 0.38 (0.32) 0.48 (0.40) 0.62 (0.52) 0.70 (0.60) 0.85 (0.71) 0.96 (0.79) 1.26 (1.05) 1.50 (1.25) 1.68 (1.39) 1.88 (1.57) Inductance Decrease Current(3) Temperature Rise Current(3) (A) Max. (Typ.) T=40C L L L =10% L =30% (A) Max. (Typ.) 1.14 (1.52) 0.90 (1.19) 0.80 (1.08) 0.66 (0.88) 0.61 (0.82) 0.53 (0.71) 0.52 (0.70) 0.44 (0.59) 0.39 (0.52) 0.36 (0.48) 0.32 (0.43) 0.29 (0.39) 0.26 (0.35) 0.24 (0.32) 1.33 (1.78) 1.02 (1.36) 0.96 (1.28) 0.77 (1.03) 0.73 (0.98) 0.65 (0.87) 0.61 (0.82) 0.54 (0.72) 0.50 (0.66) 0.45 (0.60) 0.40 (0.54) 0.36 (0.48) 0.35 (0.46) 0.31 (0.42) 1.31 (1.55) 1.09 (1.29) 1.00 (1.18) 0.76 (0.90) 0.75 (0.89) 0.71 (0.84) 0.62 (0.74) 0.58 (0.68) 0.56 (0.66) 0.51 (0.60) 0.42 (0.50) 0.40 (0.47) 0.39 (0.46) 0.36 (0.43) (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 40C, whichever is smaller. (Reference ambient temperature 20C) *Agilent Technologies *Agilent Technologies 4.6 2.8 0.5 5.2 |
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