Inductors for Digital Audio Amplifier DS75LC Inductance Range: 4.7~33 H Recommended patterns (Unit: mm) (Unit: mm) FEATURES 7.6 mm Max. square and 5.0 mm Max. height. 7.6.5.0. Magnetically shielded construction and low DC resistance. Suitable for large currents. High sound quality, Low distortion. STANDARD PART NUMBERS TYPE DS75LC (Quantity/reel 1000 PCS) (1) (2) (3) (3) Inductance Temperature (3) DC (1) (3) Decrease Current Part Inductance Tolerance Rise Current (2) Resistance (A) Max. (Typ.) Number (H) (%) T=40C (m) Max.(Typ.) L =30% (A) Max. (Typ.) L B1047DS-4R7N=P3 4.7 30 42(35) 5.3(7.1) 3.3(3.9) B1047DS-100M=P3 10 20 59(49) 3.8(5.0) 2.6(3.0) B1047DS-150M=P3 15 20 85(66) 2.9(4.0) 2.1(2.5) B1047DS-180M=P3 18 20 110(91) 2.65(3.56) 1.7(2.0) B1047DS-220M=P3 22 20 150(125) 2.40(3.21) 1.5(1.8) B1047DS-330M=P3 33 20 220(181) 1.95(2.65) 1.2(1.46) (1) Inductance is measured with a LCR meter 4284A(Agilent (1) LCR4284A (Agilent)100kHz Technologies) or equivalent. Test frequency at 100kHz (2) DC resistance is measured with 34420A (Agilent Technologies) or (2) 34420AAgilent3541(HIOKI) 3541(HIOKI). (Reference ambient temperature 25C) 25C (3) Maximum allowable DC current is that which causes a 30 % (3) inductance reduction from the initial value, or coil temperature to 30%40C rise by 40C, whichever is smaller. 20C (Reference ambient temperature 20C)