Maker : TOKO
Part No. : D128C

  Datasheet PDF : D128C.pdf
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Product Information

Fixed Inductors for Surface Mounting D128C Inductance Range: 1.4~47µH DIMENSIONS Recommended patterns 12.3 Max. 8.0 Max. 8.0 (Unit: mm) 5.0 7.5 13.0 (Unit: mm) FEATURES 12.3mm Max. square and 8.0mm Max. height. Magnetically shielded construction low DC resistance. Suitable for large current. Ideal for DC-DC converter inductor applications in hand held personal computer, etc. • RoHS compliant. • • • • • • • • • www.DataSheet4U.com SELECTION GUIDE FOR STANDARD COILS TYPE D128C (Quantity/reel; 400 PCS) TOKO Part Number #931AS-1R4N #931AS-2R3N #931AS-3R4M #931AS-4R7M #931AS-6R3M #931AS-8R0M #931BS-100M #931BS-120M #931BS-150M #931BS-180M #931BS-220M #931BS-270M #931BS-330M #931BS-420M #931BS-470M Inductance (3) DC Resistance (2) Decrease Current (A) Max. (mΩ) Max. ∆L L =10% 4.1 6.5 6.8 9.6 11.0 12.1 12.7 14.0 15.8 24.0 28.3 32.7 44.0 52.6 55.6 15.0 12.6 10.6 8.7 7.9 6.4 5.8 5.3 4.6 4.4 3.9 3.5 3.1 3.0 2.8 Temperature Rise Current(3) ∆ T=40°C (A) Max. 12.8 11.9 10.9 8.5 8.0 7.7 7.4 6.8 6.4 5.1 4.5 4.3 3.7 3.3 3.1 Inductance (1) (µH) 1.4 2.3 3.4 4.7 6.3 8.0 10.0 12.0 15.0 18.0 22.0 27.0 33.0 42.0 47.0 Tolerance (%) ± 30 ± 30 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 ± 20 (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) 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 10% inductance reduction from the initial value, or coil temperature to rise by 40°C, whichever is smaller.(Reference ambient temperature: 20°C) 6.0 ...

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