Fixed Inductors (Voltage Step-up Coils) Voltage Step-up Coils Series: Chip Type: 5KT ELT5KT High inductance, low pro le choke coil Features Low pro le (H=1.2 mm max.) High saturation current characteristics Recommended Applications DC-DC converter circuitry for LCD driver circuits DC-DC converter circuitry for low pro le DC-DC equipment Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 11 E L T 5 K T 2 2 0 L Outer size Product Code StructureHeight Tolerance Tolerance Design No. 4R7 4.7 H M 20 % T: H=1.2 mm max. 470 47 H L 15 % Standard Packing Quantity 5000 pcs./Reel Dimensions in mm (not to scale) Recommended Land Pattern in mm (not to scale) Winding direction 1 2 Polarity marking 5.20.1 4.0 7.1 0.650.1 3 6.50.2 4 5 Part Name: 1 Core 2 Terminal 3 Adhesive 4 Terminal board 5 Coil Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Jan. 2008 1.10.1 5.80.2 0.10.05 1.00.1 2.00.1 1.7Fixed Inductors (Voltage Step-up Coils) Standard Parts DC Current Maximum DC Current Inductance R. D. C (at 25 C) Part No. (at 25 C) (at 25 C) (H) Tolerance(%) Test Freq. (kHz) ( ) Tolerance(%) (mA)max. (mA)max. ELT5KT3R3MB 3.3 0.17 1000 1250 ELT5KT4R7MB 4.7 0.20 950 1000 20 ELT5KT6R8MB 6.8 0.30 760 850 ELT5KT100MC 10.0 0.36 680 680 ELT5KT150LB 15.0 0.58 510 540 100 20 ELT5KT220LB 22.0 0.90 420 480 ELT5KT330LB 33.0 1.20 360 380 15 ELT5KT470LB 47.0 1.70 300 320 ELT5KT680LB 68.0 2.60 260 260 ELT5KT101LB 100.0 4.30 190 210 DC Current : Current value measured before a temperature rise of the coil reaches a maximum of 40 C Maximum DC Current : Current value when the inductance typically changes 5 % from its original value Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Jun. 2006