Fixed Inductors (Voltage Step-up Coils) Voltage Step-up Coils Series: Type: Chip 5KT ELT5KT High inductance, low profile choke coil ■ Features ● Low profile (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 profi le DC-DC equipment ■ Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 E L T 5 K T 2 2 0 L Product Code Outer size Structure·Height T : H=1.2 mm max. Tolerance 11 Tolerance Design No. 4R7 4.7 µH M ± 20 % 470 47 µH L ± 15 % ■ Standard Packing Quantity ● 5000 pcs./Reel ■ Dimensions in mm (not to scale) ■ Recommended Land Pattern in mm (not to scale) Winding direction 3 4 5 1.7 5.2±0.1 0.1±0.05 1.1±0.1 2 Polarity marking 1.0±0.1 2.0±0.1 5.8±0.2 1 4.0 7.1 0.65±0.1 6.5±0.2 Part Name: 1 Core 2 Terminal 3 Adhesive 4 Terminal board 5 Coil Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Jan. 2008 Fixed Inductors (Voltage Step-up Coils) ■ Standard Parts Inductance Part No. (µH) R. D. C (at 25 °C) Tolerance(%) Test Freq. (kHz) (액) Tolerance(%) DC Current (at 25 °C) (mA)max. ✽ Maximum DC Current (at 25 °C) (mA)max. ✽✽ ELT5KT3R3MB 3.3 0.17 1000 1250 ELT5KT4R7MB 4.7 0.20 950 1000 ELT5KT6R8MB 6.8 ELT5KT100MC 10.0 ELT5KT150LB 15.0 ELT5KT220LB 22.0 ELT5KT330LB 33.0 ±20 100 ±15 0.30 760 850 0.36 680 680 510 540 0.58 0.90 ± 20 420 480 1.20 360 380 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 specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Jun. 2006