Voltage Step-up Coils Chip type ELT3KN series High inductance Voltage Step-up coil chip series for piezoelectric buzzers and DC/DC circuitry of EL panels Features Small and thin High inductance RoHS compliant Recommended applications Piezoelectric buzzer, Booster circuit for EL backlight (Watch, Electric thermometer, Portable device) Standard packing quantity (Minimum quantity/Packing unit) 1,000 pcs or 5,000 pcs / reel Explanation of part numbers 1 2 3 4 5 6 7 8 9 10 T N 0 4 C E L 3 K 0 Product code Outer size Construction Design No. Packaging Code Packaging 180 Reel 370 Reel Dimensions in mm (not to scale) 3.30.1 3.30.1 A C E 3.30.1 (3.1) 1.20.1 (3.1) (3.1) 1.20.1 4.50.2 5.50.2 5.50.2 B D H 3.30.1 3.30.1 4.50.2 3.30.1 1.10.2 (3.3) (3.3) 1.10.2 5.50.2 5.50.2 Part Name: Core Terminal Ring Coil Terminal board Adhesive 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. 6-Aug-21 3.30.2 1.40.2 3.30.2 1.50.1 1.20.1 1.20.1 0.60.1 0.1250.050 0.60.1 0.180.05 0.850.10 0.180.05 0.850.10 1.650.20 3.30.2 2.00.2 3.30.2 1.20.1 1.20.1 0.250.05 0.60.1 0.60.1 0.180.05 0.180.05 0.850.10 0.850.10 1.10.1 3.10.2 2.50.1 1.4 max. 3.10.2 1.20.1 1.20.1 0.100.05 0.80.1 0.80.1 0.100.05Voltage Step-up Coils Standard parts Inductance DC resistance DC current Magnetic Part No. Dimensions Tolerance(%) Tolerance(%) (mH) () (mA) max. composition 1.7 ELT3KN004 14.00 125 40 10 Permalloy ring 1.4 ELT3KN007 20.00 170 25.0 A ELT3KN113 1.00 34 10 15 29.0 Brass ring ELT3KN126 1.50 49 ELT3KN142 0.82 24 30.0 40 10 1.7 Permalloy ring ELT3KN019 14.00 125 ELT3KN109 3.80 115 20 15.0 B 10 Brass ring 15.0 ELT3KN114 2.50 83 15 ELT3KN014 30.00 150 1.9 40 10 1.9 ELT3KN018 35.00 235 Permalloy ring ELT3KN028 50.00 35 250 1.4 15 40 10.0 ELT3KN032 25.00 185 10 1.4 ELT3KN101 10.00 285 30.0 ELT3KN104 1.00 35 20.0 ELT3KN118 2.50 64 40.0 ELT3KN121 1.00 22.5 C 20.0 ELT3KN122 2.00 44 30.0 ELT3KN123 1.00 25 10 Brass ring 15.0 ELT3KN124 4.00 85 50.0 ELT3KN127 0.47 14 15 45.0 ELT3KN128 0.56 15 34.0 ELT3KN129 0.68 17 23.0 ELT3KN130 2.30 51 20.0 ELT3KN131 2.00 44 30 2.5 Permalloy ring ELT3KN020 30.00 150 10.0 D ELT3KN111 7.50 177 10 Brass ring 15.0 ELT3KN125 4.00 85 1.7 ELT3KN041 14.00 125 40 10 1.4 Permalloy ring ELT3KN042 20.00 175 ELT3KN043 12.00 117 1.7 40.0 ELT3KN139 0.68 19 ELT3KN140 0.82 22 30.0 15 30.0 E ELT3KN135 1.10 32 ELT3KN136 2.00 55 20.0 Brass ring 10 15.0 ELT3KN137 4.00 117 10 ELT3KN149 0.33 11 60.0 50.0 ELT3KN151 0.56 17 15 50.0 ELT3KN152 0.47 14 25.0 H Ring less ELT3KN155 1.10 38 10 15.0 ELT3KN162 4.00 117 E Brass ring 15 30.0 ELT3KN163 1.10 32 shows the packaging specifications. Applied diagram examples +3.0 V +1.5 V V O For EL DC/DC For buzzer V 2 V 1 SC SC V O V V 2 i V 1 V i V i V i 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. 6-Aug-21 Load