Reference Only SPEC No.J(E)TE243B-0040C Type DEM2818C Specifications Physical Dimensions () Marking(Black) Tolerance 0.2 Unit mm Inductance ID 3 The nominal inductance value is identified by three digits. 1) 3 2 2 3 H 2 Three digits ID,First 2 digits indicate the effective inductance value The last digit indicates the number of0 following first 2 digits.The unit is H. 2) R 2 H R2 2 digits and letter ID,The unit is H. Letterrepresent the decimal point. Priority language Let a priority language be Japanese. Reference Only SPEC No.J(E)TE243B-0040C DEM2818C Type Electrical specifications Inductance DC Nominal Tolerance Test Rated Current Rated Current Resistance Customer s Part No. Part No. Based on Based on Value Freq. +20% Inductance Temperature -30% Change rise () kHz (m) (A) (Max.) (A) (Max.) 1227AS-H-R47N=P2 0.47 30 100 17 3.3 4.7 1227AS-H-1R0N=P2 1.0 30 100 24 2.3 3.7 1227AS-H-1R5N=P2 1.5 30 100 27 2.0 3.4 1227AS-H-2R2M=P2 2.2 20 100 39 1.7 2.6 1227AS-H-3R3M=P2 3.3 20 100 56 1.3 2.0 1227AS-H-4R7M=P2 4.7 20 100 77 1.1 1.8 1227AS-H-6R8M=P2 6.8 20 100 122 0.9 1.3 1227AS-H-100M=P2 10 20 100 170 0.75 1.2 1227AS-H-120M=P2 12 20 100 215 0.65 1.0 * Unless otherwise specified, measurement is the standard atmospheric conditions. 1 LCR 4284A( 100kHz 0.1V Inductance Measured with a LCR meter 4284A(Agilent) or equivalent.Test Freq. 100kHzLevel 0.1V 2 TR6871 DC Resistance Measured with a digital multimeter TR6871(ADVANTEST) or equivalent. 3 Rated Current Value defined when DC current flows and Rated Current (Based on Inductance Change) or when current flows and Rated Current (Based on Temperature rise) whichever is smaller. 30% Rated Current The DC saturation allowable current value is specified when the decrease of the (Based on Inductance Change) initial inductance value at 30%. 40 Rated Current Rated Current (Based on Temperature rise) is specified when temperature of the (Based on Temperature rise) inductor on our PCB for test purpose is raised 40 by DC current.