AC COMMON MODE COIL <Pin Type: LF Series> Type: LF2829/MS ◆ Product Description ・30.5×21.5mm Max.(L×W), 36.0mm Max. Height . ・Inductance range: 18mH ・Rated current range: 1.3A ・In addition to the standard versions of parameters shown here, custom designs are available to meet your exact requirements. ◆ Feature ・Large inductance is possible with closed magnetic core. ・Inexpensive type. ・Excellent attenuation characteristics in low frequency range. ・Ideally used in TV,VCR,AV,OA equipment for noise prevention. ・RoHS Compliance ◆ Dimensions (mm) ② ③ ① ④ 19.5±0.5 1 4 2 3 36.0 Max. 4.0±1.0 30.5 Max. ◆ Schematics (Bottom) 21.0 0.5 ＊ Winding start is #1,#4 or #2,#3． 11.0±0.5 4- 0.8 0.1 ＊ #1, #2：should have same polarity. ＊ Dimension does not include solder used on coil. ＊ Terminal pitch is measured at the base(not from tip of the pin) ◆ Specification ( Part No. ECH-21-116871) Measuring conditions Inductance (1-2) and (4-3) 18.0mH Min. 1kHz，0.1V D.C.R. (1-2) and (4-3) 317mΩ±20% At 20℃ Rated current 1.3A ※1 Inductance Difference (1-2)-(3-4) 410μH Max. 1kHz，0.1V HI-POT (1,2)-(3,4) AC 2000Vrms 1min 0.5mA HI-POT (1,2,3,4)-Core AC 2000Vrms 1min 0.5mA Insulation test (1,2)-(3,4) 100mΩ Min. DC 500V 1min (1,2,3,4)-Core ※1. Rated current: The AC current at which the temperature rise is △t＝40℃.(Ta＝20℃). Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1