Filter Coils < Pin Type: TFB Series> Type: TFB-3LDG ◆ Product Description ・26.7×9.7mm Max.(L×W), 9.5mm Max. Height. ・Operating frequency:10~200kHz ・In addition to the reference versions of parameters shown here, custom designs are available to meet your exact requirements ◆ Feature ・Variable shielded type with three individual coils combined. ・Two capacitors can be internally mounted in one section. ・Can be combined with TFB-2LDG to get desired attenuation response. ・Ideally used in VCR, Video Cameras as Audio LC filters(LPF, BPF, Delay Line and Equalizers). ・RoHS Compliance ◆ Dimensions (mm) ±0.2 ±0.2 ±0.2 5.5 3.0 5.5 3.0 5.5 8.5 9.5 MAX. 1.0±0.2 8.5 26.2±0.5 9.2±0.5 7.6 φ 0.5±0.1 3.0±0.5 ±0.2 5.5 ＊ Dimension does not include solder used on coil. ＊ Pin pitch should be measured at the root of terminal. ＊ Dimensions without tolerance are approx. Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1 Filter Coils < Pin Type: TFB Series> Type: TFB-3LDG (Combined with TFB-2LDG) ◆ Testing circuit TFB-2LDG (4507-007) 270Ω 1.8kΩ TFB-3LDG (4509-T001) E.V.M. T1 T2 T3 ◆ Specification(Part No: 4509-T001) Item Specification Center frequency Input impedance Output impedance Attenuation (OUT 2) OUT 1 output level Group delay time (OUT2) 31.468kHz (Rin) 220Ω (Rout1) 30kΩ (Rout2) 2.2kΩ 10kHz 13dB Min. 15.734kHz 15dB Min. 18kHz 3.0dB Max. 43kHz 3.0dB Max. 47.202kHz 15dB Min. 55.069kHz 22dB Min. 80kHz 15dB Min. 55.069kHz 31.468kHz 14dB±2dB within 20µS±15% within Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2 Filter Coils < Pin Type: TFB Series> Type: TFB-3LDG Frequency Response (Combined with TFB-2LDG ,Attenuation 0dB at 31.468KHz) Please refer to the sales offices on our website for a representative near you www.sumida.com 3/3