Filter Coils< SMD Type: CFB Series> Type: CFB3-6 ◆ Product Description ・21.0×7.3mm Max.(L×W), 7.5mm Max. Height. ・Operating frequency:10~500kHz ・In addition to the reference versions of parameters shown here, custom designs are available to meet your exact requirements. 1.2±0.2 ＋0.6 6.7－0.3 MAX.7.5 0.7 6.7±0.5 MAX.21.0 2.0 2.0 2.7 2.0 2.0 2.7 2.0 2.0 ±0.2 ±0.2 ±0.2 ±0.2 ±0.2 ±0.2 ◆ Dimensions (mm) 0.5±0.1 ＋0.5 1.0－0.3 ◆ Feature ・Variable shielded type with three individual coils combined. ・Two built-in capacitors are in one coil. ・Ideally used in VCR, Video Cameras as Audio LC filters(LPF, BPF, HPF, Delay Line and Equalizers). ・RoHS Compliance 6.2±0.5 7.6±0.5 0.7 ＊ Dimension does not include solder used on coil. ＊ Pin pitch should be measured at the root of terminal. ◆ Testing Circuit R3 C3 R1 Rg S.G. ～ C2 C1 1 2 3 4 18 6 7 T2 T1 R2 5 16 15 8 9 T3 13 12 C4 Rs 10 E.V.M. Rg+R1=550Ω R2=550Ω Rout=R3+Rs=1kΩ Rg=Rs=50Ω C1=68npF±2% C2=C4=1500pF±2% C3=3900pF±2% Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1 Filter Coils< SMD Type: CFB Series> Type: CFB3-6 ◆ Specification (Part No: 4563-T065) Specification. Item Input impedance Output impedance (Rin) 1.1kΩ (Rout) 1.0kΩ Center frequency 38kHz Band width (f1) (-3dB) 35.3kHz≦f1≦36.3kHz Band width (f2) (-3dB) 39.8kHz≦f2≦40.7kHz Attenuation 30 kHz 20dB Min. 45 kHz 25dB Min. Insertion loss 38 kHz 8.0dB±1.5dB Within Group Delay 38 kHz 140μS±15% Within Frequency Response (Attenuation 0dB at 38KHz) ATT.(dB) 0 10 20 30 40 50 G.D.(μs) 150 100 50 28 30 32 34 36 38 40 42 44 46 48 Frequency (kHz) Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2