Filter Coils < Pin Type: FB Series> Type: FB-21 ◆ Product Description ・21.0×11.5 mm Max.(L×W), 17.5mm Max. Height. ・Operating frequency:250kHz Max. ・In addition to the reference versions of parameters shown here, custom designs are available to meet your exact requirements. ◆ Feature +0.1 φ0.7-0.05 ・Variable shielded type with two individual coils combined. ・Two built-in capacitors are available in one coil. ・Ideally used as Audio Filters(LPF, BPF, Delay Line) ・RoHS Compliance 7.0±0.2 20.5±0.5 2.5 7.0±0.2 ◆ Dimensions (mm) 11.0±0.5 +1.0 3. 5-0.5 17.0±0.5 7.0±0.2 ＊ Dimension does not include solder used on coil. ＊ Pin pitch should be measured at the root of terminal. ◆ Testing Circuit Rin Rg 1st 2nd ③ ④ ⑤ ② ⑫ ⑥ R in==3.3kΩ Rout=3.3kΩ; Rout ∼ ① ⑩ ⑨ ⑧ E.V.M. E.V.M. Indicate Level 0.775V =0dB(at1KHz) Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1 Filter Coils < Pin Type: FB Series> Type: FB-21 ◆ Specification (Part umber: 0528-T002) Specification Item Input impedance Output impedance (R in) (Rout) 3.3KΩ 3.3kΩ 15KHz MAX.2.0dB 19KHz MIN.30 dB 38KHz MIN.50 dB Cut Off Frequency (-3dB) 16.4kHz (TYP.) Insertion Loss 1KHz MAX.1.0dB Attenuation Ripple 50Hz∼14KHz ± 1.0 dB Within Frequency Response (Attenuation 0dB at 1KHz) Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2