FB-21

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 ・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 ◆ Dimensions (mm) +0.1 φ0.7-0.05 20.5±0.5 11.0±0.5 17.0±0.5 +1.0 3. 5-0.5 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 1st 2nd ③ ② Rg ④⑤ ⑫ ⑥ R in==3.3kΩ Rout=3.3kΩ; Rout E.V.M. E.V.M. Indicate Level 0.775V =0dB(at1KHz) ∼ ① ⑩⑨ ⑧ Please refer to the sales offices on our website for a representative near you w ww.sumida.com 7.0±0.2 2.5 7.0±0.2 1/1 Filter Coils < Pin Type: FB Series> Type: FB-21 ◆ Specification (Part umber: 0528-T002) Item Input impedance Output impedance Attenuation Cut Off Frequency Insertion Loss Ripple (R in) (Rout) 15KHz 19KHz 38KHz (-3dB) Specification 3.3KΩ 3.3kΩ MAX.2.0dB MIN.30 dB MIN.50 dB 16.4kHz (TYP.) MAX.1.0dB ± 1.0 dB Within 1KHz 50Hz∼14KHz Frequency Response (Attenuation 0dB at 1KHz) Please refer to the sales offices on our website for a representative near you w ww.sumida.com 2/2