Filter Coils < SMD Type: CH Series> Sample submission is forbidden Type: CH56W ◆ Product Description ・11.5×6.0mm Max.(L×W), 6.3mm Max. Height. ・Operating frequency:400~ 800MHz ・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 single coils combined. ・Super high frequency Helical Filters. ・Ideally used in mobile communication equipment(Cellular,cordless telephone,paging devices) ・RoHS Compliance ◆ Dimensions (mm) 4 8 3 3.2 ±0.15 7 3.2±0.15 8-0.6 5 5.65±0.2 6 3.1 4- 0.8 7.0± 0.2 6.3 Max. 2.2 11.5 Max. 6.0 Max. 0.6 2 0 −0 ＋0.2 1 ＊ Dimension does not include solder used on coil. ＊ Pin pitch should be measured at the root of terminal. ＊ Dimensions without tolerance are approx. ◆ Test circuit In ② ③ ④ ⑤ ① ⑧ ⑦ ⑥ Out Please refer to the sales offices on our website for a representative near you www.sumida.com 1/2 Filter Coils < SMD Type: CH Series> Type: CH56W ◆ Specification (Part No: 4568-T017) Item Center frequency Input impedance Output impedance Attenuation Band width Insertion loss Ripple in passband Specification (Rin) (Rout) 390MHz 470MHz (-3dB) 429MHz 429MHz 50O 50O 19dB Min. 14dB Min. 14MHz Min. 7.5dB Max. 1.5dB Max. Frequency Response (Attenuation 0dB at 429MHz ) Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2