WF872G0140CB

SAW Device SAW Filter for Radio Communication n Features l A low-loss filter. l Excellent guaranteed attenuation. l Surface-mount type. For Industrial Use Pb Free n Specifications Model Item Nominal frequency : f0 (MHz) Insertion loss at f0 1-dB passband width (MHz) Passband width (rel to f0) 3-dB passband width (MHz) 40-dB passband width (In Band)(MHz) Amplitude deviation (f0±6.4MHz)(dB) Group delay time ripple (f0±6.4MHz)(ns) Operating temperature range (°C) Terminating impedance (Ω) min. − − 15 16 − − − −40 WF872G0140CB typ. 140 10.4 16.7 17.6 21.4 0.6 78 − 50 (with matching) max. − 13 − − 22.0 0.9 140 +85 n Dimensions 13.3 10 11 12 1 2 3 4 9 8 7 PAD NO. 6 6.5 5 Others 12 6 CONNECTION GND INPUT OUTPUT n Characteristics mm [In-band characteristics] CH1 A/R LOG MAG REF –10.440 dB 1.000 dB/ 3×2.54 Reference land pattern 5.05 1 CH1 3.3 1.8 CENTER(MHz) 140.0000 SPAN(MHz) 50.000 1 12 2 3 4 5 0.1 1.8 12−0.8 11 10 9 8 7 6 10.1 2.54 6.5 [Out-of-band characteristics] 0.10 1.27 13.3 CH1 A/R LOG MAG REF –10.440dB 10.000 dB/ 12−1.40 n Matching Circuit IN L1 12 6 L2 OUT SAW 50Ω C1 C2 50Ω CH1 CENTER(MHz) 140.0000 SPAN(MHz) 100.000 sa17_071102_WF872G0140CB_e1