WF866B0315CH

SAW Device SAW Filter for RKE n Features l This is a low-loss filter. l Excellent out-of-band characteristics For Industrial Use Pb Free n Specifications Model Item Nominal frequency : f0 (MHz) Minimal insertion loss (IL)(dB) 3-dB passband width (kHz) Amplitude deviation (dB) 314.84 to 315.16MHz 10 to 288MHz 288 to 307MHz 307 to 311MHz 311 to 314MHz Guaranteed attenuation (dB) 316 to 321MHz 321 to 326MHz 326 to 338MHz 338 to 600MHz 600 to 1000MHz Operating temperature range (°C) Terminating impedance (Ω) min. – – – – 53 40 27 10 8 20 40 48 50 –40 WF866B0315CH typ. 315 3.5 600 1.3 58 50 35 15 15 30 50 54 55 – 510//–3.7pF max. – 5.0 – 2.5 – – – – – – – – – +105 n Dimensions mm 3.8±0.2 7 6 5 PAD NO. Others 3.8±0.2 1 5 CONNECTION GND INPUT OUTPUT n Characteristics CH1 A/R LOG MAG REF –2.840 dB 10.000 dB/ 8 4 1 2 3 1.3max Reference land pattern 4.2 1 2 3 6–0.9 1.9 1.9 1.4 CH1 CENTER(MHz) 315.0000 SPAN(MHz) 50.000 1.4 1.8 0.8 n Matching Circuit 4.2 62nH IN 1 5 62nH OUT SAW 50Ω 11pF 234678 11pF 50Ω 8 4 0.1 7 6 1.27 5 0.8 0.8 0.8 1.25 8–0.6 1.4 1.25 sa09_071102_WF866B0315CH_e1