SAW Device WFC58B0169CK For Short-range Wireless ■ Features ● SAW Filter for Smart Meter in Europe. ● A filter with excellent temperature stability. ● Compact. (5.2×4.8mm) ■ Specifications Model WFC58B0169CK Item min. typ. Nominal frequency : f0 (MHz) − 169.4375 − Minimum insertion loss (dB) − 4.2 6.0 −37.5 − +37.5 164.4375 to 168.5375 MHz 50 60 − 170.3375 to 170.3575 MHz 50 55 − 170.3575 to 173.4375 MHz 45 53 − 173.4375 to 174.4375 MHz 50 60 − 3dB passband width (kHz) Guaranteed attenuation (dB) (from the minimum insertion loss) Operating temperature range (°C) max. −20 to +70 Terminating impedance (Ω) 50 (with matching) ■ Characteristics ■ Dimensions mm [In-band characteristics] Terminal land connections 4.80±0.2 Others 1 5 CH1 A/R LOG MAG REF -4.200 dB 2.000 dB/ GND INPUT OUTPUT 1.30±0.2 5.20±0.2 8-(0.8) 3 4 8 7 1.5 6 2.6 1 5 CH1 CENTER(MHz) 169.4375 0.27 1 1.8 SPAN(MHz) 0.500 1 1.4 0.7 1 0.7 1.4 2 7-(1.0) 1 0.27 2.6±0.2 16-(0.1) Land pattern (Typical) 2-2.54±0.2 2.4 [Out-of-band characteristics] CH1 A/R LOG MAG REF -4.200 dB 10.000 dB/ 1.4 ■ Matching Circuit 240nH 50Ω 0.5pF #1 #5 SAW 240nH CH1 CENTER(MHz) 169.4375 0.5pF SPAN(MHz) 10.000 50Ω - 54 - 12A_1120_WFC58B0169CK_e