SAW Device WFC68K0433CJ For Automotive ■ Features SAW Filter for Remote Keyless Entry System(433MHz). ● Compact and thin. (Typ. 3.0×3.0×1.05mm) ● Support a wide operating temperature range(-40°C to + 95°C). ● Excellent shock resistance. ● A filter with low insertion loss. ● Meets the requirements for re-flow profiling using lead-free solder. ● Conforms to AEC-Q200. ■ Specifications Model WFC68K0433CJ Item Min. Typ. Nominal Frequency (MHz) − 433.92 − Minimum Insertion Attenuation (dB) − 2.4 2.9 Pass Band Ripple (dB) (433.75 to 434.09MHz) Guaranteed Attenuation (dB) (Relative Minimum Insertion Loss) Max. − 0.8 3.0 10 to 380MHz 55 60 − 380 to 414MHz 50 55 − 414 to 427MHz 46 52 − 427 to 431.52MHz 24 32 − 431.52 to 432.9Hz 15 23 − 432.9 to 433.1MHz 13 18 − 435.1 to 444.5MHz 17 22 − 444.5 to 450MHz 40 48 − 450 to 810MHz 47 52 − 810 to 1500MHz 60 65 − 1500 to 2500MHz 50 60 − Operating Temperature Range (°C) –40 to +95 Terminating Impedance (Ω) 50 (with matching) When ordering or inquiring for SAW devices, please let us know the model. Please contact NDK sales with your enquiries. Please feel free to contact us with questions about other specifications. -6- 1604A_WFC68K0433CJ_e SAW Device WFC68K0433CJ For Automotive ■ Characteristics ■ Dimensions mm CH1 A/R LOG MAG REF -2.350 dB Terminal land connections 3.0±0.1 5.000 dB/ INPUT OUTPUT GND 1.05±0.2 3.0±0.1 #1 #4 Others [In-band characteristics] CH1 CENTER(MHz) 433.9200 CH1 A/R LOG MAG REF -2.350 dB Land pattern (Typical) 2–1.6±0.15 6–0.6±0.15 #6 #5 #4 [Out-of-band characteristics] 10.000 dB/ 1.15 12–(0.10) 2.0 4.0 1.5 #3 5–0.85±0.15 #2 1.5±0.15 #1 1.15 SPAN(MHz) 5.000 0.8 0.7 0.8 CH1 CENTER(MHz) 433.9200 SPAN(MHz) 100.000 ■ Matching Circuit Input 51nH 1 4 56nH Output SAW 50Ω 7pF 5pF 50Ω Others -7- 1604A_WFC68K0433CJ_e