Crystal Filter 4 Pole MCF (Surface-mount Type) n Features This four-pole crystal filter with a built-in coupling capacitor also supports surface mounting. l Supports surface mounting. (Packed with embossed tape) l Built-in coupling capacitor. l Excellent shock-resistance. l Frequency range Fundamental: 30 to 100 MHz Pb Free n Specifications 45SC7.5BG 45SC15BE 45SC20BB 45SC30BD 70SC20BA 90SC15B 4 4 4 4 4 4 45MHz 45MHz 45MHz 45MHz 70.05MHz 90MHz ±3.75kHz min. ±7.5kHz min. ±10kHz min. ±15kHz min. ±10kHz min. ±7.5kHz min. ±12.5 kHz max. ±25 kHz max. ±25 kHz max. ±60 kHz max. ±25 kHz max. ±25 kHz max. at 25 dB at 35 dB at 25 dB at 40 dB at 20 dB at 25 dB Ripple 1dB max. 2dB max. 1dB max. 1dB max. 1dB max. 1dB max. Insertion loss (insertion attenuation) 5dB max. 5dB max. 3dB max. 4dB max. 4.5dB max. 8dB max. Model Number of poles Nominal frequency 3dB Passband width Stop bandwidth 80 dB min. 80 dB min. 80 dB min. 70 dB min. 70 dB min. 75 dB min. at –910 kHz at –910 kHz at –910 kHz at –910 kHz at –910 kHz at –910 kHz Spurious characteristics 50dB min. 50dB min. 25dB min. 30dB min. 35dB min. 40dB min. Terminating impedance 350Ω//6pF 650Ω//2pF 800Ω//1.5pF 1000Ω//1pF 300Ω//2pF 310Ω//2pF –20 to +70°C –20 to +70°C –30 to +70°C –20 to +70°C –20 to +70°C –20 to +70°C NM1170BA NM1170BA NM1170BA NM1170BA NM1170BA NM1170BA 45SC7.5BG-45MMN15-368 45SC15BE-45MMN15-319 45SC20BB-45MMN15-372 45SC30BD-45MMN15-371 70SC20BA-70.05MMN15-317 90SC15B-90MMN15-320 Guaranteed attenuation Operating temperature range Package type Code for placing an order Caution: Solder only the top surface of the filter before using it. n Dimensions mm NM1170BA : Type: with a built-in coupling capacitor 3.5 1.2 11.4±0.3 Reference land pattern 1.8 1.3 1.8 7.0±0.3 1.3 3.5 5.8 2.35±0.3 2 1 3 6 4 5 9.0 PAD No 1 2 3 4 5 6 PAD CONNECTION GND GND OUTPUT GND GND INPUT 10.2 1.2 cf15_071102_NM1170BA_e1