Crystal Filter 4 Pole MCF (Surface-mount Type) ■ Features This four-pole crystal filter with a built-in coupling capacitor also supports surface mounting. ● Supports surface mounting. (Packed with embossed tape) ● Built-in coupling capacitor. ● Excellent shock-resistance. ● Frequency range Fundamental: 30 to 90 MHz ■ Specifications Model 45SC7.5BG 45SC15BE 45SC20BB Number of poles 45SC30BD 70SC20BA 90SC15B 4 Nominal frequency 45 MHz 70.05 MHz 90 MHz 3 dB Passband width Min. ±3.75 kHz Min. ±7.5 kHz Min. ±10 kHz Min. ±15 kHz Min. ±10 kHz Min. ±7.5 kHz Stop bandwidth Max. ±12.5 kHz at 25 dB Max. ±25 kHz at 35 dB Max. ±25 kHz at 25 dB Max. ±60 kHz at 40 dB Max. ±25 kHz at 20 dB Max. ±25 kHz at 25 dB Ripple Insertion loss (insertion attenuation) Guaranteed attenuation Spurious characteristics Max. 1 dB Max. 2 dB Max. 1 dB Max. 1 dB Max. 1 dB Max. 1 dB Max. 5 dB Max. 5 dB Max. 3 dB Max. 4 dB Max. 4.5 dB Max. 8 dB Min. 80 dB at –910 kHz Min. 50 dB Within ±1 MHz Min. 80 dB at –910 kHz Min. 50 dB Within ±1 MHz Min. 80 dB at –910 kHz Min. 25 dB Within ±1 MHz Min. 70 dB at –910 kHz Min. 30 dB Within ±1 MHz Min. 70 dB at –910 kHz Min. 35 dB Within ±1 MHz Min. 75 dB at –910 kHz Min. 40 dB Within ±1 MHz Terminating impedance 350 Ω // 6 pF 650 Ω // 2 pF 800 Ω // 1.5 pF 1000 Ω // 1 pF 300 Ω // 2 pF 310 Ω // 2 pF Operating temperature range –20 to +70 °C –20 to +70 °C –30 to +70 °C –20 to +70 °C –20 to +70 °C –20 to +70 °C 45SC7.5BG-45MMN15-368 45SC15BE-45MMN15-319 45SC20BB-45MMN15-372 70SC20BA-70.05MMN15-317 90SC15B-90MMN15-320 Package type NM1170BA Ordering code 45SC30BD-45MMN15-371 Caution: Solder only the top surface of the filter before using it. ■ Dimensions mm NM1170BA : Type: with a built-in coupling capacitor 11.4 4 1 3 2 Land pattern (Typical) 1.3 1.8 1.8 6 3.5 5.8 1.3 2.35 7.0 5 2 1 3 6 4 5 9.0 1.2 Terminal land connections GND 1 GND 2 OUTPUT 3 GND 4 GND 5 INPUT 6 10.2 Tolerance ±0.3 cf15_111003_NM1170BA_e